Stereochemistry of contiguous cyclopropane formation from cascade cyclization of a skipped dienyl homoallyl triflate

Chem Commun (Camb). 2004 Dec 21:(24):2846-7. doi: 10.1039/b412811g. Epub 2004 Oct 28.

Abstract

Solvolysis of asymmetric homoallylic triflates bearing a terminal stannyl substituent gives disubstituted cyclopropanes and bicyclopropanes bearing differentiated termini in high enantiopurity.