Novel benzohydrazide derivatives as herbicides and desiccant compositions contaning them

Abstract

The compound of the formula wherein Y, X, Z, T and Q are defined in the specification.

1 . A compound represented by the formula (I) or its salt  
     
       
         
         
             
             
         
       
     
     wherein 
 X is hydrogen or halogen;  
 Y is represented by hydrogen, halogen, nitro, (C 1-4 )alkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkyl or (C 1-4 )haloalkoxy;  
 T is represented by N or CH;  
 Z is one of the following groups;  
                     
 A is oxygen, sulfur or NR 4 ;  
 R 1 , R 2 , R 3  and R 4  are independent of each other and may be selected from the group consisting of hydrogen, cyano, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkoxy, (C 1-6 )haloalkoxy, (C 1-6 )alkoxyalkyl, (C 2-6 )alkynyl, (C 2-6 )alkenyl, aryl, heteroaryl, aryloxy, heteroaryloxy, (C 3-6 )cycloalkyl, (C 3-6 )cyclocarbonyl, carboxy, (C 1-6 )alkylcarbonyl, arylcarbonyl, (C 1-3 )haloalkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxycarbonyl, (C 1-6 )haloalkoxycarbonyl, (CI I)alkylthiocarbonyl, (C 1-6 )haloalkylthiocarbonyl, (C 1-6 )alkoxythiocarbonyl, (C 1-6 )haloalkoxythiocarbonyl, (C 1-6 )alkylamino, arylsulfonylamino, arylamino, (C 1-6 )alkylthio, arylthio, (C 2-6 )alkenylthio, (C 2-6 )alkynylthio, (C 1-6 )alkylsulfinyl, (C 2-6 )alkenylsulfinyl, (C 2-6 )alkynylsulfinyl, (C 1-6 )alkylsulfonyl, (C 2-6 )alkenylsulfonyl, (C 2-6 )alkynylsulfonyl, arylsulfonyl, where any of these groups may be optionally substituted with one or one more of the following group consisting of halogen, hydroxy, mercapto, cyano, nitro, amino, caboxy, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, haloaryl, alkoxyaryl, aryoxy, arylthio, haloaryloxy, heteroaryl, heteroaryloxy and (C 3-7 )cycloalkyl;  
 When R 2  and R 3  are taken together with the atoms to which they are attached, they represent a three to seven membered substituted or unsubstituted ring optionally containing oxygen, carbonyl, S(O) n ** or nitrogen with following optional substitutions, one to three halogen, cyano, nitro, hydroxy, amino, carbonyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl or (C 3-7 )cycloalkyl;  
 R 5  and R 6  are independent of each other and may be selected from the group consisting of hydrogen, (C 1-6 )alkyl, (C 2-6 )alkenyl, (C 2-6 )alkynyl, (C 1-6 )alkoxycarbonyl and heteroarylcarbonyl;  
 where any of these groups may be optionally substituted with one or more of the following groups consisting of halogen, hydroxy, cyano, nitro, amino, caboxyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl and (C 3-7 )cycloalkyl;  
 When R 5  and R& are taken together with the atoms to which they are attached, they represent a three to seven membered substituted or unsubstituted ring optionally containing oxygen, carbonyl, S(O) n ** or nitrogen with following optional substitutions, one to three halogen, cyano, nitro, hydroxy, amino, carbonyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl or (C 3-7 )cycloalkyl;  
 R 7  may be selected from the group consisting of hydrogen, (C 1-6 )alkyl, (C 2-6 )alkenyl or (C 2-6 )alkynyl where any of these groups may be optionally substituted with one or more of the following groups consisting of halogen, hydroxy, cyano, nitro, amino, caboxyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl and (C 3-7 )cycloalkyl;  
 M is halogen, dichloroiodate, tetrachloroiodate, sulfate, nitrate, formate, acetate, propionate or butylate.  
 Q is selected from;  
                                       
