Chemical process

Details Chemical process Chemical process

1996-07-08

1998-01-06

O'Sullivan, Peter

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

Organic compounds

Amino nitrogen containing

564 84, 564 91, 564 98, L07C30338

Patent

active

057056919

ABSTRACT:
A process for the preparation of an N-(alkylsulphonyl)amide, the process comprising reacting a primary amide with a sulphonyl halide in the presence of a base which is sufficiently strong to cause at least partial deprotonation of the amide.

REFERENCES:
patent: 3622626 (1971-11-01), Moore
patent: 4835312 (1989-05-01), Itoh et al.
patent: 5205853 (1993-04-01), Wolf et al.
patent: 5256632 (1993-10-01), Wolf et al.
Cossu, S., et al., "Unusual Reactivity of 4-Carboxyamido-2-oxazoline Systems: New Synthesis of Optically Active N-Sulphonyl Derivatives", Tetrahedron, vol. 50, No. 17, 1994, pp. 5083-5090. Derivatives", Pol. J. Chem., vol. 59, 1985, pp.1115-1120.
IIIi, V.O., "Phasentransfer-katalysierte N-Sulfonierung von Indol", Synthesis, No. 2, 1979, p. 136.

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