Lithiation studies of [PhP(CH2Ph)(3)]Cl; X-ray crystal structure of the phosphoniodiylide [(TMEDA)Li(PhCH)(2)PPh(CH2Ph)] and its rhodium and chromium complexes

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Abstract

Treatment of the phosphonium salt [PhP(CH2Ph)(3)]Cl with three molar equivalents of (BuLi)-Bu-n gives the dilithiated species [Li2PhP(CHPh)(3)]. The crystal structure of the monolithiated species as its TMEDA adduct has been determined. Treatment of the dilithiate species with [((eta -C5Me5)MX2](2) (M = Cr, X = Br; M = Rh, X = Cl) provides [(eta -C5Me5)M{eta (2)-PhP(CH2Ph)(CHPh)(2)}X] containing chelating phosphoniodiylide ligands which are thought to be the hydrolysis products of the target complexes [{PhP(CHPh)(3)M(C5Me5)]. (C) 2001 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)236-244
Number of pages9
JournalJournal of organometallic chemistry
Volume625
Issue number2
Publication statusPublished - 22 Apr 2001

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