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One-pot synthesis of substituted dibenzoxazepinones and pyridobenzoxazepinones using octacarbonyldicobalt as an effective CO source

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posted on 2019-11-27, 13:07 authored by Kavitha Anchan, Poongavanam Baburajan, Nagaswarupa H. Puttappa, Sujit Kumar Sarkar

A facile one-pot protocol for the synthesis of substituted dibenzoxazepinones and pyridobenzoxazepinones from commercially available aryl/heteroaryl halides and amino phenols using octacarbonyldicobalt (Co2(CO)8) as an effective metal carbonyl source has been demonstrated. This method proceeds via the sequential coupling of aryl/heteroaryl halides with aminophenol by amidation and intramolecular cyclization to give dibenzoxazepinones/pyridobenzoxazepinones.

Funding

Kavitha is grateful to Syngene International Ltd, Bangalore, India, for financial support and the permission for higher education (Ph.D.).

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