An efficient route for the synthesis of phosphorus–selenium macro-heterocycles
Literature Information
Guoxiong Hua, Alexandra M. Z. Slawin, Rebecca A. M. Randall, David B. Cordes, L. Ellis Crawford, Michael Bühl, J. Derek Woollins
Four-membered ring [PhP(Se)(μ-Se)]2 (Woollins' reagent, WR) reacts with disodium alkenyl-diols followed by in situ ring-closure reaction with appropriate dibromoalkanes affording a series of unusual nine- to fifteen-membered organoselenophosphorus macrocycles bearing the O–P–Se–Cn–Se–P–O or O–P–Se–Cn–O–P–Se linkage.
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