Process for production of alkoxycarbonylaminothiazoleacetic acid

Details Process for production of alkoxycarbonylaminothiazoleacetic acid Process for production of alkoxycarbonylaminothiazoleacetic acid

1996-12-24

1998-08-04

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D277593

Patent

active

057895988

ABSTRACT:
A process for producing an alkoxycarbonylaminothiazoleacetic acid derivative, which comprises reacting an aminothiazoleacetic acid derivative ester with a dialkyl dicarbonate in the presence of a dialkyl carbonate to form an alkoxycarbonylaminothiazoleacetic acid derivative ester, then hydrolyzing the ester with a base, separating the carbonate formed as a by-product, and neutralizing the remaining base.
The process can produce an alkoxycarbonylaminothiazoleacetic acid derivative in a simple operation and safely, at a high yield and at a high reactor yield.

REFERENCES:
patent: 4386089 (1983-05-01), Konig et al.
Chemical Abstracts, vol. 122, No. 21, May 22, 1995, Columbus, Ohio, US; abstract No. 265365s, p. 1104; XP002027281 *abstract * & JP 06 345 736 A (Tokuyama Soda KK) Dec. 20, 1994.
Database WPI, Section Ch, week 9651, Derwent Publications Ltd., London, GB; Class B03, AN 96-514979, XP002027282 * abstract * & JP 08 269 025 A (Tokuyama Soda KK), Oct. 15, 1996.

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