New 1-substd.-pyridyl-sulphonyl-3-heterocyclyl-urea(s) and thiourea(s) - useful as pre- and post-emergence broad spectrum herbicides and plant growth regulants

摘要

Cpds. of formula JSO2NH-C(W)-N(R)-A (I) and their salts are new. R=H, or Me; W=O or S; R1=Rf or Rg; Rf=H, 1-3C (halo)alkyl, halo, NO2, 1-3C alkoxy, 1-3C alkylthio or CN; Rg=1-3C haloalkyl, 2-3C alkyl, cyclopropyl, 1-3C alkyl substd. by 1-3C alkoxy, OH, MeS, EtS or CN, CN, W2R11, NH2, mono- or di-(1-3C) alkylamino; R2=1-4C alkylsulphinyl, 1-4C alkylsulphonyl, 3-5C cycloalkylthio, 3-5C cycloalkylsulphinyl, 3-5C cycloalkylsulphonyl, R3=1-4C alkylsulphinyl, 3-5C cycloalkylthio, 3-5C cycloalkylsulphinyl, 3-4C cycloalkylsulphonyl, SO2NH2, etc.; R4=R3 gp. with provisos; R5=R3 gp. but may also be 1-4C alkylsulphonyl with provisos; R6=1-4C alkylsulphonyl, 1-4C (halo)alkylthio, 1-4C haloalkylsulphinyl, 1-4C haloalkylsulphonyl, 3-4C alkenylthio, etc.. A=gp. of formulae (VII)-(XI); D1-D2=(CH2)2-Y1, (CH2)3-O or CH=CY3-O; X=H, 1-4C alkoxy, 2-4C haloalkoxy, E.T.C ; Y=H, 1-4C alkyl, 1-4C alkoxy, 2-4C haloalkoxy, 2-4C haloalkylthio, 1-4C alkylthio, 2-5C alkoxyalkyl, 2-5C alkoxyalkoxy, NH2, mono-or di-(1-3C)alkylamino, 2-5C alkylsulphonylalkyl, 1-4C haloalkyl, 2-4C alkynyl, 3-5C cycloalkyl, N3, Z=CH, N, C-Me, C-Et, C-Cl or C-Br; Y1=O or CH2; X1=Me, OMe, OEt or OCF2H; X2=Me, Et or CH2CF3; Y2=OMe, OEt, SMe, SEt, Me or Et; X3=Me or OMe; Y3=H or Me; X4=Me, OMe, OEt, CH2OM3 or Cl; and Y4=Me, OMe, OEt, or Cl. There are provisos.