Citation:
Mohammad A. Khalilzadeh, Adel Hasannia, Mohammad M. Baradarani, Zinatossadat Hossaini. Efficient synthesis of functionalized butenolides mediated by vinyltriphenylphosphonium salts in aqueous media[J]. Chinese Chemical Letters,
;2011, 22(1): 49-52.
doi:
10.1016/j.cclet.2010.07.021
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An efficient synthesis of 5-oxo-2, 5-dihydro-3-furancarboxylate derivatives via reaction of dialkyl acetylenedicarboxylate with triphenylphosphine(Ph3P) in the presence of activated carbonyl compounds such as ethyl pyruvate, benzil, benzoylcyanide, biacetyle or N-alkylisatins is described.
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