 wherein  
 A 1  and A 2  are independently oxygen or sulfur;  
 R 8  is hydrogen, halogen, cyano, nitro, formyl, (C 1-4 )alkyl, (C 1-4 )haloalkyl, amino, (C 1-4 )alkyl amino, (C 1-4 )haloalkylamino, (C 4-1 )alkoxyamino, (C 1-4 )haloalkoxyamino, (C 1-4 )alkylcarbonyl, (C 1-4 )haloalkylcarbonyl, (C 1-4 )haloalkoxycarbonyl, (C 1-4 )alkylcabonylamino, (C 1-4 )haloalkylcarbonylamino, (C 1-4 )alkoxycarbonylamino, (C 1-4 )haloalkoxycarbonylamino, (C 1-6 )alkoxyalkyl, (C 1-6 )haloalkoxyalkyl, (C 1-6 )alkylthio, (C 1-6 )haloalkylthio, (C 2-6 )alkenyl, (C 2-6 )haloalkenyl, (C 2-6 )alkynyl or (C 2-6 )haloalkynyl;  
 R 9  and R 10  are independent of each other and may be selected from the group consisting of hydrogen, halogen, cyano, (C 1-4 )alkyl, (C 1-4 )haloalkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, (C 2-6 )alkenyl, (C 2-6 )haloalkenyl.  
 R 11  and R 12  are independent of each other and may be selected from the group consisting of hydrogen, halogen, (C 1-3 )alkyl, (C 1-3 )haloalkyl, hydroxy, (C 1-3 )alkoxy, (C 1-3 )haloalkoxy, cyano, nitro, amino or (C 1-6 )alkylamino;  
 When R 11  and R 12  are taken together with the atoms to which they are attached, they represent a three to seven membered substituted or unsubstituted ring optionally containing oxygen, S(O) n ** or nitrogen with following optional substitutions, one to three halogen, cyano, nitro, hydroxy, amino, carbonyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl or (C 3-7 )cycloalkyl;  
 R 13  may be selected from the group consisting of hydrogen, halogen, cyano, (C 1-4 )alkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, (C 1-4 )alkylthio, (C 1-4 )haloalkylthio, (C 1-4 )alkylsulfinyl, (C 1-4 )haloalkylsulfinyl, (C 1-4 )alkylsulfonyl, (C 1-4 )haloalkylsulfonyl, (C 2-6 )alkenyl, (C 2-6 )haloalkenyl.  
 G is nitrogen or CR 15 ;  
 G′ is carbonyl, NR 14 , oxygen, S(O) n ** or CR 15 R 16 ;  
 R 14  may be selected from the group consisting of hydrogen, (C 1-6 )alkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )haloalkylcarbonyl, arylcarbonyl and heteroarylcarbonyl;  
 where any of these groups may be optionally substituted with one or more of the following groups consisting of halogen, hydroxy, cyano, nitro, amino, caboxyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl and (C 3-7 )cycloalkyl;  
 R 15  and R 16  are independent of each other and may be selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, amino, cyano, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkoxy, (C 1-6 )haloalkoxy, (C 1-6 )alkoxyalkyl, (C 2-6 )alkynyl, (C 2-6 )alkenyl, aryl, heteroaryl, aryloxy, heteroaryloxy, (C 3-6 )cycloalkyl, (C 3-6 )cyclocarbonyl, carboxy, (C 1-6 )alkylcarbonyl, arylcarbonyl, (C 1-3 )haloalkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxycarbonyl, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylthiocarbonyl, (C 1-6 )haloalkylthiocarbonyl, (C 1-6 )alkoxythiocarbonyl, (C 1-6 )haloalkoxythiocarbonyl, (C 1-6 )alkylamino, arylsulfonylamino, arylamino, (C 1-3 )alkylthio, arylthio, (C 2-6 )alkenylthio, (C 2-6 )alkynylthio, (C 1-6 )alkylsulfinyl, (C 2-6 )alkenylsulfinyl, (C 2-6 )alkynylsulfinyl, (C 1-6 )alkylsulfonyl, (C 2-6 )alkenylsulfonyl, (C 2-6 )alkynylsulfonyl, arylsulfonyl, where any of these groups may be optionally substituted with one or one more of the following group consisting of halogen, hydroxy, mercapto, cyano, nitro, amino, caboxyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl and (C 3-7 )cycloalkyl;  
 n and m are independent of each other and represent an integer from 0 to 2; provided that m+n is 2, 3 or 4;  
 n* is 0 or 1;  
 n** is represent an integer from 0 to 2;  
 
   
   
