A convenient and mild chromatography-free method for the purification of the products of Wittig and Appel reactions

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Abstract

A mild method for the facile removal of phosphine oxide from the crude products of Wittig and Appel reactions is described. Work-up with oxalyl chloride to generate insoluble chlorophosphonium salt (CPS) yields phosphorus-free products for a wide variety of these reactions. The CPS product can be further converted into phosphine. © 2012 The Royal Society of Chemistry.

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Byrne, P. A., Rajendran, K. V., Muldoon, J., & Gilheany, D. G. (2012). A convenient and mild chromatography-free method for the purification of the products of Wittig and Appel reactions. Organic and Biomolecular Chemistry, 10(17), 3531–3537. https://doi.org/10.1039/c2ob07074j

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