PREPARATION OF QUATERNISED GLYCINE NITRILES IN AQUEOUS MEDIA FROM AN ALDEHYDE AND AN AMINE IN THE PRESENCE OF HYDROCYANIC ACID OR ALKALI METAL CYANIDE

摘要

PCT No. PCT/EP95/03273 Sec. 371 Date Mar. 3, 1997 Sec. 102(e) Date Mar. 3, 1997 PCT Filed Aug. 17, 1995 PCT Pub. No. WO96/07650 PCT Pub. Date Mar. 14, 1996A process for preparing quaternized glycine nitriles of formula I (I) comprising reaction of the corresponding precursor amine, aldehyde, hydrocyanic acid or alkali metal cyanide, and subsequent quaternization with an alkylating agent, wherein the reaction and quaternization are carried out successively in aqueous medium without isolation of an intermediate.