Patent CA-2214041-A1 (CA)
Title: Intermediates for the preparation of thiophenesulfonylurea derivatives
Inventor: KIM TAE JUN
IPC: A01N47/36
Filed: 1992-03-14
Abstract: A compound having following general formula (IV) (IV)   wherein, P is P-1, P-2 or P-3 as follows:      ,           ,          , (P1)            (P2)           (P3) wherein, R1 is H,  C1-C3  alkyl,  C1-C3 haloalkyl,  halogen, CN, NO2, C1-C3 alkoxy, C1-C3 haloalkoxy, SO2NRIRII, C1-C3   alkythio,  C1-C3 alkylsulfinyl,   C1-C3 alkylsulfonyl, SCHF2, NH2, NHCH3,  N(Me)2,  C1-C2 alkyl  substituted  with  C1-C2  alkoxy,  C1-C2 haloalkoxy, SH, SCH3, CN or OH; or CO2RIII; and then RI  is  H,  C1-C4  alkyl,  C2-C3  cyanoalkyl, methoxy or ethoxy; RII is H, C1-C4 alkyl, C3-C4 alkenyl, or when taken together with RI and RII, it  represents  -(CH2)3-,  -(CH2)4,  -(CH2)5-  or CH2CH2OCH2CH2-;  RIII  is  C1-C4  alkyl,  C3-C4 alkenyl, C3-C4 alkynyl, C1-C4 alkyl substituted with  1-3  halogens  or  cyano  groups,   C5-C6 cycloalkyl,   C4-C7   cycloalkylalkyl   or  C2-C4 alkoxyalkyl;     R is  ,          ,      ;   wherein,  a  is  O  or  S;  R2  is  C1-C6  alkyl substituted with 1-3 halogens; R4 and R5 are C1-C4 alkyl and R6 and R7 are H, C1-C3 alkyl or C1-C3 haloalkyl; E is CH2 or a single bond;          R3 is H or CH3;            W is O or S;          A is A1, A2, A3, A4, A5, A6 or A7 as follows:      ,          ,       ,           ,          ,              , wherein, X is   H,  C1-C4 alkyl,  C1-C4 alkoxy,  C1-C4 haloalkoxy, C1-C4  haloalkyl,   C1-C4  haloalkylthio,   C1-C4 alkylthio,  halogen,  C2-C5  alkoxyalkyl,  C2-C5 alkoxyalkoxy,  amino,  C1-C3 alkylamino,  di(C1-C3 alkyl)amino or C3-C5 cycloalkyl;    Y is  H, C1-C4 alkyl,  C1-C4 alkoxy,  C1-C4 haloalkoxy, C1-C4  haloalkylthio,   C1-C4  alkylthio, C2-C5 alkoxyalkyl,  C2-C5  alkoxyalkoxy,  amino,  C1-C3 alkylamino,    di(C1-C3,    alkyl)amino,    C3-C4 alkenyloxy,      C3-C4      alkynyloxy,    C2-C5 alkylthioalkyl,  C1-C4 haloalkyl,  C2-C4 alkynyl, azido,  cyano,  C2-C5  alkylsulfinylalkyl,  C2-C5 alkylsulfonylalkyl, CH2OH, C3-C5 cycloalkyl, C3-C5 cycloalkoxy, C2-C5 alkylthioalkoxy,  ,  ,          ,           or       ;   m is 2 or 3; L1 and L2 are independently O or S; R4 and R5 are independently C1-C5 alkyl; R8 is H or CH3;          Z is CH, N, CCH3 or CC2H5; Y1 is O or CH2;          X1 is CH3, OCH3, OC2H5 or OCHF3; Y2 is CH3, CH2CH3, OCH3, OCH2CH3, SCH3 or SCH2CH3; X2 is CH3, CH2CH3 or CH2CF3; Y3 is H or CH3; X3 is CH3 or OCH3; Y4 is CH3, OCH3, OC2H5, CH2OCH3 or Cl; X4 is CH3, OCH3, OC2H5, CH2OCH3 or Cl; or agriculturally suitable salts thereof, and then (1)    if X is Cl, Br, F or I, Z iS CH and Y is OCH3, OC2H5,  NCH3(OCH3),  NH2,  NHCH3,  N(CH3)2  or OCHF2; (2)    if X or Y iS OCHF2, Z is CH; (3)    X4 and Y4 are not Cl simultaneously;     (4)   if W is S, R3 is H, E is a single bond, A is A1, Z is CH or N and, Y is CH3, OCH3, OCH2CH3, CH2OCH3, C2H5, CF3, SCH3, OCH2CH=CH2 OCH2C~CH,OCH2CH2OCH3, CH(OCH3)2 or   ;       (5)   if the number of total carbon atoms of X and Y is more than 4, the number of carbon atoms of R2 is 4 or less than 4. This compound is an intermediate for the preparation of thiophenesulfonylurea derivatives which have herbicidal activity.