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Ramazani, Ali,Abdian, Behnaz,Nasrabadi, Fatemeh Zeinali,Shajari, Nahid,Ranjdoost, Zahra Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.11
A simple method has been developed for four-component synthesis of disubstituted 1,3,4-oxadiazoles using (N-isocyanimino)triphenylphosphorane, a primary amine, a carboxylic acid and biacetyl in $CH_2Cl_2$ by the Ugi-4CR/aza-Wittig sequence at room temperature in excellent yields.
Ali Ramazani,Behnaz Abdian,Fatemeh Zeinali Nasrabadi,Nahid Shajari,Zahra Ranjdoost 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.11
A simple method has been developed for four-component synthesis of disubstituted 1,3,4-oxadiazoles using (N-isocyanimino)triphenylphosphorane, a primary amine, a carboxylic acid and biacetyl in CH2Cl2 by the Ugi- 4CR/aza-Wittig sequence at room temperature in excellent yields.