Advanced Synthesis & Catalysis

… (II) Acetate/Oxygen??Mediated Nucleophilic Addition and Intramolecular C H Activation/C N or C C Bond Formation: One??Pot Synthesis of Benzimidazoles or …

HF He, ZJ Wang, W Bao

Index: He, Hua-Feng; Wang, Zhi-Jing; Bao, Weiliang Advanced Synthesis and Catalysis, 2010 , vol. 352, # 17 p. 2905 - 2912

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Citation Number: 47

Abstract

Abstract Diarylcarbodiimides or benzylphenylcarbodiimides are converted to 1, 2- disubstituted benzimidazoles or 1, 2-disustituted quinazolines via addition/intramolecular C [BOND] H bond activation/CN or C [BOND] C bond forming reaction using copper (II) acetate/oxygen [Cu (OAc) 2/O 2] as the oxidant at 100 C in one-pot cascade procedure.