Process for preparing sulfonylureas

Details Process for preparing sulfonylureas Process for preparing sulfonylureas

1992-02-20

1992-10-20

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544206, 544208, 544321, 544323, C07D23969, C07D23948, C07D25142, C07D25152

Patent

active

051571196

ABSTRACT:
This invention relates to a process for the preparation of a benzene sulfonylurea herbicide by reacting a sulfonyl chloride with a cyanate salt in the presence of a heterocyclic amine, a base and a solvent.

REFERENCES:
patent: 4546179 (1985-10-01), Kunz

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