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A new effective route for the synthesis of substituted 2h-indazoles

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Chemistry of Heterocyclic Compounds Aims and scope

A two-stage synthesis of 2H-indazoles has been established, based on consecutive reactions of reduction of 2-alkyl-, 2-cyclopropyl-, and 2-arylcarbonylazobenzenes to phenylazo-substituted benzyl alcohols and intramolecular heterocyclization of the reduction products under the influence of organic acids.

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Correspondence to S. S. Mochalov.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, 1507-1518, October, 2009.

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Mochalov, S.S., Khasanov, M.I., Trofimova, E.V. et al. A new effective route for the synthesis of substituted 2h-indazoles. Chem Heterocycl Comp 45, 1208–1217 (2009). https://doi.org/10.1007/s10593-010-0409-1

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