发明名称 |
PROCESSO PARA A REPARACAO DE ESTERES PENEMICOS COM ACCAO ANTIBACTERIANA E DE COMPOSICOES FARMACEUTICAS QUE OS CONTEM |
摘要 |
<p>PCT No. PCT/EP91/00522 Sec. 371 Date Sep. 21, 1992 Sec. 102(e) Date Sep. 21, 1992 PCT Filed Mar. 18, 1991 PCT Pub. No. WO91/14691 PCT Pub. Date Oct. 3, 1991.A process for preparing penem esters by reacting <IMAGE> (II) wherein R1 is a hydroxy protecting group and X is a C1-C10 alkyl or aryl group, with <IMAGE> (III) wherein R2 is hydrogen or a C1-C6 alkyl group in the presence of an anhydrous organic solvent, condensing the product with -OCOOR3 group and then cyclizing.</p> |
申请公布号 |
PT97064(B) |
申请公布日期 |
1998.07.31 |
申请号 |
PT19910097064 |
申请日期 |
1991.03.18 |
申请人 |
FARMITALIA CARLO ERBA, S.P.A. |
发明人 |
ETTORE PERRONE;ANGELO BEDESCHI;WALTER CABRI;MARCELLO MARCHI |
分类号 |
C07C67/307;C07C67/313;C07D205/09;C07D499/00;C07D499/06;C07D499/88;C07D499/883;C07D499/893;C07D499/897;C07F7/10;(IPC1-7):C07D499/88 |
主分类号 |
C07C67/307 |
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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