Preparation of salt-free N-acyl taurines

Details Preparation of salt-free N-acyl taurines Preparation of salt-free N-acyl taurines

1978-01-03

1980-11-11

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260507R, 260513N, C07C14390

Patent

active

042332290

ABSTRACT:
A process for preparing a substantially salt free N-acyl taurine by reacting 1 mole of a higher molecular weight carboxylic acid chloride with 1 mole of a taurine salt containing at least 1 N-bonded H atom in a lower alkanol initially containing no more than about 15% by weight of water and about 1 mole of an alkali metal hydroxide at elevated temperatures, preferably at reflux, separating the insoluble precipitated alkali metal chloride from the alkanolic reaction medium at a temperature high enough to solubilize the N-acyl taurine reaction product, and cooling the reaction medium low enough to precipitate the desired N-acyl taurine.

REFERENCES:
patent: 2844611 (1958-07-01), Freudenberg
patent: 2987526 (1961-06-01), Schenck

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