Abstract

Abstract The reactivity of sulfurated monosubstituted alkynes with dithiophosphoric acid (noted Z-H) has been investigated. Depending on the transition-metal-catalyst (Ni, Pd, Rh) and solvent (benzene or THF), two types of alkenes can be isolated: Z-CH[dbnd]CH-CH2-SR and/or Z-C(CH2-SR)[dbnd]CH2. The selectivity of this reaction was studied. 13C and 31P NMR of these new sulfurated alkenes are reported.

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