Compound having silsesquioxane skeleton and its polymer

Abstract

The present invention relates to a compound represented by Formula (1) and a polymer obtained using the compound: wherein R 1 is phenyl which may have substituents, Q 1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms, and Q 2 is a group represented by Formula (2) wherein the code < represents a bonding point with silicon, l, m, n and p are independently 0, 1, 2 or 3, A 1 to A 4 are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene, Z 0 to Z 3 are independently a single bond, —CH═CR—, —C≡C—, —COO—, —OCO—, or alkylene having 1 to 20 carbon atoms, and Z 4 is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene having 1 to 20 carbon atoms. And Y 1 in Formula (1) is the group defined in Claim 1.

1 . a compound represented by formula (1):  
       
         
           
           
               
               
           
         
       
       wherein R 1  is phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen; Q 1  is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; and Q 2  is a group represented by Formula (2):  
       
         
           
           
               
               
           
         
       
       wherein the code < represents a bonding point with silicon; l, m, n and p are independently 0, 1, 2 or 3; A 1 , A 2 , A 3  and A 4  are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in these rings, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional —CH═ may be replaced by —N═; optional hydrogen in all rings may be replaced by halogen, —CN, —NO 2  or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — may be replaced by —O—, —S—, —NH—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —OSiR 2   2 O—, —SiR 2   2 OSiR 2   2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2  is halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which optional hydrogen may be replaced by halogen, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; Z 4  is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1  is halogen, —OM 1 -, —SM 1 -, —CHO, —COOR 3 —, —CSOR 3 —, —CSSR 3 —, —NHR 4 —, —COX 1 —, —CSX 1 —, —OCOX 1 —, —OCOOR 3 —, —N═C═O, —CN, —C≡CH, —CR 5 ═CH 2 , —CR 5 ═CR 6 COOR 3 , —CH═CR 5 CR 6 ═CH 2 , —SO 2 X 1 , —SiR 2   2 X 1 , —SiR 2   2 OR 3 , —SiR 2   2 OCOR 7 , —SiR 2   2 OC(CH 3 )═CH 2 , —SiR 2   2 ON═CR 7 R 8 , —SiR 2   2 NR 7 R 8 , or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in these groups related to Y 1 , M 1  is hydrogen or alkaline metal; R 3  is hydrogen, alkaline metal, or alkyl in which the number of carbon atoms is 1 to 10, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen; R 4  is hydrogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, alkyl in which the number of carbon atoms is 1 to 10, optional —CH 2 — which is not adjacent to each other may be replaced by —O— and optional hydrogen may be replaced by halogen, or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; X 1  is halogen; R 5 , R 6  and X 2  are independently hydrogen, halogen, —CN, or alkyl in which the number of carbon atoms is 1 to 10 optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen; R 7  and R 8  are independently alkyl having 1 to 10 carbon atoms; G 1  is a trivalent organic group; R 9  is hydrogen or alkyl having 1 to 5 carbon atoms; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5.  
     
     
         2 . The compound according to  claim 1 , wherein in Formula (1), R 1  is phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen; Q 1  is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; and Q 2  is a group represented by Formula (2);  
       in Formula (2), the code < represents a bonding point with silicon; l, m, n and p are independently 0, 1, 2 or 3; A 1 , A 2 , A 3  and A 4  are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in these rings, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional —CH═ may be replaced by —N═; in all rings, optional hydrogen may be replaced by halogen, —CN, —NO 2 , or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — may be replaced by —O—, —S—, —NH—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —OSiR 2   2 O—, —SiR 2   2 OSiR 2   2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2  is halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; Z 4  is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1  is halogen, —OM 1 -, —SM 1 -, —CHO, —COOR 3 —, —CSOR 3 —, —CSSR 3 —, —NHR 4 —, —COX 1 —, —CSX 1 —, —OCOX 1 —, —OCOOR 3 —, —N═C═O, —CN, —C≡CH, —CR 5 ═CH 2 , —CR 5 ═CR 6 COOR 3 , —CH═CR 5 CR 6 ═CH 2 , —S 0   2 X 1 , or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the above groups related to Y 1 , M1 is hydrogen or alkaline metal; R 3  is hydrogen, alkaline metal, or alkyl in which the number of carbon atoms is 1 to 10, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen; R 4  is hydrogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, alkyl in which the number of carbon atoms is 1 to 10, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen, or phenyl in which optional hydrogen may be replaced by halogen, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; X 1  is halogen; R 5 , R 6  and X 2  are independently hydrogen, halogen, —CN, or alkyl in which the number of carbon atoms is 1 to 10, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by halogen; G 1  is a trivalent organic group; R 9  is hydrogen or alkyl having 1 to 5 carbon atoms; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5.  
     
