M 2253 (OTTO) Methyltriphenylphosphonium bromide, 98% Cas 1779-49-3 - used widely for methylenation via the Wittig reaction
Wittig olefination salt employed recently in a synthesis of an enyne which, via ring closing metathesis, provided a benzazepine ring system. M 2253 (OTTO) Methyltriphenylphosphonium bromide, 98% Cas 1779-49-3 - used in organic synthesis as a wittig reagent and as a phase transfer catalyst in the production of Powder Coatings.