Ethyl (E)-3-[(R)-2,2-Dimethyl-1,3-Dioxolan-4-Yl]Acrylate置于甲醇,1,8-二氮杂双环[5.4.0]十一碳-7-烯体系中,用 甲醇 作为反应溶剂,化学反应 21.0H,反应生成 莱克酮
参考文献:Stereoselective And Efficient Synthesis Of (3R,3As,6Ar)-Hexahydrofuro[2,3-B]Furan-3-Ol
标题:Stereoselective And Efficient Synthesis Of (3R,3As,6Ar)-Hexahydrofuro[2,3-B]Furan-3-Ol
摘要:[graphics]Two Short And Efficient Synthesis Routes Have Been Developed For Bis-Thf-Alcohol 2,A Key Building Block Of The Investigational Hiv Protease Inhibitor Tmc114 (1). Using S-2,3-O-Isopropylideneglyceraldehyde (4) As The Source Of Chirality,Both Routes Are Based On A Diastereoselective Michael Addition Of Nitromethane To Give Predominantly The Syn Congeners 6 Followed By A Nef Oxidation And Cyclization To Afford Lactone Acetals 8,Which Are Reduced And Cyclized To Give 2.
DOI:10.1021/ol052554I