发明名称 |
Method for removing the protecting group for carboxyl group. |
摘要 |
<p>A method for removing substituted or unsubstituted allyl group from beta -lactam compound having substituted or unsubstituted allyl group-protecting carboxyl group, which comprises treating said beta -lactam compound with palladium catalyst in the presence of allyl-scavenger in aqueous organic solvent, by which the substituted or unsubstituted group can be easily and effectively removed under moderate conditions so that the desired compound can be obtained in high yield at low cost.</p> |
申请公布号 |
EP0574940(A1) |
申请公布日期 |
1993.12.22 |
申请号 |
EP19930109774 |
申请日期 |
1993.06.18 |
申请人 |
TANABE SEIYAKU CO., LTD. |
发明人 |
KONDO, KAZUHIKO;HORIKAWA, HIROSHI;IWASAKI, TAMEO |
分类号 |
C07D463/00;C07D477/08;C07D499/88;C07D501/00;C07D503/00;C07D505/00;(IPC1-7):C07D477/00;C07D498/047;C07D498/053 |
主分类号 |
C07D463/00 |
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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