     
         3 . The compound according to  claim 1 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine.  
     
     
         4 . The compound according to  claim 1 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine; Q 1  is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10, optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine.  
     
     
         5 . The compound according to  claim 1 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine; Q 1  is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; A 1 , A 2 , A 3  and A 4  are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in the above rings, optional hydrogen may be replaced by fluorine, chlorine, or alkyl having 1 to 5 carbon atoms; in the above alkyl having 1 to 5 carbon atoms, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO— or alkylene which has a carbon number of 1 to 20 and in which optional —CH 2 — may be replaced by —O—, —NH—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —SiR 2   2 OSiR 2   2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2  is halogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; and Z 4  is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—.  
     
     
         6 . The compound according to  claim 1 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine; Q 1  is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; A 1 , A 2 , A 3  and A 4  are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in the above rings, optional hydrogen may be replaced by fluorine, chlorine, or alkyl having 1 to 5 carbon atoms; in the above alkyl having 1 to 5 carbon atoms, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —NH—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —SiR 2   2 OSiR 2   2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2  is halogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 4  is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1  is chlorine, bromine, —OM 1 -, —SM 1 -, —CHO, —COOR 3 —, —NHR 4 —, —COX 1 —, —OCOX 1 —, —N═C═O, —CN, —C≡CH, —CR 5 ═CH 2 , —CR 5 ═CR 6 COOR 3 , —CH═CR 5 CR 6 ═CH 2 , —SO 2 X 1 , 2,3-epoxycyclohexyl, 3,4-epoxycyclohexyl, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the above groups related to Y 1 , M 1  is hydrogen or alkaline metal; R 3  is hydrogen, alkaline metal, or alkyl having 1 to 5 carbon atoms; R 4  is hydrogen, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 5, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; X 1  is chlorine or bromine; R 5 , R 6  and X 2  are independently hydrogen, fluorine, chlorine, or alkyl in which the number of carbon atoms is 1 to 5, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; G 1  is a trivalent organic group; R 9  is hydrogen, methyl or ethyl; and q is 1 or 0.  
     
     
         7 . The compound according to  claim 6 , wherein R 1  is phenyl.  
     
     
         8 . The compound according to  claim 6 , wherein R 1  is phenyl; Q 1  is cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 5, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine.  
     
     
         9 . The compound according to  claim 6 , wherein R 1  is phenyl; Q 1  is cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 5 and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent for 1,4-phenylene, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; and Z 0 , Z 1 , Z 2 , Z 3  and Z 4  are independently a single bond, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—.  
     
