An efficient carbapenem synthesis via an intramolecular Wittig reaction of new trialkoxyphosphorane-thiolesters
作者:Akira Yoshida、Yawara Tajima、Noriko Takeda、Sadao Oida
DOI:10.1016/s0040-4039(01)81292-2
日期:——
New trialkoxyphosphorane-thiolesters 10, obtained by reaction of oxalimides 9 with trialkyl phosphite, were efficiently cyclized by an intramolecular Wittig reaction to give carbapenems 11.
通过草酰亚胺9与亚磷酸三烷基酯反应获得的新的三烷氧基磷杂环戊烷硫醇酯10通过分子内Wittig反应有效地环化,得到碳青霉烯11。