Novel compound, material for organic electroluminescence device, and organic electroluminescence device

Abstract

A compound represented by the following formula (1):

1 . A compound represented by the following formula (1): 
       
         
           
           
               
               
           
         
         wherein in the formula (1), 
         any one of R 1  to R 14  is a single bond and is bonded with L 1  and the remainder of R 1  to R 14  are independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group including 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 10 carbon atoms, a substituted or unsubstituted alkylsilyl group including 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group including 8 to 30 ring carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 20 carbon atoms, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms, a substituted or unsubstituted aryloxy group including 6 to 20 ring carbon atoms, a substituted or unsubstituted heteroaryl group including 5 to 20 ring atoms, a substituted or unsubstituted alkylthio group including 1 to 10 carbon atoms, a substituted or unsubstituted arylthio group including 6 to 20 ring carbon atoms or a substituted or unsubstituted arylamino group including 6 to 30 ring carbon atoms; 
         L 1  is a single bond, a substituted or unsubstituted arylene group including 6 to 20 ring carbon atoms or a substituted or unsubstituted heteroarylene group including 5 to 20 ring atoms; and 
         Ar 1  and Ar 2  are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted heteroaryl group including 5 to 20 ring atoms. 
       
     
     
         2 . The compound according to  claim 1 , wherein R 3 , R 4 , R 7 , R 8 , R 11 , R 12 , R 13  or R 14  is a single bond that is bonded with L 1 . 
     
     
         3 . The compound according to  claim 1  that is represented by the following formula (2): 
       
         
           
           
               
               
           
         
         wherein in the formula (2), R 1  to R 13 , L 1 , Ar 1  and Ar 2  are as defined in the formula (1). 
       
     
     
         4 . The compound according to  claim 1 , wherein L 1  is a single bond, a substituted or unsubstituted phenylene group, a substituted or unsubstituted naphthylene group, a substituted or unsubstituted anthracenylene group, a substituted or unsubstituted phenanthrylene group, a substituted or unsubstituted biphenylene group, a substituted or unsubstituted terphenylene group, a substituted or unsubstituted chrysenylene group, a substituted or unsubstituted benzophenanthrylene group, a substituted or unsubstituted benzochrysenylene group, a substituted or unsubstituted fluorenylene group, a substituted or unsubstituted fluoranthenylene group, a substituted or unsubstituted dibenzofuranylene group or a substituted or unsubstituted dibenzothiophenylene group. 
     
     
         5 . The compound according to  claim 1 , that is represented by the following formula (3): 
       
         
           
           
               
               
           
         
         wherein in the formula (3), R 1  to R 13 , Ar 1  and Ar 2  are as defined in the formula (1); and 
         L 1  is a single bond or a group selected from the following groups; 
       
       
         
           
           
               
               
           
         
         wherein in the formula, * is a single bond that is bonded with a triazine ring and ** is a single bond that is bonded with a benzochrysene ring; 
         R is a substituent, and may be bonded to any position of the ring that is substituted by R; and 
         m is an integer of 0 to 4, and when m is 2 or more, adjacent Rs may be bonded with each other to form a ring. 
       
     
     
         6 . The compound according to  claim 1 , wherein Ar 1  and Ar 2  are independently a group selected from the following groups: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         wherein in the formulas (a) to (m), 
         * is a single bond that is bonded with a triazine ring; 
         R is a substituent and may be bonded to any position of the ring that is substituted by R; 
         k is an integer of 0 to 5, m is an integer of 0 to 4 and n is an integer of 0 to 3; 
         when k, m and n are 2 or more, adjacent Rs may be bonded with each other to form a ring; 
         R a  and R b  are independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group including 1 to 8 carbon atoms, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted heteroaryl group including 5 to 20 ring atoms; and 
         R c  is a substituted or unsubstituted alkyl group including 1 to 8 carbon atoms or a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms. 
       
     
     
         7 . The compound according to  claim 1 , wherein Ar 1  and Ar 2  are a substituted or unsubstituted phenyl group. 
     
     
         8 . The compound according to  claim 1 , wherein, when Ar 1  and Ar 2  are a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms, the substituent is selected from an alkyl group including 1 to 10 carbon atoms, an aryl group including 6 to 20 ring carbon atoms, a heteroaryl group including 5 to 20 ring atoms excluding a nitrogen-containing heterocyclic group and a cyano group. 
     
     
         9 . The compound according to  claim 8 , wherein the heteroaryl group including 5 to 20 ring atoms excluding the nitrogen-containing heterocyclic group is selected from an oxygen-containing heterocyclic group and a sulfur-containing heterocyclic group. 
     
     
         10 . The compound according to  claim 1 , wherein R 1  to R 13  are a hydrogen atom. 
     
     
         11 . A material for an organic electroluminescence device that comprises the compound according to  claim 1 . 
     
     
         12 . An electron-transporting material of an organic electroluminescence device that comprises the compound according to  claim 1 . 
     
     
         13 . An organic electroluminescence device in which one or more organic thin film layers comprising at least an emitting layer are disposed between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises the compound according to  claim 1  as a single or mixed component. 
     
     
         14 . The organic electroluminescence device according to  claim 13 , wherein an electron-transporting zone is provided between the emitting layer and the cathode, and the electron-transporting zone comprises one or more organic thin film layers and at least one layer of the organic thin film layers comprises the compound. 
     
     
         15 . The organic electroluminescence device according to  claim 14 , wherein, at least one layer of the organic thin film layers in the electron-transporting zone is an electron-transporting layer. 
     
     
         16 . The organic electroluminescence device according to  claim 14 , wherein the electron-transporting zone further comprises 8-quinolinolato lithium. 
     
     
         17 . The organic electroluminescence device according to  claim 14 , wherein the electron-transporting zone comprises an electron-injecting layer and at least two electron-transporting layers, wherein, among the at least two electron-transporting layers, the electron-transporting layer that is not adjacent to the electron-injecting layer comprises the compound. 
     
     
         18 . The organic electroluminescence device according to  claim 13 , wherein a hole-transporting layer is provided between the anode and the emitting layer. 
     
     
         19 . An electronic apparatus provided with the organic electroluminescence device according to  claim 13 .