Title:
【発明の名称】グリオキシル酸エステルまたはその水和物の製造方法
Document Type and Number:
Japanese Patent JP2002533427
Kind Code:
A
Abstract:
The invention relates to a method for producing glyoxylic acid esters from glyoxylic acid ester hemiacetals which a) are directly transesterified with an alcohol in the presence of a catalyst; or b) are firstly converted into the corresponding glyoxylic acid whole acetals and are then transesterified with an alcohol in the presence of a catalyst, whereupon after a) and b) the acetals are divided into the desired, free glyoxylic acid ester or the hydrate thereof.
Inventors:
Zimmermann Kurt
Setos Alexander
Setos Alexander
Application Number:
JP2000590981A
Publication Date:
October 08, 2002
Filing Date:
December 06, 1999
Export Citation:
Assignee:
DMS Fine Chemicals Austria Nachfolgel Geselsyaft Mito Besilyenktel Haftung und Companion Commande Date Geselsyaft
International Classes:
C07B53/00; C07B61/00; C07C67/03; C07C67/31; C07C67/313; C07C67/327; C07C69/716; (IPC1-7): C07C67/327; C07C69/716
Attorney, Agent or Firm:
Mitsufumi Ezaki (3 others)