| 发明名称 |
Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid |
| 摘要 |
7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid of formula (I) can be easily prepared by reacting 7-aminocephalosporanic acid of formula (II) with an azeotropic mixture of trimethyl borate and methanol in the presence of methanesulfonic acid: |
| 申请公布号 |
AU7966700(A) |
申请公布日期 |
2001.04.23 |
| 申请号 |
AU20000079667 |
申请日期 |
2000.10.13 |
| 申请人 |
HANMI PHARM. CO., LTD. |
发明人 |
GWAN SUN LEE;JAE HEON LEE;YOUNG KIL CHANG;CHUL HYUN PARK;GHA SEUNG PARK;CHEOL KYUNG KIM |
| 分类号 |
C07D501/04;C07B61/00;C07D501/00;C07D501/22 |
主分类号 |
C07D501/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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