Abstract
Abstract1‐Alkynyl sulfides R1C≡C‐S‐R2 1 are easily converted with a copper(I) hydride complex in tetrahydrofuran into cis‐1‐alkenyl sulfides R1CHCH‐S‐R2 2 in yields >90%. Treatment of compounds 1 with LiAlH4 in the same solvent leads to the isomeric trans‐1‐alkenyl sulfides R1CH CH‐S‐R2 3 in almost quantitative yield.
Published Version
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