A Novel Method for the Synthesis of 2 (3 H)??Benzimidazolones, 2 (3 H)??Benzoxazolone, and 2 (3 H)??Benzothiazolone via In Situ Generated Ortho Substituted Benzoic …
R Sridhar, PT Perumal
Index: Sridhar, Radhakrishnan; Perumal, Paramasivan T. Synthetic Communications, 2004 , vol. 34, # 4 p. 735 - 742
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Citation Number: 10
Abstract
Abstract An easy and generalized route to 2 (3 H)??benzimidazolones, 2 (3 H)?? benzoxazolone and 2 (3 H)??benzothiazolone is attempted. A novel one??pot method for the in situ generation and cyclisation of ortho substituted benzoic acid azides is reported via the application of ammonium azide and Vilsmeier complex.
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