A new type of thienamycin derivative (2) having a monothioacetal side chain at the C-2 position was prepared by means of a replacement reaction of protected thienamycin sulfoxide (13) with the monothiohemiacetal (16) liberated in situ by the retro-Michael reaction of the masked thiol (12) with 1, 8-diazabicyclo[5.4.0]undec-7-ene.
一种新型的噻酰霉素衍
生物(2)通过保护的噻酰霉素亚砜(13)与在位构建的单
硫半缩醛(16)之间的置换反应制备而成,该单
硫半缩醛是通过掩蔽
硫醇(12)与1, 8-二
氮杂双环[5.4.0]十一烯的逆迈克尔反应释放出来的。