Cycloaddition of Bun3P·CS2: direct one-pot conversion of strained double bonds to 2-alkylidene-1,3-dithiolanes
Abstract
Reaction of the strained double bond in bicyclo[2.2.1]heptene systems with Bun3P·CS2 and an aldehyde provides convenient access to the corresponding 2-alkylidene-1,3-dithiolanes.