     
         10 . The compound according to  claim 6 , wherein R 1  is phenyl; Q 1  is cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 5, and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional hydrogen may be replaced by fluorine; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent for 1,4-phenylene, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 0 , Z 1 , Z 2 , Z 3  and Z 4  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20, and optional —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1  is —OM 1 -, —CHO, —COOR 3 —, —NHR 4 —, —COX 1 —, —OCOX 1 —, —N═C═O, —CR 5 ═CH 2 , 2,3-epoxycyclohexyl, 3,4-epoxycyclohexyl, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the above groups related to Y 1 , M 1  is hydrogen, sodium or potassium; R 3  is hydrogen, sodium, potassium, or alkyl in which the number of carbon atoms is 1 to 5, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; R 4  is hydrogen, phenyl, or alkyl in which the number of carbon atoms is 1 to 5, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; X 1  is chlorine or bromine; R 5  and X 2  are independently hydrogen, fluorine, chlorine, or alkyl in which the number of carbon atoms is 1 to 5, optional —CH 2 — which is not adjacent to each other may be replaced by —O—, and optional hydrogen may be replaced by fluorine; G 1  is a trivalent organic group; R 9  is hydrogen, methyl or ethyl; and q is 1 or 0.  
     
     
         11 . The compound according to  claim 10 , wherein Q 1  is alkyl having 1 to 5 carbon atoms, or phenyl.  
     
     
         12 . The compound according to  claim 10 , wherein Q 1  is alkyl having 1 to 5 carbon atoms or phenyl; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene in which optional hydrogen may be replaced by fluorine or methyl; Z 0 , Z 1 , Z 2 , Z 3  and Z 4  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—.  
     
     
         13 . The compound according to  claim 10 , wherein Q 1  is alkyl having 1 to 5 carbon atoms or phenyl; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene in which optional hydrogen may be replaced by fluorine or methyl; Z 0 , Z 1 , Z 2 , Z 3  and Z 4  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—; and Y 1  is —OM 1 -, —COOR 3 —, —NHR 4 —, —COX 1 —, —N═C═O, —CR 5 ═CH 2 , 2,3-epoxycyclohexyl, 3,4-epoxycyclohexyl, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the above groups related to Y 1 , M 1  is hydrogen, sodium or potassium; R 3  is hydrogen, sodium, potassium, methyl or ethyl; R 4  is hydrogen, methyl or phenyl; X 1  is chlorine or bromine; R 5  and X 2  are independently hydrogen, fluorine or alkyl in which the number of carbon atoms is 1 to 5 and optional hydrogen may be replaced by fluorine; G 1  is a trivalent organic group; R 9  is hydrogen, methyl or ethyl; and q is 1 or 0.  
     
     
         14 . The compound according to  claim 13 , wherein Q 1  is methyl or phenyl.  
     
     
         15 . The compound according to  claim 13 , wherein Q 1  is methyl or phenyl; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene; and Z 0 , Z 1 , Z 2 , Z 3  and Z 4  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—.  
     
     
         16 . The compound according to  claim 13 , wherein Q 1  is methyl or phenyl; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene; Z 0 , Z 1 , Z 2 , Z 3  and Z 4  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—; and Y 1  is —OM 1 -, —COOR 3 —, —NHR 4 —, —COCl—, 2,3-epoxycyclohexyl, 3,4-epoxycyclohexyl, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the above groups related to Y 1 , M 1  is hydrogen, sodium or potassium; R 3  is hydrogen, sodium, potassium, methyl or ethyl; R 4  is hydrogen or methyl; X 2  is hydrogen, fluorine or methyl; G 1  is a trivalent organic group; R 9  is hydrogen, methyl or ethyl; and q is 1 or 0.  
     
     
         17 . The compound according to  claim 16 , wherein Y 1  is —OH, —COOR 3 , —NH 2 , —COCl, 2,3-epoxycyclohexyl, 3,4-epoxycyclohexyl, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the above groups related to Y 1 , R 3  is hydrogen, methyl or ethyl; G 1  is a trivalent organic group; R 9  is hydrogen, methyl or ethyl; and q is 1 or 0.  
     
