📜在 盐酸,水体系中,用 乙醚 用作溶剂,以4.12 G的收率获得3,4-二氢-2-甲基-4-氧代吡啶-1(2H)-甲酸苄酯
参考文献:Stereoselective Synthesis Of 4-Amino-2,3-Unsaturated-N-Cbz-Imino-O-Glycosides Via New Diastereoisomeric N-Cbz-Imino Glycal-Derived Allyl N-Nosyl Aziridines
标题:Stereoselective Synthesis Of 4-Amino-2,3-Unsaturated-N-Cbz-Imino-O-Glycosides Via New Diastereoisomeric N-Cbz-Imino Glycal-Derived Allyl N-Nosyl Aziridines
摘要:The Glycosylation Of Alcohols By The New Diastereoisomeric D,L-6-Deoxy-N-Cbz-Imino Glycal-Derived Allyl N-Nosyl Aziridines 5 And 6 Affords,After Deprotection Of The 4-(N-Nosylamino) Group,The Corresponding 2,3-Unsaturated-N-Cbz-Imino-O-Glycosides Bearing A Free Amino Group On C(4) Through A Completely 1,4-Regio-And Substrate-Dependent Stereoselective Glycosylation Process.
Doi:10.1021/ol900742P