期刊
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY
卷 50, 期 5, 页码 691-693出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070428014050121
关键词
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Ethyl 6-amino-4-aryl-5-cyano-1,4-dihydropyrano[2,3-c]pyrazol-3-carboxylates were synthesized by a reaction of diethyloxalacetate sodium salt with aromatic aldehyde, hydrazine hydrate, and malononitrile in the presence of acetic acid.
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