Stereoselective synthesis of (−)-allosedamine and (1R,3R)-HPA-12 from β-p-toluenesulfonamido-γ,δ-unsaturated sulfoxide
作者:Sadagopan Raghavan、A. Rajender
DOI:10.1016/j.tet.2004.04.019
日期:2004.5
A stereoselective synthesis of (−)-allosedamine and HPA-12 is disclosed. The key steps of the synthesis include the diastereoselective synthesis of a β-sulfonamido unsaturated sulfoxide, elaboration of a bromohydrin via intramolecular sulfinyl group participation and a ring-closing metathesis reaction for the construction of the piperidine ring of allosedamine.
公开了(-)-烯丙二胺和HPA-12的立体选择性合成。合成的关键步骤包括β-磺酰胺基不饱和亚砜的非对映选择性合成,通过分子内亚磺酰基基团参与的溴代醇的精制以及用于构建异同胺的哌啶环的闭环易位反应。