       2 . A compound or its salt according to the  claim 1  wherein 
 X is hydrogen or halogen;    Y is represented by hydrogen, halogen, nitro, (C 1-4 )haloalkyl or (C 1-4 )haloalkoxy;    T is CH;    Z is selected from group (II), (III) or (V);    A is oxygen or sulfur;    R 1 , R 2 , R 3  and R 4  are independent of each other and may be selected from the group consisting of hydrogen, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkoxy, (C 1-6 )haloalkoxy, (C 1-6 )alkoxyalkyl, (C 2-6 )alkynyl, (C 2-6 )alkenyl, aryl, heteroaryl, aryloxy, heteroaryloxy, (C 3-6 )cycloalkyl, (C 3-6 )cyclocarbonyl, carboxy, (C 1-6 )alkylcarbonyl, arylcarbonyl, (C 1-3 , (C 1-6 )alkoxycarbonyl, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylthiocarbonyl, (C 1-6 )alkoxythiocarbonyl, (C 6 )alkylamino, arylsulfonylamino, arylamino, (C 1-6 )alkylthio, arylthio, (C 2-6 )alkenylthio, (C 1-6 )alkylsulfinyl, (C 2-6 )alkenylsulfinyl, (C 2-6 )alkynylsulfinyl, (C 1-6 )alkylsulfonyl, (C 2-6 )alkenylsulfonyl, arylsulfonyl, where any of these groups may be optionally substituted with one or one more of the following group consisting of halogen, hydroxy, mercapto, cyano, nitro, amino, caboxy, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, haloaryl, alkoxyaryl, aryoxy, arylthio, haloaryloxy, heteroaryl, heteroaryloxy and (C 3-7 )cycloalkyl;    R 5  and R 6  are independent of each other and may be selected from the group consisting of (C 1-6 )alkyl, (C 2-6 )alkenyl, (C 2-6 )alkynyl, (C 1-6 )alkoxycarbonyl and heteroarylcarbonyl;    where any of these groups may be optionally substituted with one or more of the following groups consisting of halogen, hydroxy, cyano, nitro, amino, caboxyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 16)alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl and (C 3-7 )cycloalkyl;    R 7  may be selected from the group consisting of hydrogen, (C 1-6 )alkyl, (C 2-6 )alkenyl or (C 2-6 )alkynyl;    Q is selected from Q 1 , Q 3 , Q 5 , Q 7 , Q 9  or Q 10 ;    wherein    A 1  and A 2  are independently oxygen or sulfur;    R 8  is hydrogen, (C 1-4 )alkyl, (C 1-4 )haloalkyl, amino;    R 9  and R 10  are independent of each other and may be selected from the group consisting of hydrogen, halogen, cyano, (C 1-4 )alkyl, (C 1-4 )haloalkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, (C 2-6 )alkenyl, (C 2-6 )haloalkenyl.    R 13  may be selected from the group consisting of hydrogen, halogen, (C 1-4 )alkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, (C 1-4 )alkylthio, (C 1-4 )haloalkylthio, (C 1-4 )alkylsulfinyl, (C 1-4 )haloalkylsulfinyl, (C 1-4 )alkylsulfonyl or (C 4-1 )haloalkylsulfonyl    G′ is carbonyl, NR 14 , oxygen, S(O) n ** or CR 15 R 16 ;    R 14  is hydrogen or (C 1-6 )alkyl;    R 15  and R 16  are independent of each other and may be selected from the group consisting of hydrogen, halogen, hydroxy, amino, cyano, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkoxy, (C 1-6 )haloalkoxy, (C 1-6 )alkoxyalkyl, (C 2-6 )alkynyl, (C 2-6 )alkenyl, aryl, heteroaryl, aryloxy, heteroaryloxy, (C 3-6 )cycloalkyl, (C 3-6 )cyclocarbonyl, carboxy, (C 1-6 )alkylcarbonyl, arylcarbonyl, (C 1-3 )haloalkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxycarbonyl, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylthiocarbonyl, (C 1-6 )haloalkylthiocarbonyl, (C 1-6 )alkoxythiocarbonyl, (C 1-6 )haloalkoxythiocarbonyl, (C 1-6 )alkylamino, arylsulfonylamino, arylamino, (C 1-3 )alkylthio, arylthio, (C 2-6 )alkenylthio, (C 2-6 )alkynylthio, (C 1-6 )alkylsulfinyl, (C 2-6 )alkenylsulfinyl, (C 2-6 )alkynylsulfinyl, (C 1-6 )alkylsulfonyl, (C 2-6 )alkenylsulfonyl, (C 2-6 )alkynylsulfonyl, arylsulfonyl, where any of these groups may be optionally substituted with one or one more of the following group consisting of halogen, hydroxy, mercapto, cyano, nitro, amino, caboxyl, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkylcarbonyl, (C 1-6 )alkylcarbonyloxy, (C 1-6 )haloalkylcarbonyl, (C 1-6 )haloalkylcarbonyloxy, (C 1-6 )alkoxy, (C 1-6 )alkoxycarbonyl, aminocarbonyl, (C 1-6 )alkylaminocarbonyl, (C 1-6 )haloalkoxy, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylsulfonyl, (C 1-6 )haloalkylsulfonyl, aryl, heteroaryl and (C 3-7 )cycloalkyl;    n and m are independent of each other and represent an integer from 0 to 2; provided that m+n is 2, 3 or 4;    n** is represent an integer from 0 to 2;    
   
