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Reference.org
Methylenetriphenylphosphorane
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<p>Methylenetriphenylphosphorane is an <a href="/facts/Organophosphorus_compound/kNgIF93U">organophosphorus compound</a> with the formula Ph3PCH2. It is the parent member of the phosphorus <a href="/facts/Ylide/WcfsUPR7">ylides</a>, popularly known as <a href="/facts/Wittig_reagent/6JaTDQQj">Wittig reagents</a>. It is a highly polar, highly basic species. </p>