An approach to the synthesis of (–)-lipstatin by Wittig reaction and Lewis acid-promoted [2 + 2] cycloaddition
作者:Jean-Marc Pons、Agnés Pommier、Joan Lerpiniere、Philip Kocienski
DOI:10.1039/p19930001549
日期:——
The beta-lactone moiety of (-)-lipstatin 1, a potent inhibitor of pancreatic lipase, is prepared via a Lewis acid-promoted [2 + 2] cycloaddition between hexyltrimethylsilyl ketene 3 and the (Z,Z)-dienic aldehyde 4, obtained from hexanal by two stereoselective Wittig reactions.