Synthesis of Highly Functionalized Stabl
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Issa Yavari; Farahnaz Nourmohammadian
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Article
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2000
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Elsevier Science
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French
β 83 KB
AbstractΓProtonation of the reactive 1:1 intermediates produced in the reaction between triphenylphosphine and dialkyl acetylenedicarboxylates by 3-chlorotetrahydrofuran-2,4-dione leads to vinylphosphonium salts, which undergo Michael addition with the conjugate base of the CH-acid to produce highly