     
         18 . A polymer having a structural unit represented by Formula (3):  
       
         
           
           
               
               
           
         
       
       wherein R 1  is phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by halogen; Q 1  is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; and Q 3  is a group represented by Formula (4):  
       
         
           
           
               
               
           
         
       
       wherein a code < represents a bonding point with silicon; l, m, n and p are independently 0, 1, 2 or 3; A 1 , A 2 , A 3  and A 4  are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in these rings, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional —CH═ may be replaced by —N═; optional hydrogen in all rings may be replaced by halogen, —CN, —NO 2  or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 — may be replaced by —O—, —S—, —NH—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —OSiR 2   2 O—, —SiR 2   2 OSiR 2   2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2  is halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —CH═CH— or —C≡C—, and optional hydrogen may be replaced by halogen; Z 5  is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO— or a group represented by —W 1 -T 1 -; W 1  is a single bond or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and T 1  is —O—, —S—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —OSiR 2   2 O—, —SiR 2   2 OSiR 2   2 —, —CO—, —COO—, —OCO—, —CSO—, —OCS—, —CONR 10 —, —NR 10 CO—, —CONR 10 O—, —ONR 10 CO—, —OCONR 10 —, —NR 10 CONR 10 —, —NR 10 COO—, —OCOO—, —CH(OH)CH 2 —, —CH 2 CH(OH)—, —CH═CH—, —CH 2 CR 5 ═CR 6 CH 2 —, —C≡C—, —SO 2 —, —SO 2 O—, —OSO 2 —, —SO 2 S—, —SSO 2 —, —SO 2 NR 7 —, —NR 10 SO 2 —, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in the groups related to T 1 , R 2  is the same as described above; R 10  is hydrogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, alkyl in which the number of carbon atoms is 1 to 10, and optional hydrogen may be replaced by halogen, or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —CH═CH—or —C≡C—, and optional hydrogen may be replaced by halogen; R 5 , R 6  and X 2  are independently hydrogen, halogen, —CN or alkyl in which the number of carbon atoms is 1 to 10, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by halogen; G 1  is a trivalent organic group; G 2  is a part of tricarboxylic acid-derivative's residue or a part of tetracarboxylic acid-derivative's residue; R 9  is hydrogen or alkyl having 1 to 5 carbon atoms; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5.  
     
     
         19 . The polymer according to  claim 18 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine.  
     
     
         20 . The polymer according to  claim 18 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine; Q 1  is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10 and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; and in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine.  
     
     
         21 . The polymer according to  claim 18 , wherein R 1  is phenyl in which optional hydrogen may be replaced by fluorine or chlorine; Q 1  is cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10 and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine; A 1 , A 2 , A 3  and A 4  are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene or a condensed ring group having 6 to 10 carbon atoms which is a divalent group; in these rings, optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —NH—, —SiR 2   2 —, —SiR 2   2 O—, —OSiR 2   2 —, —SiR 2   2 OSiR 2   2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2  is halogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 10 and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 5  is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO— or a group represented by —W 1 -T 1 ; W 1  is a single bond or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and T 1  is —O—, —COO—, —OCO—, —CONR 10 —, —NR 10 CO—, —OCOO—, —CH(OH)CH 2 —, —CH 2 CH(OH)—, —CH═CH—, —C≡C—, —SO 2 —, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in these groups related to T 1 , R 10  is hydrogen, cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 5 and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine; X 2  is hydrogen, fluorine, chlorine or alkyl in which the number of carbon atoms is 1 to 5, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O— and optional hydrogen may be replaced by fluorine; G 1  is a trivalent organic group; G 2  is a part of tricarboxylic acid-derivative's residue or a part of tetracarboxylic acid-derivative's residue; R 9  is hydrogen, methyl or ethyl; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5.  
     
     
         22 . The polymer according to  claim 21 , wherein R 1  is phenyl.  
     
     
         23 . The polymer according to  claim 21 , wherein R 1  is phenyl; Q 1  is cyclopentyl, cyclohexyl, alkyl in which the number of carbon atoms is 1 to 5 and optional hydrogen may be replaced by fluorine, or phenyl in which optional hydrogen may be replaced by fluorine or alkyl having 1 to 5 carbon atoms; and in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine.  
     
