Title:
メチルコバラミンの製造方法
Document Type and Number:
Japanese Patent JP2008534458
Kind Code:
A
Abstract:
Production of methylcobalamin involves methylation of cyanocobalamin/hydroxocobalamin with dimethyl carbonate, in the presence of a reducing agent, and optionally in the presence of a sequestering agent of cyano ion in an aqueous/hydro-organic medium.
Inventors:
Salyales, fan
Petchen, Ines
Camps, Javier
Petchen, Ines
Camps, Javier
Application Number:
JP2008502319A
Publication Date:
August 28, 2008
Filing Date:
March 22, 2006
Export Citation:
Assignee:
Fuerrel International, Sociedad Anonima
International Classes:
C07H23/00
Foreign References:
| WO2001042271A1 | 2001-06-14 | |||
| WO2002098896A1 | 2002-12-12 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Yukihiro Ikeda
Naganuma Akio
Hajime Asamura
Yukihiro Ikeda
Naganuma Akio