Azetidinone derivative and processes for production thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0171064B1
公开(公告)日:1995-07-12
US4845210A
申请人:——
公开号:US4845210A
公开(公告)日:1989-07-04
A FACILE, STEREOCONTROLLED ENTRY TO KEY INTERMEDIATES FOR THIENAMYCIN SYNTHESIS FROM ETHYL (<i>S</i>)-3-HYDROXYBUTANOATE
作者:Toshiyuki Chiba、Masako Nagatsuma、Takeshi Nakai
DOI:10.1246/cl.1985.1343
日期:1985.9.5
A new synthetic approach to optically active key intermediates for thienamycinsynthesis is described which involves the highly stereocontrolled transformation of the 2-azetidinone obtained via the condensation of ethyl (S)-3-hydroxybutanoate with the N-silylimine of trimethylsilylpropynal.