PROCESS FOR PRODUCTION OF METHYLCOBALAMIN
Application 1391/MUMNP/2005 published 2006-05-19, filed 2005-12-13
A novel industrially excellent process for the production of methylcobalamin useful as drug or the like, characterized by methylating cyanocobalamin or hydroxocobalamin in the presence of a reducing agent and a water-soluble methylating agent. Drawing: 00 Sheets. Total Pages: 00. Fig. Nil
Applicant
EISAI CO. LTD.
6-10 KOISHIKAWA, 4-CHOME, BUNKYO-KU, TOKYO 112-8088, JAPAN
Inventor
1. YOSHIHIKO HISATAKE 2. HIROSHI KURODA
International Info
Classification: C07H 23/00
Publication Number: WO 01/ 42271
Application Date: 2000-12-07
Priority Information
11/350683 JAPAN 1999-12-09
2000-188619 JAPAN 2000-06-23