Patent · US Expired

Process for the preparation of 1-aminocyclopropanecarboxylic acid hydrochloride

US5569781A · kind A · utility

1Cited by

0References

8Claims

0Family size

Assignee

Huels Aktiengesellschaft · DE

Inventors

Wolfgang Kleemiss · Haltern, DE
Marcel Feld · Cologne, DE

Key dates

Filing date	Apr 5, 1995
Grant date	Oct 29, 1996
Priority date	—
Expiry date	Apr 5, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a novel process for preparing 1-aminocyclopropanecarboxylic acid hydrochloride (ACC.multidot.HCl) of the formula ##STR1## ACC.multidot.HCl is prepared from a cyclopropane-1,1-dicarboxylic acid diester via an 1-aminocarbonylcyclopropanecarboxylic acid ester intermediate and an alkali metal salt or alkaline earth metal salt of 1-aminocarbonylcyclopropanecarboxylic acid. The process represents a simplification and gives improved product yields.

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