Document Type and Number:
Japanese Patent JPS5837315
Kind Code:
B1
Abstract:
The invention concerns the decarbonylation of the formyl group in 7-amino-3-formyl-ceph-2-em-4-carboxylic acid compounds and 7-amino-3-formyl-ceph-3-em-4-carboxylic acid compounds by treatment with a platinum metal complex capable of taking up carbon monoxide. Also included are the 7-amino-ceph-2-em-4-carboxylic acid compounds and the 1-oxides of 7-amino-ceph-3-em-4-carboxylic acid compounds; these compounds are used as intermediates.
Inventors:
HAINRITSUHI PEETA
HANSU BITSUKERU
HANSU BITSUKERU
Application Number:
JP5084772A
Publication Date:
August 15, 1983
Filing Date:
May 24, 1972
Export Citation:
Assignee:
CIBA GEIGY
International Classes:
C07D501/04; C07D501/08; C07D501/14; C07D501/20; C12P35/00; (IPC1-7): C07D501/14