US2015274756A1PendingUtilityA1

4-amino-6-(heterocyclic)picolinates and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their use as herbicides

Assignee: DOW AGROSCIENCES LLCPriority: Mar 15, 2013Filed: Jun 12, 2015Published: Oct 1, 2015
Est. expiryMar 15, 2033(~6.7 yrs left)· nominal 20-yr term from priority
C07D 403/04C07D 413/04A01N 43/52A01N 43/78A01N 43/54A01N 55/00A01N 43/80A01N 43/76C07D 417/04C07D 409/04C07D 401/04A01N 43/647A01N 43/40A01N 43/56C07D 405/04C07F 7/0803A01N 43/12C07D 213/79C07D 213/803
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Claims

Abstract

4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.

Claims

exact text as granted — not AI-modified
1 - 32 . (canceled) 
     
     
         33 . A compound of the Formula (I): 
       
         
           
           
               
               
           
         
       
       wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio; 
 R 1  is OR 1″  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl; 
 R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH; 
 R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring; 
 A is one of groups A1 to A36 
 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN; 
         R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ; 
         R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl; 
         R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl; 
         or an N-oxide or agriculturally acceptable salt thereof, 
       
       with the proviso that the compound is not a compound of Formula (I): 
       
         
           
           
               
               
           
         
       
       wherein
 X is N, CH, CF, CCl, or CBr; 
 R 1  is OR 1′ , wherein R 1′  is hydrogen or C 1 -C 4  alkyl; 
 R 2  is chlorine; 
 R 3  and R 4  are hydrogen; 
 A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, or A20; 
 R 5  is hydrogen, halogen, OH, amino, CN, C 1 -C 3  alkyl, C 1 -C 3  alkoxy, C 1 -C 3  alkylamino, or cyclopropyl; 
 R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, OH, NH 2 , CN, C 1 -C 3  alkyl, C 1 -C 3  alkoxy, cyclopropyl, or vinyl; 
 R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, cyclopropyl, or C 1 -C 3  alkylamino, or phenyl; and 
 R 8  is hydrogen, C 1 -C 3  alkyl, phenyl, or C 1 -C 3  alkylcarbonyl; 
 
       or an N-oxide or agriculturally acceptable salt thereof. 
     
     
         34 . The compound of  claim 33 , wherein
 X is CY, wherein Y is C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, or A36;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         35 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is C 5 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, or A36;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         36 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ “, wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R” and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is F, Br, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, or A36;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl,   cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         37 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, or A36;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         38 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, or A36;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         39 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R′ 7  is hydrogen, F, or Cl; le is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, or A20;   R 5  is C 4  alkyl, C 1 -C 4  haloalkyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, C 4  alkylamino, or C 2 -C 4  haloalkylamino;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         40 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, or A20;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently C 4  alkyl, C 1 -C 4  haloalkyl, halocyclopropyl, C 3 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         41 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1″  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, or A18;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently C 4  alkyl, C 1 -C 4  haloalkyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  haloalkoxy, C 1 -C 3  haloalkylthio, amino, C 4  alkylamino, or C 2 -C 4  haloalkylamino;   R 8  is hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, or phenyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         42 . The compound of  claim 33 , wherein
 X is N or CY, wherein Y is hydrogen, halogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkoxy, C 1 -C 3  alkylthio, or C 1 -C 3  haloalkylthio;   R 1  is OR 1′  or NR 1″ R 1′″ , wherein R 1′  is hydrogen, C 1 -C 8  alkyl, or C 7 -C 10  arylalkyl, and R 1″  and R 1′″  are independently hydrogen, C 1 -C 12  alkyl, C 3 -C 12  alkenyl, or C 3 -C 12  alkynyl;   R 2  is halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 4  alkoxy, C 1 -C 4  haloalkoxy, C 1 -C 4  alkylthio, C 1 -C 4  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, cyano, or a group of the formula —CR 17 ═CR 18 —SiR 19 R 20 R 21 , wherein R 17  is hydrogen, F, or Cl; R 18  is hydrogen, F, Cl, C 1 -C 4  alkyl, or C 1 -C 4  haloalkyl; and R 19 , R 20 , and R 21  are independently C 1 -C 10  alkyl, C 3 -C 6  cycloalkyl, phenyl, substituted phenyl, C 1 -C 10  alkoxy, or OH;   R 3  and R 4  are independently hydrogen, C 1 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  alkylcarbonyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, C 1 -C 6  trialkylsilyl, C 1 -C 6  dialkylphosphonyl, or R 3  and R 4  taken together with N is a 5- or 6-membered saturated ring, or R 3  and R 4  taken together represent ═CR 3′ (R 4′ ), wherein R 3′  and R 4′  are independently hydrogen, C 1 -C 6  alkyl, C 3 -C 6  alkenyl, C 3 -C 6  alkynyl, C 1 -C 6  alkoxy or C 1 -C 6  alkylamino, or, R 3′  and R 4′  taken together with ═C represent a 5- or 6-membered saturated ring;   A is A3, A6, A11, A12, A15, A18, A19, or A20;   R 5  is hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, OH, or CN;   R 6 , R 6′ , and R 6″  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino or C 2 -C 4  haloalkylamino, OH, CN, or NO 2 ;   R 7  and R 7′  are independently hydrogen, halogen, C 1 -C 4  alkyl, C 1 -C 4  haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 4  alkenyl, C 2 -C 4  haloalkenyl, C 2 -C 4  alkynyl, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, C 1 -C 3  alkylthio, C 1 -C 3  haloalkylthio, amino, C 1 -C 4  alkylamino, C 2 -C 4  haloalkylamino, or phenyl;   R 8  is C 3 -C 6  alkyl, C 1 -C 6  haloalkyl, C 3 -C 6  alkenyl, C 3 -C 6  haloalkenyl, C 3 -C 6  alkynyl, formyl, C 1 -C 3  haloalkylcarbonyl, C 1 -C 6  alkoxycarbonyl, C 1 -C 6  alkylcarbamyl, C 1 -C 6  alkylsulfonyl, or C 1 -C 6  trialkylsilyl;   or an N-oxide or agriculturally acceptable salt thereof.   
     
     
         43 . The compound of  claim 33 , wherein W is OR 1 . 
     
     
         44 . The compound of  claim 33 , wherein X is CF. 
     
     
         45 . The compound of  claim 33 , wherein A is A15 
     
     
         46 . The compound of any of  claim 33 , wherein R 5  is F. 
     
     
         47 . A herbicidal composition comprising a compound of  claim 33  and an agriculturally acceptable adjuvant or carrier. 
     
     
         48 . The composition of  claim 47 , further comprising an additional pesticide. 
     
     
         49 . The composition of  claim 47 , further comprising a herbicidal safener. 
     
     
         50 . A method of controlling undesirable vegetation which comprises applying to vegetation or an area adjacent the vegetation or applying to soil or water to prevent the emergence or growth of vegetation a compound of  claim 33 . 
     
     
         51 . A method of controlling undesirable vegetation which comprises applying to vegetation or an area adjacent the vegetation or applying to soil or water to prevent the emergence or growth of vegetation a herbicidal composition of  claim 47 .

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