Acyl(phenylselanyl)methylidene(triphenyl)-λ5-arsanes 3 have been synthesized by treating acylmethylidene(triphenyl)-λ5-arsanes 1 with phenylselanyl iodide 2; α-selanylarsonium ylides 3 are sufficiently reactive to undergo Wittig-type reactions, affording a novel method for the stereoselective synthesis of (Z)-α-phenylselanyl α,β-unsaturated ketones 6.
Z. Huang, X. Huang and Y. Huang, J. Chem. Soc., Perkin Trans. 1, 1995, 95 DOI: 10.1039/P19950000095
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