Patent · US Expired

Process for producing quarternary glycine nitriles

US5763639A · kind A · utility

2Cited by

3References

4Claims

0Family size

Assignee

BASF SE

Inventors

Ulrich Annen · Nümbrecht, DE
Hans-Peter Seelmann-Eggebert · Schifferstadt, DE
Rudi Widder · Leimen, DE
Reinhard Muller · Baden, CH

Key dates

Filing date	Mar 3, 1997
Grant date	Jun 9, 1998
Priority date	—
Expiry date	Mar 3, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D295/15
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing quaternized glycine nitriles of formula I ##STR1## 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.