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Facile Synthesis of Hydrazine Derivatives of 5H-Pyrrolo[3,4-b]pyrazine and 1H-Pyrrolo[3,4-b]quinoxaline

Abstract : A convenient and efficient route for the chemoselective synthesis of carbohydrazide, arenesulfonylhydrazide, and thiosemicarbazone derivatives of 5H-pyrrolo[3,4-b]pyrazine and 1H-pyrrolo[3,4-b]quinoxaline from the corresponding dinitriles and substituted hydrazines was elaborated. The synthesis of starting pyrazine-2,3-dicarbonitrile was sufficiently improved by using concentrated HCl as a catalyst.
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https://hal.univ-lorraine.fr/hal-01498208
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Submitted on : Wednesday, March 29, 2017 - 4:52:34 PM
Last modification on : Tuesday, March 30, 2021 - 3:24:38 AM

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Olga V. Hordiyenko, Igor V. Rudenko, Irina A. Zamkova, Oleksandr V. Denisenko, Angelina V. Biitseva, et al.. Facile Synthesis of Hydrazine Derivatives of 5H-Pyrrolo[3,4-b]pyrazine and 1H-Pyrrolo[3,4-b]quinoxaline. SYNTHESIS, Georg Thieme Verlag, 2013, 45 (24), pp.3375-3382. ⟨10.1055/s-0033-1340042⟩. ⟨hal-01498208⟩

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