A. I. Borisova, A. Medvedeva, O. B. Bannikova
Jun 1, 1985
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Journal
Bulletin of the Academy of Sciences of the USSR, Division of chemical science
Abstract
ConclusionsThe uncatalyzed reaction of 4,4-dimethyl-2-pentyn-1-al with thiols under kinetic control conditions leads to acetylenic hemithials, while β-thioacroleins are obtained under thermodynamic control conditions. The addition at the triple bond proceeds nonstereospecifically, although this process is regioselective and stereoselective with predominance of Z isomers.