Intermediates for herbicidal sulfonamides

Details Intermediates for herbicidal sulfonamides Intermediates for herbicidal sulfonamides

1979-06-18

1980-12-09

Torrence, Dolph H.

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

Organic compounds

Carboxylic acid esters

71 92, 71 93, 2603977R, 260465D, 544211, 544321, 544332, 560 13, C07C143828

Patent

active

042386217

ABSTRACT:
This invention relates to novel o-carbonylbenzenesulfonyl isocyanates and their use as intermediates for the preparation of sulfonylureas which are known to be active herbicides.

REFERENCES:
patent: 2946815 (1960-07-01), Hamor
patent: 3371114 (1968-02-01), Sayigh et al.
patent: 3379758 (1968-04-01), Ulrich et al.
patent: 3484466 (1969-12-01), Sayigh et al.

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