Zobrazeno 1 - 10
of 23
pro vyhledávání: '"A. N. Andin"'
Autor:
Aleksander N. Andin
Publikováno v:
Chemistry of Heterocyclic Compounds. 57:26-30
A three-component condensation of cyclic enaminones, phenylglyoxal hydrate, and ethyl cyanoacetate in EtOH gave a number of 4,5,6,7-tetrahydroindole functional derivatives. The corresponding intermediates, 2,3,4,5,6,7-hexahydroindoles, are formed und
Autor:
A. N. Andin
Publikováno v:
Russian Journal of Organic Chemistry. 56:2254-2257
Heterocyclization of the adduct of 3-methyl-4,5-dihydro-1H-pyrazol-5-one and 1,4-diphenylbut-2-ene-1,4-dione by the action of amines gave a series of polysubstituted compounds containing isolated pyrrole and pyrazole rings.
Autor:
Vladimir A. Kaminsky, A. N. Andin, Yuliya V. Khudyakova, Oleg Yu. Slabko, Konstantin V. Maslov
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:1060-1064
The bisulfite adduct, formed upon treatment of (2,2'-methanediyl)biscyclohexanone with aqueos sodium bisulfite solution in the presence of acetic acid, subsequently reacted under the same conditions with certain aromatic and aliphatic primary amines,
Autor:
A. A. Krasnogorova, A. N. Andin
Publikováno v:
Russian Journal of Organic Chemistry. 55:1295-1298
Three-component condensation of cyclic enamino ketones with phenylglyoxal hydrate and ethyl acetoacetate in aqueous ethanol afforded a series of polyfunctionalized 3,3a,4,5,6,7,8,8a-octahydro-2H-furo-[2,3-b]indole derivatives.
Autor:
D. A. Shvalov, A. N. Andin
Publikováno v:
Russian Journal of Organic Chemistry. 54:1329-1332
Three-component condensation of heterocyclic chalcone analogs containing a thiophene ring with 5,5-dimethylcyclohexane-1,3-dione (dimedone) and ammonia at 140–145°C under pressure afforded functionalized 1,4,5,6,7,8-hexahydroquinoline derivatives;
Autor:
Alexandra S. Kuzmich, Maxim E. Zhidkov, Alexey Kantemirov, Alexey V. Koisevnikov, A. N. Andin
Publikováno v:
Tetrahedron Letters. 59:708-711
A simple approach towards the pyrido[1,2-a:3,4-b′]diindole system via the reaction of indigo with methylene active compounds was used for the syntheses of the marine alkaloids 6-oxofascaplysin, fascaplysin, and their derivatives. It was also demons
Publikováno v:
Russian Journal of General Chemistry. 87:33-36
New substituted barbituric acid derivatives containing a 4,5,6,7-tetrahydroindole moiety have been synthesized by three-component condensation. Luminescence of crystals and solutions of the compounds synthesized have been studied; a maximum luminesce
Publikováno v:
Russian Journal of Organic Chemistry. 52:1657-1660
Isatin and its 5-bromo derivative react with о-phenylenediamine and acetone in formic acid; products of this three-component condensation were isolated as perchlorates, from which for the first time bases were obtained, derivatives of 3-[(2,3-dihydr
Autor:
A. N. Andin
Publikováno v:
Russian Journal of Organic Chemistry. 54:804-806
Heating some derivatives of 5,6,7,8-tetrahydro-4Н-chromene and 1,2,5′,6′,7′,8′-hexahydrospiro-[indole-3,4′-chromene] in acid environment causes a hydrolytic degradation with the formation of functionally substituted carboxylic acids. A der
Autor:
A. V. Andina, A. N. Andin
Publikováno v:
Russian Journal of Organic Chemistry. 51:1043-1045
Multicomponent condensations offer quite efficient and convenient methods for the synthesis of polynuclear nitrogen-containing heterocycles which can thus be obtained in one step from accessible starting compounds. Three-component condensations invol