Intermolecular radical addition of alkylthio- and arylthiodiphenylphosphines to terminal alkynes

Org Lett. 2008 Mar 20;10(6):1155-7. doi: 10.1021/ol800059n. Epub 2008 Feb 28.

Abstract

Intermolecular radical thiophosphination of terminal alkynes with alkylthio- and arylthiophosphines affords 1-thio-2-phosphino-1-alkenes in good yields. The addition reaction proceeds predominantly in an anti fashion to yield E isomers.