Dcr. Hockless et al., 1-METHYL-1-PHENYLPHOSPHIRANIUM TRIFLATE - SYNTHESIS, STRUCTURE AND REACTIVITY, Journal of the Chemical Society, Chemical Communications, (2), 1995, pp. 257-258
1-Phenylphosphirane reacts with methyl triflate to give 1-methyl-1-phe
nylphosphiranium triflate, which reacts with acetylenes to give the co
rresponding phosphirenium salts.