Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Tatiana A. Zaimovskaya"'
Autor:
Alexander D. Korshunov, Michail N. Elinson, Anatoly N. Vereshchagin, Tatiana A. Zaimovskaya, Mikhail P. Egorov
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 149:1069-1074
The electrochemically induced reaction of heterocyclic ketones and two equivalents of malononitrile in an undivided cell in alcohols in the presence of sodium bromide as mediator leading to the selective formation of substituted 6-heterospirocyclopro
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 147:755-760
Solvent-free sodium acetate catalyzed multicomponent reaction of isatins, malononitrile, and dimedone initiated by grinding in mortar results in the fast and efficient formation of substituted spirooxindoles in 90–99 % yields. The developed solvent
Autor:
Tatiana A. Zaimovskaya, Olga O. Sokolova, Michail N. Elinson, Mikhail P. Egorov, Ruslan F. Nasybullin
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 146:1689-1694
Non-catalytic multicomponent reaction of salicylaldehydes, dimedone, and barbituric acids initiated by reflux in ethanol results in the fast (5 min) and efficient formation of substituted tetrahydro-1H-xanthen-1-ones in 90–95 % yields. The develope
Autor:
Tatiana A. Zaimovskaya, Gennady I. Nikishin, Michail N. Elinson, Fedor V. Ryzhkov, Ruslan F. Nasybullin
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 146:631-635
Sodium acetate-catalyzed multicomponent reaction of aldehydes, 3-methyl-2-pyrazoline-5-one, and malononitrile initiated by grinding in mortar in the presence of small quantities of water results in the fast (15 min) and efficient formation of substit
Autor:
Michail N. Elinson, V. A. Korolev, Fedor V. Ryzhkov, Anatoly N. Vereshchagin, Tatiana A. Zaimovskaya, Mikhail P. Egorov
Publikováno v:
Mendeleev Communications. 26:399-401
The new one-pot multicomponent assembling of isatins, malononitrile and 4 hydroxy-6-methylpyridin-2(1H)-ones into previously unknown 2’-amino-7’-methyl-2,5’-dioxo-5’,6’-dihydrospiro[indoline-3,4’-pyrano[3,2-c]pyridine]-3’-carbonitriles
Publikováno v:
Mendeleev Communications. 25:185-187
Non-catalytic solvent-free assembling of aldehydes, dimedone and malononitrile at ambient temperature affords substituted 5,6,7,8-tetrahydro-4H-chromenes in 88–98% yields.
Autor:
Michail N. Elinson, Evgeniya O. Dorofeeva, Gennady I. Nikishin, Tatiana A. Zaimovskaya, Nikita O. Stepanov, Anatolii N. Vereshchagin
Publikováno v:
Tetrahedron. 69:1945-1952
Electrolysis of aldehydes, barbituric acids, and malononitrile in alcohol in an undivided cell in the presence of sodium bromide results in efficient MHIRC formation of the corresponding spirocyclopropylbarbiturates in 50–65% substance yield. The e
Publikováno v:
ChemInform. 47
Solvent-free sodium acetate catalyzed multicomponent reaction of isatins, malononitrile, and dimedone initiated by grinding in mortar results in the fast and efficient formation of substituted spirooxindoles in 90–99 % yields. The developed solvent
Autor:
Tatiana A. Zaimovskaya, Ruslan F. Nasybullin, Olga O. Sokolova, Mikhail P. Egorov, Michail N. Elinson
Publikováno v:
ChemInform. 47
Title compounds (IV) are efficiently and eco-friendly synthesized within very short reaction times without the need of any catalyst.
Autor:
Evgeniya O. Dorofeeva, Michail N. Elinson, Anatolii N. Vereshchagin, Gennady I. Nikishin, Pavel A. Belyakov, Tatiana A. Zaimovskaya, Nikita O. Stepanov, Sergey V. Gorbunov
Publikováno v:
Tetrahedron. 68:1198-1206
Electrocatalytic assembling of aldehydes and N,N′-dialkylbarbituric acids leads to selective and efficient formation of substituted 1,5-dihydro-2H,2′H-spiro[furo[2,3-d]pyrimidine-6,5′-pyrimidine]-2,2′,4,4′,6′-(1′H,3H,3′H)-pentones in