Total synthesis of the title compounds is described which includes, as the key step, regioselective Dieckmann reaction for constructing the 2-oxo-carbapenam ring system.
Conversion of the olivanic acids into antibiotics of the PS-5 type: use of a new carboxy protecting group
作者:David F. Corbett、A. John Eglington
DOI:10.1039/c39800001083
日期:——
The syntheses of PS-5 (1) and analogues from the olivanicacids MM 17880 (4) and MM 13902 (10), including the use of a newcarboxyprotectinggroup, the p-methoxycarbonylbenzyl group, are reported together with the chemical elucidation of the stereochemistry at C-8 of the olivanicacids.
Carbapenem derivatives, a process for their preparation and pharmaceutical compositions containing them
申请人:BEECHAM GROUP PLC
公开号:EP0005348A1
公开(公告)日:1979-11-14
This invention provides the antibacterial compounds of the formula (I):
and salts and cleavable esters thereof wherein X is a SCH2CH2NH2 or Y NH.CO.CH3 group where Y is a SCH2CH2 trans -SO-CH=CH- or cis or trans -S-CH=CH- group and R is a lower alkyl, aryl, aralkyl, lower alkenyl or substituted lower alkyl group.
The invention also relates to processes for the preparation of the said compounds and pharmaceutical compositions containing them.
本发明提供了式(I)的抗菌化合物:
及其盐和可裂解酯 其中 X 是 SCH2CH2NH2 或 Y NH.CO.CH3 基团,其中 Y 是 SCH2CH2 反式 -SO-CH=CH- 或顺式或反式 -S-CH=CH- 基团,R 是低级烷基、芳基、芳烷基、低级烯基或取代的低级烷基。
本发明还涉及上述化合物的制备工艺和含有这些化合物的药物组合物。
Alkylcarbapenems, their preparation, use in pharmaceutical compositions and intermediates
申请人:BEECHAM GROUP PLC
公开号:EP0005349A1
公开(公告)日:1979-11-14
This invention provides the antibacterial compounds of the formula (I):
and salts and cleavable esters thereof wherein A is a C=CH-CH3 or CH-CH2-CH3 group and Y is a -S-CH2CH2-, -S-CH = CH- or -SO-CH = CH- group.
The invention also relates to process for the preparation of the said compounds and pharmaceutical compositions containing them.