Herbicide dioxazinyl-substituted furylsulfonylaminocarbonyl compounds

摘要

Dioxazinyl-substituted furyl sulfonyl amino carbonyl compounds (I) and their salts are new. Dioxazinyl-substituted furyl sulfonyl amino carbonyl compounds of formula (I) and their salts are new. Het : heteroaryl group of formula (a) or 2,4-dihydro-[1,2,4]triazol-3-one group of formula (b); A : N or CH; R : 1-6C alkyl, 1-6C alkoxy, 1-6C alkoxycarbonyl, 1-6C alkylthio, 1-6C alkylsulfinyl or 1-6C alkylsulfonyl (all optionally substituted by CN, halo or 1-4C alkoxy), 2-6C alkynyl, 2-6C alkenyloxy or 2-6C alkynyloxy (all optionally substituted by CN or halo), H, CN, NO 2or halo; R 0>H or 1-4C alkyl; R 1>, R 2>1-4C alkyl, 1-4C alkoxy, 1-4C alkylthio, 1-4C alkylamino or 1-4C dialkylamino (all optionally substituted by CN, halo or 1-4C alkoxy), phenoxy, oxetanyloxy, furyloxy or tetrahydrofuryloxy (all optionally substituted by CN, halo, 1-4C alkyl or 1-4C alkoxy), H or halo; R 3>1-6C alkoxy, 1-6C alkylamino or 1-6C alkyl-carbonyl amino (all optionally substituted by F, Cl, Br, CN, 1-4C alkoxy or 1-4C alkoxy-carbonyl), 1-6C alkyl (optionally substituted by F, Cl, Br, CN, 1-4C alkoxy, 1-4C alkyl-carbonyl or 1-4C alkoxy-carbonyl), 2-6C alkenyl or 2-6C alkynyl (both optionally substituted by F, Cl and/or Br), cycloalkyl, cycloalkylamino or cycloalkylalkyl (all having 3-6C in alkyl and optionally 1-4C in alkyl portion, and optionally substituted by F, Cl, Br, CN and/or 1-4C alkyl), aryl or arylalkyl (both having 6-10C carbon in aryl and optionally 1-4C in alkyl portion, and optionally substituted by F, Cl, Br, CN, NO 2, 1-4C alkyl, CF 3and/or 1-4C alkoxy), 3-6C alkenyloxy, 1-4C dialkylamino, H, OH, amino, CN or 2-10C alkylidene amino; R 4>1-6C alkyl (optionally substituted by F, Cl, Br, CN, 1-4C alkoxy, 1-4C alkyl-carbonyl or 1-4C alkoxy-carbonyl), 1-6C alkoxy, 1-6C alkylthio, 1-6C alkylamino or 1-6C alkyl-carbonyl amino (all optionally substituted by F, Cl, CN, 1-4C alkoxy or 1-4C alkoxy-carbonyl), cycloalkyl, cycloalkenyl, cyclo-alkyloxy, cycloalkylthio, cycloalkylamino, cycloalkylalkyl, cycloalkyl alkoxy, cycloalkyl alkylthio or cycloalkyl alkylamino (all having 3-6C in cycloalkyl or cycloalkenyl and optionally 1-4C in alkyl portion, and optionally substituted by F, Cl, Br, CN and/or 1-4C alkyl), aryl, arylalkyl, aryloxy, arylalkoxy, arylthio, arylalkylthio, arylamino or arylalkylamino (all having 6-10C in aryl and optionally 1-4C in alkyl portion, and optionally substituted by F, Cl, Br, CN, NO 2, 1-4C alkyl, CF 3, 1-4C alkoxy and/or 1-4C alkoxy-carbonyl), 2-6C alkenyl or 2-6C alkynyl (both optionally substituted by F, Cl and/or Br), H, OH, mercapto, amino, CN, F, Cl, Br, l, 3-6C alkenyloxy, 3-6C alkynyloxy, 3-6C alkenylthio, 3-6C alkynylthio, 3-6C alkenylamino, 3-6C alkynylamino or 1-4C dialkylamine; R 5>-R 8>1-3C alkyl, 1-3C alkoxy, 1-3C alkylthio, 1-3C alkylsulfinyl, 1-3C alkylsulfonyl, 1-3C alkylamino, 1-3C alkylcarbonyl, 1-3C alkoxycarbonyl or 1-3C alkyl amino carbonyl (all optionally substituted by halo), H, halo, CN or thiocyanato; and R 9>1-6C alkyl, 1-6C alkoxy, 1-6C alkoxycarbonyl, 1-6C alkylthio, 1-6C alkylsulfinyl or 1-6C alkylsulfonyl (all optionally substituted by CN, halo or 1-4C alkoxy), 2-6C alkenyl, 2-6C alkynyl, 2-6C alkenyloxy or 2-6C alkynyloxy (all optionally substituted by CN or halo), H, CN, NO 2or halo. Independent claims are included for: (1) the preparation of (I); (2) herbicide comprising (I) and diluting agent and/or surface active agent; and (3) substituted furan-3-sulfonamide compounds of formula (III). [Image] [Image] [Image] ACTIVITY : Herbicide. MECHANISM OF ACTION : None given.