918-05-8

Alkyl phenyl sulfones and N, N-dimethyl methanesulfonamide are rapidly converted into their 1,1-dilithio salts on reaction with n-butyllithium in THF—hexane. The nature of these new organometallic species was confirmed by deuteration and condensation with benzaldehyde.

[1] A. Bongini, A. Umani-Ronchi, D. Savoia. “Synthesis and reactivity of the 1,1-dilithio derivatives of alkyl phenyl sulfones and N,N-dimethyl methanesulfonamide.” Journal of Organometallic Chemistry 112 1 (1976): 1–8.