Valentine P. Ananikov, Konstantin A. Gayduk, Nikolay V. Orlov, Irina P. Beletskaya, Victor N. Khrustalev and Mikhail Yu. Antipin Two Distinct Mechanisms of Alkyne Insertion into the Metal–Sulfur Bond: Combined Experimental and Theoretical Study and Application in Catalysis Chemistry - A European Journal 16
Two different mechanisms of multiple carbon–carbon bond insertion into the metal–heteroatom bond have been studied. A five-coordinate metal complex resulted in product formation without preliminary ligand dissociation on the alkyne insertion stage. The results of the mechanistic study were utilized to construct a new catalytic reaction to form target vinyl sulfides with high yields (up to 99 %) and excellent selectivity (>99:1).
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