Oxidative ring-opening of 3-aminoindazoles for the synthesis of 2-aminobenzoates?

Organic Chemistry Frontiers Pub Date: 2018-09-26 DOI: 10.1039/C8QO00872H

Abstract

The first oxidative ring-opening of 3-aminoindazoles based on N–N bond cleavage is reported herein. A variety of 2-aminobenzoates were obtained in good yields under mild conditions, in which the free, mono- and dual-brominated aminobenzoates could be controllably achieved by employing the appropriate oxidant and bromine source.

Graphical abstract: Oxidative ring-opening of 3-aminoindazoles for the synthesis of 2-aminobenzoates
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