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Title:
【発明の名称】N-アルキルスルホニルアミノスルホニル尿素の製造方法
Document Type and Number:
Japanese Patent JP3067844
Kind Code:
B2
Abstract:
Known herbicides of the formula (I) (I) in which R1 is alkyl, alkenyl or alkynyl, which are optionally substituted by halogen, alkoxy or alkoxycarbonyl, R2 is H, alkyl, alkenyl, alkynyl or cycloalkyl, R3 and R4 are H or alkyl, R5 and R6 are H, alkyl or alkoxy, each of which can be substituted by halogen, alkoxy or alkylthio, or are halogen, alkylthio, alkylamino or dialkylamino, or, if R2 or R3 is H, their salts with bases, can be obtained when compounds of the formula II R1-SO2-NR2-SO2-NR3-CO-OR7(II) in which R1, R2 and R3 are as defined above, are reacted with compounds of the formula III (III) in which R4, R5 and R6 are as defined above and R7 is alkyl, haloalkyl or optionally substituted phenyl, in an inert organic solvent, to give the compounds of the formula I.

Inventors:
Shutefuen Lachin
Rotal Wilms
Application Number:
JP17694491A
Publication Date:
July 24, 2000
Filing Date:
July 17, 1991
Export Citation:
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Assignee:
HOECHST AKTIENGESELLSCHAFT
International Classes:
A01N47/36; C07D239/42; C07D239/47; C07D239/48; C07D239/52; C07D521/00; A01N43/54; (IPC1-7): C07D239/42; C07D239/47; C07D239/48; C07D239/52
Domestic Patent References:
JP6048973A
JP245473A
Attorney, Agent or Firm:
Mitsufumi Esaki (2 others)



 
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