     
         24 . The polymer according to  claim 21 , wherein R 1  is phenyl; Q 1  is cyclopentyl, cyclohexyl, alkyl having 1 to 5 carbon atoms, or phenyl in which optional hydrogen may be replaced by fluorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of phenyl, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene in which optional hydrogen may be replaced by fluorine, chlorine or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which is a substituent of 1,4-phenylene, optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, and optional hydrogen may be replaced by fluorine; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—; Z 5  is a single bond, —COO—, —OCO— or a group represented by —W 1 -T 1 ; W 1  is a single bond or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—; and T 1  is —O—, —COO—, —OCO—, —CONR 10 —, —NR 10 CO—, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in these groups related to T 1 , R 10  is hydrogen, alkyl having 1 to 5 carbon atoms, or phenyl; X 2  is hydrogen, fluorine or alkyl having 1 to 5 carbon atoms; G 1  is a trivalent organic group; G 2  is a part of tricarboxylic acid-derivative's residue or a part of tetracarboxylic acid-derivative's residue; R 9  is hydrogen, methyl or ethyl; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5.  
     
     
         25 . The polymer according to  claim 24 , wherein Q 1  is methyl or phenyl.  
     
     
         26 . The polymer according to  claim 24 , wherein Q 1  is methyl or phenyl; A 1 , A 2 , A 3  and A 4  are independently a single bond or 1,4-phenylene; Z 0 , Z 1 , Z 2  and Z 3  are independently a single bond, —COO—, —OCO— or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—; Z 5  is a single bond, —COO—, —OCO— or a group represented by —W 1 -T 1 ; W 1  is a single bond or alkylene in which the number of carbon atoms is 1 to 20 and optional —CH 2 —, which is not adjacent to each other, may be replaced by —O—, —COO— or —OCO—; and T 1  is —O—, —COO—, —OCO—, —CONR 10 —, —NR 10 CO—, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
       in these groups related to T 1 , R 10  is hydrogen or methyl; X 2  is hydrogen or methyl; G 1  is a trivalent organic group; G 2  is a part of tricarboxylic acid-derivative's residue or a part of tetracarboxylic acid-derivative's residue; R 9  is hydrogen, methyl or ethyl; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5.  
     
     
         27 . The polymer according to  claim 26 , wherein T 1  is —O—, —COO—, —OCO—, —CONR 10 —, —NR 10 CO—, or any one of groups shown below:  
       
         
           
           
               
               
           
         
       
     
     
         28 . A composition comprising the compound as described in  claim 1 .  
     
     
         29 . A polymer obtained by using at least one of the compounds as described in  claim 1 .  
     
     
         30 . A polymer obtained by using only the compound as described in  claim 1 .  
     
     
         31 . A polymer obtained by using at least one of the compounds as described in  claim 1  and at least one of compounds other than the compound as described in  claim 1 .  
     
     
         32 . The polymer according to  claim 29 , wherein the polymer is polyimide, polyamic acid, polyester, an epoxy resin, polyacrylate or polymethcylate.  
     
     
         33 . A composition comprising at least one of the polymers as described in  claim 29 .  
     
     
         34 . A coating agent comprising the polymer as described in  claim 29 .  
     
     
         35 . A varnish composition comprising the polymer as described in  claim 29 .  
     
     
         36 . A thin film formed by using the varnish composition according to  claim 35 .  
     
     
         37 . A multilayer thin film formed by using the varnish composition as described in  claim 35  and at least one of compositions of other polymers.  
     
     
         38 . A structural matter, wherein a part or the whole of a structural unit thereof is comprised with at least one of the polymer as described in  claim 29 .  
     
     
         39 . A plastic substrate having the thin film as described in  claim 36 .  
     
     
         40 . An optical material having the thin film as described in  claim 36.