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Ramazani, Ali,Ahmadi, Yavar,Fattahi, Nadia,Ahankar, Hamideh,Pakzad, Mousa,Aghahosseini, Hamideh,Rezaei, Aram,Fardood, Saeid Taghavi,Joo, Sang Woo Informa UK (TaylorFrancis) 2016 Phosphorus, sulfur, and silicon and the related el Vol.191 No.7
<P>The 1:1 imine intermediate generated by the addition of a primary amine to cyclohexanone trapped by N-isocyaniminotriphenylphosphorane (NICITPP) in the presence of aromatic carboxylic acids and the corresponding iminophosphorane intermediate was formed. Disubstituted 1,3,4-oxadiazole derivatives are formed via intramolecular aza-Wittig reaction of the iminophosphorane intermediate. The reactions were completed in neutral conditions at room temperature (18-26 degrees C). The disubstituted 1,3,4-oxadiazole derivatives were produced in excellent yields. [GRAPHICS]</P>