   
       3 . A compound or its salt according to the  claim 2  wherein 
 X and Y are independent of each other represent hydrogen or halogen;    T is CH;    Z is selected from group (II) or (V);    A is oxygen;    R 1 , R 2 , R 3  and R 4  are independent of each other and may be selected from the group consisting of hydrogen, (C 1-6 )alkyl, (C 1-6 )haloalkyl, (C 1-6 )alkoxy, (C 1-6 )haloalkoxy, (C 1-6 )alkoxyalkyl, (C 2-6 )alkynyl, (C 2-6 )alkenyl, aryl, heteroaryl, aryloxy, heteroaryloxy, (C 3-6 )cycloalkyl, (C 3-6 )cyclocarbonyl, carboxy, (C 1-6 )alkylcarbonyl, arylcarbonyl, (C 1-3 , (C 1-6 )alkoxycarbonyl, (C 1-6 )haloalkoxycarbonyl, (C 1-6 )alkylthiocarbonyl, (C 1-6 )alkoxythiocarbonyl, (C 1-6 )alkylamino, arylsulfonylamino, arylamino, (C 1-6 )alkylthio, arylthio, (C 2-6 )alkenylthio, (C 1-6 )alkylsulfinyl, (C 2-6 )alkenylsulfinyl, (C 2-6 )alkynylsulfinyl, (C 1-6 )alkylsulfonyl, (C 2-6 )alkenylsulfonyl, arylsulfonyl,    R 5  and R 6  are independent of each other and may be selected from the group consisting of (C 1-6 )alkyl, (C 2-6 )alkenyl, (C 2-6 )alkynyl;    R 7  may be selected from the group consisting of hydrogen, (Ci)alkyl, (C 2-6 )alkenyl or (C 2-6 )alkynyl;    Q is selected from Q 1 , Q 3  or Q 5 ;    wherein    A 1  and A 2  are oxygen;    R 8  is (C 1-4 )alkyl, (C 1-4 )haloalkyl, amino;    R 9  and R 10  are independent of each other and may be selected from the group consisting of hydrogen, (C 1-4 )alkyl, (C 1-4 )haloalkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, (C 2-6 )alkenyl, (C 2-6 )haloalkenyl;    R 13  may be selected from the group consisting of hydrogen, halogen, cyano, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, hydroxy;    
   
   
       4 . A herbicidal composition, characterized in that it contains at least one compound according to  claim 1 .  
   
   
       5 . A herbicidal composition which comprises an effctive amount of a compound or its salt of  claim 1  and an agricultural adjuvant.  
   
   
       6 . The herbicidal composition according to  claim 5  wherein the compounds are formulated into a practical use form such as emulsifiable concentrate (EC), aqueous or oil based suspension concentrate (SC), wettable powder (WP), water dispersible granule (WDG) or microenscapulated (ME) form.  
   
   
       7 . A method for controlling the growth of undesired plant species in plantation crops which comprises applying to the locus of the crop a herbicidally effective amount of a compound or its salt according to  claim 1 .  
   
   
       8 . A method for controlling undesired vegetation in a crop field such as corn, peanut, cotton, wheat, sorghum, sunflower, soybean or rice by applying to the locus of the crop to be protect a herbicidally effective amount of a compound or its salt of  claim 1 .  
   
