Patent ID: 6232496
Filing Date: 2001-05-15
Classification: A61K,A61Q,C07C,C11D

Abstract:
A process for the preparation of an amphoacetate surfactant, the process comprising reacting a compound of the formula (I):RCONHCH.sub.2 CH.sub.2 NHCH.sub.2 CH.sub.2 OH (I)where R is an aliphatic radical containing from 5 to 19 carbon atoms, with formaldehyde and a cyanide of formula R.sup.1 CN, wherein R.sup.1 represents a hydrogen atom or an alkali metal, the molar ratio of the formaldehyde and the cyanide to the compound of formula (I) being at least 1.0:1.0, with the proviso that when R.sup.1 represents a hydrogen atom, the nitrile obtained is hydrolyzed with an alkali.