One-pot synthesis of stable phosphonium
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Abbas Ali Esmaili; Mahnaz Ghereghloo; Mohammad Reza Islami; Hamid Reza Bijanzade
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Article
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2003
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Elsevier Science
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French
โ 99 KB
Protonation of reactive 1:1 intermediates produced in the reaction between triphenylphosphine and dialkyl acetylenedicarboxylate by 2-aminothiophenol leads to vinylphosphonium salts, which undergo Michael addition with thiophenolate anion to produce highly functionalized phosphonium ylides in excell