REACTION OF WITTIG REAGENTS WITH α,α-DIHALOKETONES. DIBENZOYLMETHANE DIBROMIDE AND 1,3-INDANDIONE DIBROMIDE
Dibenzoylmethane dibromide (5) and 1,3-indandione dibromide (6) react with ylide-phosphoranes 1a-c to give the α,β-unsaturated esters 10 and 13, respectively.All intermediates are isolated and identified.Structures 10 and 13 as well as the intermediates were confirmed by compatible analytical and spectroscopic results.
Abdou, Wafaa M.,Ganoub, Neven A. F.
p. 49 - 55
(2007/10/02)
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