An efficient route for the synthesis of phosphorus-selenium macro-heterocycles
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Four-membered ring [PhP(Se)(mu-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-C-n-Se-P-O or O-P-Se-C-n-O-P-Se linkage.
Hua , G , Slawin , A M Z , Randall , R A M , Cordes , D B , Crawford , L , Buehl , M & Woollins , J D 2013 , ' An efficient route for the synthesis of phosphorus-selenium macro-heterocycles ' Chemical Communications , vol 49 , no. 26 , pp. 2619-2621 . DOI: 10.1039/c3cc40515j
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