Syntheses of the First Selenium-Containing Bicyclic ? -Lactams as Potent Antimicrobial Agents
作者:Jih Ru Hwu、Long-Li Lai、Gholam H. Hakimelahi、Hady Davari
DOI:10.1002/hlca.19940770416
日期:1994.6.29
Syntheses of the cis-configurated isodethiaselenapenam 5 (Scheme 1) as well as the isodethiaselenacephems 29 and 31 (Scheme 2) were accomplished, in which the key step involved addition of Se to the corresponding carbanions of 1, 25, and 27 followed by internal alkylation. β-Lactams 29 and 31 were found to possess biological activity against several pathogenic microorganisms in vitro. The electronic