Zobrazeno 1 - 10
of 20
pro vyhledávání: '"N. V. Chechina"'
Publikováno v:
ARKIVOC, Vol 2015, Iss 7, Pp 293-304 (2015)
Externí odkaz:
https://doaj.org/article/51b5e36a819747c2b0309ff06d62f015
Publikováno v:
ARKIVOC, Vol 2015, Iss 7, Pp 77-91 (2015)
Externí odkaz:
https://doaj.org/article/0f56038123084b70a9153decde756822
Autor:
N. V. Chechina, Irina V. Omelchenko, Feodor G. Yaremenko, Sergey A. Karpan, Nadezhda N. Kolos
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:827-833
A multicomponent reaction of arylglyoxal hydrates, acetylacetone or acetoacetic ester, aniline or its 3(4)-substituted analogs in 1:1:2 ratio occurred upon stirring in methanol, giving 4-arylamino-5-hydroxypyrroline derivatives containing 4,5-dihydro
Publikováno v:
Chemistry of Heterocyclic Compounds. 54:58-62
New triazolo[1,5-a]pyrimidines containing aroyl and acetyl or ester groups in the pyrimidine ring were synthesized in a process related to the Biginelli-like reaction, using hydrates of arylglyoxals, β-dicarbonyl compounds, and 1H-1,2,4-triazol-5-am
Publikováno v:
ARKIVOC, Vol 2015, Iss 7, Pp 77-91 (2015)
Publikováno v:
Journal of Organic and Pharmaceutical Chemistry. 11:72-77
Publikováno v:
Chemistry of Heterocyclic Compounds. 49:872-881
The thermally activated or microwave-induced one-pot three-component condensation of arylglyoxal hydrates, 1,3-dimethylbarbituric acid, and guanidine salts or methylisothiuronium hydroiodide gave respectively 2-amino-5-aryl- and 5-aryl-2-methylsulfan
Autor:
N. V. Chechina, Irina V. Omelchenko, Elena V. Vashchenko, L. L. Zamigailo, Nadezhda N. Kolos, Oleg V. Shishkin
Publikováno v:
Chemistry of Heterocyclic Compounds. 48:1817-1823
4-Aryl-2-methylaminothiazoles and 5-aryl-2-mercapto-1-methylimidazoles, containing a fragment of 1,3-dimethylbarbituric acid, have been synthesized by the one-pot three-component condensation of 1,3-dimethylbarbituric acid, arylglyoxal hydrates, and
Publikováno v:
ChemInform. 45
Title compounds containing a 1,3-dimethylbarbituric acid residue are synthesized through one-pot three-component condensation of barbituric acid (I), glyoxal hydrates (II), and guanidine (III) or isothiuronium (V) salts under microwave conditions or
Autor:
Elena V. Vashchenko, L. L. Zamigailo, O. V. Shishkin, N. N. Kolos, N. V. Chechina, Irina V. Omelchenko
Publikováno v:
ChemInform. 44
The three-component one-pot reaction of 1,3-dimethylbarbituric acid, arylglyoxals, and substituted thioureas yields imidazoles of type (IV) and/or thiazoles of type (V).