Výsledky vyhledávání - "Elzbieta Pytlewska"

Bicyclic [b]-heteroannulated pyridazine derivatives.4. Cyclization reactions of 4-aryltetrahydropyridazine-3,6-dione 3-hydrazones with some keto esters

Autor: Plenkiewicz J, Elzbieta Pytlewska, Jerzy Lange, Tomasz Kulinski, Slawomir Rump, Janina Karolak-Wojciechowska

Publikováno v: Journal of Heterocyclic Chemistry. 34:389-396

Ethoxycarbonylalkylidene derivatives 2 and 6 of the title hydrazones were obtained in the reaction with ethyl pyruvate or ethyl aroylformate and ethyl acetoacetate, respectively, in methanol. Both compounds were mixtures of geometric isomers with hig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0ed6ec1ba0b5d8f61762a5a34dd35a9
https://doi.org/10.1002/jhet.5570340206

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