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January 1, 2014RSC Advances

Regioselective one-pot, three-component synthesis of substituted 2H-indazoles from 2-nitroarylaldehyde, alkyne and amine catalyzed by the CuBr/Zn(OTf) ₂ system

Anil K. Saikia Ramanjaneyulu Unnava Kiran Indukuri Sujit Sarkar

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Abstract

3-(Arylethynyl)-2 H -indazoles are synthesized in one-pot using 2-nitroarylaldehydes, primary amines and alkynes catalysed by the Zn(OTf) ₂ /CuBr system in moderate to good yields.

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Saikia et al. (2014) studied this question.

synapsesocial.com/papers/6a777c766c53f758bc1e96ab https://doi.org/10.1039/c4ra10093j

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