Abstract
Vinyl sulfides are a class of important synthetic intermediates in organic synthesis. As illustrated on the front cover, the preparation of vinyl sulfides by a three-component reaction of halides, thiourea, and alkynes is reported by Chun Cai and co-workers in their Full Paper on page 77 ff. Two carbon-sulfur bonds are formed in one pot by this palladium [Pd(dppf)Cl2]-catalyzed system. The protocol is free of foul-smelling thiols and is operated under mild conditions to obtain cis-configured anti-Markovnikov products with moderate to excellent yields and excellent selectivity.
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