发明名称 |
Process for production of methylcobalamin |
摘要 |
The present invention provides an industrially excellent and novel process for producing methylcobalamin useful as medicines. Namely, it provides a process for producing methylcobalamin, which comprises the step of methylating cyanocobalamin or hydroxocobalamin in the presence of a reducing agent and a water-soluble methylating agent. |
申请公布号 |
US6657057(B2) |
申请公布日期 |
2003.12.02 |
申请号 |
US20020130797 |
申请日期 |
2002.05.23 |
申请人 |
EISAI CO., LTD. |
发明人 |
HISATAKE YOSHIHIKO;KURODA HIROSHI |
分类号 |
C07H23/00;(IPC1-7):C07H11/04 |
主分类号 |
C07H23/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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