Search Results - "Pospelova, Tatiana А."

Efficient one-step synthesis of 3-aryl-2-pyridones from 6-aryl-1,2,4-triazin-5-ones by Savchuk, Maria I., Shtaitz, Yaroslav K., Kopchuk, Dmitry S., Zyryanov, Grigory V., Eltsov, Oleg S., Pospelova, Tatiana А., Rusinov, Vladimir L., Chupakhin, Oleg N.

“…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,…”
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Reactions of N-sulfonyl-1,2,3-thiadiazole-4-carbimidamides with sulfonyl chlorides: regiospecific synthesis and structure of 2-sulfonyl-1,2,3-triazoles by Beryozkina, Tetyana V., Filimonov, Valeriy O., Dianova, Lidiya N., Slepukhin, Pavel А., Mazur, Dmitriy M., Pospelova, Tatiana А., Bakulev, Vasiliy А.

“…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…”
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Synthesis of 5-(5-amino-1H-pyrazol-1-yl)-1,2,3-thiadiazole-4-carboxylic acid ethyl esters and their cyclization into pyrazolo[1,5-a][1,2,3]thiadiazolo[4,5-e]pyrimidin-4(5H)-ones by Vysokova, Olga А., Kalinina, Tatiana A., Slepukhin, Pavel А., Pospelova, Tatiana А., Obydennov, Konstantin L., Glukhareva, Tatiana V.

“…A method for the synthesis of novel 1 H -pyrazol-1-yl-1,2,3-thiadiazole derivatives has been proposed and their intramolecular cyclization to pyrazolo[1,5- a…”
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