   
       9 . A method for controlling weeds, which comprises applying to the locus to be protected a herbicidally effective amount of a compound or its salt of  claim 1  in combination with one or more other herbicides for providing an additive or synergistic herbicidal effect.  
   
   
       10 . A method for controlling weeds of  claim 7  wherein the compound or its salt of  claim 1  is applied to the soil as a pre-plant incorporated, pre-emergent or delayed pre-emergent herbicide.  
   
   
       11 . A method for controlling weeds of  claim 9  wherein the compound or its salt of  claim 1  is applied to the soil as a pre-plant incorporated, pre-emergent or delayed pre-emergent herbicide.  
   
   
       12 . A method for controlling weeds of  claim 7  wherein the compound or its salt of  claim 1  is applied as a post-emergent herbicide to plant foliage.  
   
   
       13 . A method for controlling weeds of  claim 9  wherein the compound or its salt of  claim 1  is applied as a post-emergent herbicide to plant foliage.  
   
   
       14 . A method for controlling weeds of  claim 9  wherein the other herbicide is an acetanilide, oxyacetamide, sulfonylurea, triazine, triketone, urea, amide, glyphosate or any referenced in the text.  
   
   
       15 . A method to defoliate potato and cotton using a compound or its salt of  claim 1 .  
   
   
       16 . A process for the preparation of the compound or its salt represented by the formula (XI) in said  claim 1 , which comprises reacting a compound according to formula (IX) with a compound of the formula (X).  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A 1 , A 2 , T, R 1 , R 2 , R 3 , R 8  and R 9  are as previously.  
     
   
   
       17 . A process for the preparation of the compound or its salt represented by the formula (XVI) in said  claim 1 , which comprises reacting a compound of formula (IX) with a compound of the formula (X′).  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A 1 , A 2 , T, R 1 , R 5 , R 6 , R 8  and R 9  are as previously.  
     
   
   
       18 . A process for the preparation of the compound or its salt represented by the formula (XVII) in said  claim 1 , which comprises reacting a compound according to formula (XXII) with aldehyde or ketone.  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A, A 1 , A 2 , T, R 2 , R 3 , R 8  and R 9  are previously defined.  
     
   
   
       19 . A process for the preparation of the compound or its salt represented by the formula (XXVII) in said  claim 1 , which comprises transformation of a compound according to formula (XXIV) by Lawesson's reagent and reacting it with R 4 -M and R 7 -M.  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, T, R 1 , R 2 , R 3 , R 4 , R 7 , R 8 , R 10  and R 13  are previously defined.  
     
   
   
       20 . A process of the preparation of the compound or its salt represented by the formula (XV) in said  claim 1 , which comprises reacting a compound according to formula (XIV) with R 7 -M.  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A, A 1 , A 2 , T, R 2 , R 3 , R 4 , R 7 , R 8 , R 9  and M are previously defined.  
     
   
   
       21 . A process of the preparation of the compound or its salt represented by the formula (XIII) in said  claim 1 , which comprises reacting a compound according to formula (XII) with R 7 -M.  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A, A 1 , A 2 , T, R 1 , R 2 , R 3 , R 7 , R 8  and R 9  are previously defined.  
     
   
   
       22 . A process of the preparation of the compound or its salt represented by the formula (XIV) and (XII) in said  claim 1 , which comprises reacting a compound according to formula (IV) with R 4 -M and R 1 -M respetively.  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A, A 1 , A 2 , T, R 1 , R 2 , R 3 , R 4 , R 8  and R 9  are previously defined.  
     
   
   
       23 . A process of the preparation of the compound or its salt represented by the formula (XVI) and (XVIII) in said  claim 1 , which comprises reacting a compound according to formula (XVII) with R 1 -M and R 4 -M reapectively.  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, A, A 1 , A 2 , T, R 1 , R 4 , R 5 , R 6 , R 8  and R 9  are previously defined.  
     
   
   
       24 . A process of the preparation of the intermediate represented by the formula (XXX), which comprises reducing a compound according to formula (XXIX).  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, T and Z are previously defined.  
     
   
   
       25 . A process for the preparation of the intermediate represented by the formula (XXIX) in said  claim 24 , which comprises nitrating a compound according to formula (XXVIII)  
     
       
         
         
             
             
         
       
       wherein  
       X, Y, T and Z are previously defined.