The Reaction of N-Isocyaniminotriphenylphosphorane With Biacetyl in the Presence of (E)-Cinnamic Acids: Synthesis of Fully Substituted 1,3,4-Oxadiazole Derivatives via Intramolecular AZA-Wittig Reactions of in Situ Generated Iminophosphoranes

作者: Ali Ramazani , Behnaz Abdian , Fatemeh Zeinali Nasrabadi , Morteza Rouhani

DOI: 10.1080/10426507.2012.700351

关键词: 1 3 4 oxadiazole derivativesOrganic chemistryWittig reactionMedicinal chemistryIntramolecular forceSteric effectsChemistryIn situ

摘要: Abstract Reaction of N-isocyaniminotriphenylphosphorane with biacetyl in the presence (E)-cinnamic acids proceeds smoothly at room temperature and under neutral conditions to afford sterically congested 1,3,4-oxadiazole derivatives high yields. The reaction straightforward mild no side reactions are observed.

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