Process for preparing sulfonylureas

Details Process for preparing sulfonylureas Process for preparing sulfonylureas

1984-09-06

1985-10-08

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544207, 544208, 544209, 544211, 544212, 544320, 544321, 544331, 544332, C07D25144, C07D25146, C07D25150, C07D25152

Patent

active

045461791

ABSTRACT:
Sulfonylureas are prepared by contacting a sulfonyl halide with an ammonium, phosphonium, sulfonium, or an alkali metal cyanate salt in the presence of an amine.

REFERENCES:
patent: 3920644 (1975-11-01), Handa et al.
patent: 4420325 (1983-12-01), Sauers
patent: 4443245 (1984-04-01), Meyer et al.

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