Reaction between N-Isocyaniminotriphenylphosphorane, Aldehydes, and Carboxylic Acids: A One-Pot and Three-Component Synthesis of 2-Aryl-5-hydroxyalkyl-1,3,4-oxadiazoles - Adib, Mehdi; Kesheh, Mahdi Riazati; Ansari, Samira; Bijanzadeh, Hamid Reza (Synlett, 2009)