Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Tatiana А. Pospelova"'
Autor:
Tatiana А. Pospelova, Grigory V. Zyryanov, Maria I. Savchuk, Oleg N. Chupakhin, Dmitry S. Kopchuk, Vladimir L. Rusinov, Yaroslav K. Shtaitz, Oleg S. Eltsov
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:985-988
An efficient method for the synthesis of substituted 2-pyridones based on the aza-Diels–Alder reaction of 1,2,4-triazin-5-ones and dienophiles, 2,5-norbornadiene and 4-(cyclopent-1-en-1-yl)morpholine, is proposed.
Autor:
Tatiana А. Pospelova, Dmitriy M. Mazur, Lidiya N. Dianova, Vasiliy А. Bakulev, Valeriy O. Filimonov, Tetyana Beryozkina, Pavel А. Slepukhin
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:547-553
Sulfonylation of 1,2,3-thiadiazolecarboxylic acid amidines in the presence of a base was found to be accompanied by the Cornforth rearrangement of the 1,2,3-thiadiazole ring into 1,2,3-triazole leading to the formation of 2-substituted 1,2,3-triazole
Autor:
Konstantin L. Obydennov, Tatiana V. Glukhareva, Tatiana А. Pospelova, T. A. Kalinina, Pavel А. Slepukhin, Olga А. Vysokova
Publikováno v:
Chemistry of Heterocyclic Compounds. 54:1079-1082
A method for the synthesis of novel 1H-pyrazol-1-yl-1,2,3-thiadiazole derivatives has been proposed and their intramolecular cyclization to pyrazolo[1,5-a][1,2,3]thiadiazolo[4,5-e]pyrimidin-4(5H)-ones, previously unknown fused tricyclic heterocycles,