Solid phase acylation of aminosulfonic acids

Details Solid phase acylation of aminosulfonic acids Solid phase acylation of aminosulfonic acids

1985-04-24

1988-06-07

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14353

Patent

active

047495235

ABSTRACT:
This invention is directed to the acylation of aminosulfonic acids in the solid phase. Two discrete, sequential chemical reactions occur, i.e. (1) the neutralization of the aminosulfonic acid, and (2) the subsequent amine acylation, to produce an improved neutralized acyl-aminosulfonic acid at a reduced cost. Aminosulfonic acids having the general formula HO.sub.3 S-A-NH.sub.2 are acylated to neutralized acyl-aminosulfonic acids having the general formula RCONH-A-SO.sub.3 M, where A is an unsubstituted or substituted aliphatic, aromatic or heteroaromatic group and M is a neutralizing agent moiety. The yield is virtually quantitative.

REFERENCES:
patent: 4379937 (1983-04-01), Corso et al.
Chemical Abstracts, vol. 76 Index Guide (1972), pp. 54I-55I and 126I.
Hack's Chemical Dictionary, 4th Edition, McGraw-Hill Book Co., N.Y. 1972, pp. 16 & 86.

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