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Communication | Special issue | Vol 33, No. 2, 1992, pp.523-528
Published online, 1st January, 1970
DOI: 10.3987/COM-91-S85
Asymmetric Synthesis of New Non-natural 1β-Methylcarbapenems Bearing Methylthio Group at the C6-Position

Yoshimitsu Nagao,* Takao Abe, Hisashi Shimizu, Toshio Kumagai, and Yoshinori Inoue

*Faculty of Pharmaceutical Sciences, University of Tokushima, Sho-machi, Tokushima 770-8505, Japan

Abstract

The asymmetric total synthesis of new non-natural 1β-methylcarbapenems (1 and 2) has been accomplished starting from optically active C4-substituted azetidin-2-one (4).