Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1995-08-21
1997-02-04
O'Sullivan, Peter
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07E30344
Patent
active
055999832
ABSTRACT:
A method is disclosed for the preparation of alkanesulfonamide containing low amounts of ammonium or alkylammonium-salt impurities wherein alkanesulfonamide is treated with a base to convert ammonium or alkylammonium-salt impurities to their corresponding base salts and to liberate neutral amine or ammonia.
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patent: 5166431 (1992-11-01), Sandler et al.
Field and Grunwald, "Symmetrical 1,3-Bis-(alkane-and arylsulfonyl)-Ureas", J. Amer. Soc., vol. 75, pp. 934-937 (1953).
Budrick Marc T.
Cordova Robert
Overgaard Thomas H.
Smith Gary S.
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