Total Synthesis and Stereochemical Assignment of the Spiroisoxazoline Natural Product (+)-Calafianin<sup>1</sup>
作者:Sujata Bardhan、Daniel C. Schmitt、John A. Porco
DOI:10.1021/ol053115m
日期:2006.3.2
Synthesis of the spiroisoxazoline natural product (+)-calafianin is reported using asymmetric nucleophilic epoxidation and nitrile oxide cycloaddition as key steps. Synthesis and spectral analysis of all calafianin stereoisomers led to unambiguousassignment of relative and absolutestereochemistry.