Title:
NOVEL SYNTHESIS OF 7ALPHA-METHOXYCEPHALOSPORANIC ACID DERIVATIVE
Document Type and Number:
Japanese Patent JPS5430196
Kind Code:
A
Abstract:
PURPOSE: To prepare 7β-amino-7β-methoxycephalosporanic acid derivative useful as an intermediate of antibiotics, without causing the isomerization at 7-position, by reacting an iminoether compound or an iminohalide compound with anhydrous methanol at -20 - -70°C.
Inventors:
TAMAZAWA KAZUHARU
FUJIKURA TAKESHI
KOJIMA ATSUO
IWANAMI MASARU
FUJIKURA TAKESHI
KOJIMA ATSUO
IWANAMI MASARU
Application Number:
JP9475677A
Publication Date:
March 06, 1979
Filing Date:
August 08, 1977
Export Citation:
Assignee:
YAMANOUCHI PHARMA CO LTD
International Classes:
C07D501/18; C07D501/04; C07D501/36; C07D501/57; (IPC1-7): C07D501/18
Domestic Patent References:
JPS4972289A | 1974-07-12 |
Foreign References:
US4031086A | 1977-06-21 | |||
US3932392A | 1976-01-13 |