发明名称 |
Process for preparing (1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazolium-6-yl]thio-6-[(R)-1-hydroxyethyl]-1-methyl-carbapenem-3-carboxylate and starting materials thereof. |
摘要 |
<p>Novel and improved simple process for preparing carbapenem compound, (1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazolo [1,2-a][1,2,4]triazolium-6-yl)]thio-6-[(R)-1-hydroxyethyl]-1-methyl-ca rbapenem-3-carboxylate represented by the following formula: <CHEM> This compound may be prepared by using a mercapto reagent, 6,7-dihydro-6-mercapto-5H-pyrazolo[1,2-a][1,2,4]triazolium derivative of the following formula: <CHEM> wherein X<(-)> is an anion charge. g a</p> |
申请公布号 |
EP0480100(A2) |
申请公布日期 |
1992.04.15 |
申请号 |
EP19900125730 |
申请日期 |
1990.12.28 |
申请人 |
LEDERLE (JAPAN) LTD. |
发明人 |
TAMAI, SATOSHI;ABE, TAKAO;NAGASE, YUNOSUKE |
分类号 |
C07D231/04;C07D477/20;C07D487/04;C07D519/00 |
主分类号 |
C07D231/04 |
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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