Novel classes of alkynyliodonium salts and their applications: The synthesis of substituted 1,3-diynyliodonium triflates, R-C≡C-C≡C-I+-Ph -OTf, and their reaction with triphenylphosphine

Article abstract of DOI:10.1055/s-1991-26681

Reaction of butadiynyltrialkyltins 1 with cyano(phenyl)iodonium triflates 2 yields 1,3-diynyl(phenyl)iodonium triflates 3, a hitherto unknown class of functionalized diacetylenes. Additionally, the reaction of 3 with triphenylphosphine is described.