Search Results - "Mamyan, S. S."

Synthesis, Some Transformations, and Antibacterial Activity of 5H-Spiro[benzo[h][1,2,4]triazolo[3,4-b]quinazoline-6,1′-cycloheptane]-7(11H)-ones by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. H., Mamyan, S. S., Ayvazyan, A. A., Arakelyan, H. H.

“…Condensation of 2-thioxo-2,3-dihydro-1 H -spiro[benzo[ h ]quinazoline-5,1′-cycloheptane]-4(6 H )-one with hydrazine hydrate afforded 2-hydrazinyl-3 H…”
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Synthesis and Antibacterial Activity of New 3-Benzylspiro[benzo[h]quinazoline-5,1′-cycloheptan]-4(6H)-one Derivatives by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. A., Mamyan, S. S., Muradyan, R. E.

“…The condensation of 3-benzyl-2-sulfanylidene-2,3-dihydro-1 H -spiro[benzo[ h ]quinazoline-5,1′-cyclo­heptan]-4(6 H )-one with…”
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Synthesis and Prediction of Antitumor Activity of New Fused Pyrano[3,4-c]pyridines and Pyrano[4′,3′:4,5]pyrido[2,3-d]pyrimidines by Dashyan, Sh. Sh, Paronikyan, E. G., Ayvazyan, A. S., Mamyan, S. S., Hunanyan, L. S.

“…One-pot methods were developed for the preparation of 6-amino-3-isopropyl-7-aryl substituted-8-thioxo(oxo)pyrano[3,4- c ]pyridines derivatives. The latter…”
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NMR Parameters of Imidazolium Ionic Liquids as Indicators of Their State and Properties in Aqueous Solutions by Shahkhatuni, A. A., Shahkhatuni, A. G., Mamyan, S. S., Ananikov, V. P., Harutyunyan, A. S.

“…Seven 1-methylimidazolium-based ionic liquids (ILs) and their aqueous solutions were systematically investigated in order to explore how the NMR spectroscopic…”
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Synthesis of tetracyclic thienotriazolopyridines based on hydrazine derivatives of fused pyridinethiones by Paronikyan, E. G., Dashyan, Sh. Sh, Harutyunyan, A. S., Mamyan, S. S., Safaryan, E. S.

“…A method for the synthesis of hydrazine derivatives of fused pyridinethiones based on alicyclic and heterocyclic ketones has been developed. Successive…”
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Synthesis and Psychotropic Properties of Novel Condensed Triazines for Drug Discovery by Paronikyan, Ervand G, Dashyan, Shushanik Sh, Mamyan, Suren S, Paronikyan, Ruzanna G, Nazaryan, Ivetta M, Balyan, Kristine V, Gasparyan, Hrachik V, Buloyan, Sona A, Hunanyan, Lernik S, Hobosyan, Nina G

“…The exploration of heterocyclic compounds and their fused analogs, featuring key pharmacophore fragments like pyridine, thiophene, pyrimidine, and triazine…”
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Some Transformations of 3-(2,2-Dimethyltetrahydro-2H-pyran-4-yl-2-thioxo-2,3-dihydro-1H-spiro(benzo[h]quinazoline-5,1'-cycloheptan)-4(6H)-one by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. H., Mamyan, S. S.

“…Starting from 3-(2,2-dimethyltetrahydro-2 H -pyran-4-yl)-2-thioxo-2,3-dihydro-1 H -spiro(benzo[ h ]quinazoline-5,1'-cycloheptan)-4(6 H )-one, a series of…”
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Synthesis and Some Reactions of 3-Aminospiro[benzo[h]quinazoline-5,1′-cycloheptanes] by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. A., Mamyan, S. S.

“…Methods have been developed for the synthesis of acyl and diacyl derivatives of 1′ H -spiro[cyclo­heptane-1,2′-naphthalenes] and 2′-substituted…”
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Synthesis, Some Transformations, and Biological Properties of 3-Phenethyl-2-Thioxo-2,3-Dihydro-1H-spiro[Benzo[H]Quinazoline-5,1′-Cycloheptane]-4(6H)-Ones by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. A., Mamyan, S. S., Avakimyan, J. A., Martirosyan, L. A.

“…The reaction of ethyl 4′-amino-1′ H -spiro[cycloheptane-1, 2′-naphthalene]-3′-carboxylate with phenethylisothiocyanate followed by cyclization of the…”
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Synthesis and Thione–Thiol Tautomerism of 5-Thioxopyrano[3,4-c][1,2,4]triazolo[4,3-a]pyridines by Paronikyan, E. G., Dashyan, Sh. Sh, Mamyan, S. S.

“…A method for the synthesis of derivatives of 8-hydrazino 6-thioxopyrano[3,4- c ]pyridine has been developed. Derivatives of…”
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Synthesis and Antibacterial and Antitumor Activity of 2-Sulfanyl-Substituted 3H-Spiro[Benzo[H]Quinazoline-5,1′-Cycloheptane]-4(6H)-Ones by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. H., Mamyan, S. S., Arsenyan, F. H., Safaryan, A. S., Arakelyan, H. H.

“…The reaction of ethyl 4′-amino-1′ H -spiro[cycloheptane-1,2′-naphthalene]-3′-carboxylate with benzoyl isothiocyanate produced ethyl 4′-(3-benzoylthioureido)-1′…”
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Synthesis and Antitumor and Antibacterial Properties of 3-Benzyl-Spiro[Benzo[h005DQuinazoline-5,1'-Cycloheptane]-4(6H)-One Derivatives by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. H., Mamyan, S. S., Arsenyan, F. H., Safaryan, A. S., Arakelyan, H. H.

“…The reaction of ethyl 4 ' -amino-1 'H -spiro[cycloheptane-1,2 ' -naphthalene]-3 ' -carboxylate and benzylisothiocyanate followed by cyclization of the…”
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Efficient Synthesis and Some Transformations of 1-Hydrazinyl-5,6,7,8-tetrahydroisoquinolines Involving Rearrangement of the Pyridine Ring by Paronikyan, E. G., Dashyan, Sh. Sh, Mamyan, S. S., Tamazyan, R. A., Ayvazyan, A. G.

“…—A procedure was developed for the synthesis of 1-hydrazinyl-3-arylamino-5,6,7,8-tetrahydroisoquinoline- 4-carbonitriles via recyclization of the pyridine ring…”
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Synthesis and Biological Activity of 3-Substituted 1H-Spiro[Benzo[h ]-Quinazoline-5,1'-Cycloheptane]-2,4(3H,6H)-Diones by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. H., Mamyan, S. S., Arsenyan, F. H., Muradyan, R. E., Avakimyan, J. A.

“…A method for the synthesis of ethyl 4 ' -(phenoxycarbonylamino)-1 ' H-spiro[cycloheptane-1,2 ' -naphthalene]-3 ' -carboxylate from ethyl 4 ' -amino-1 '…”
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Synthesis and Antitumor and Antibacterial Activity of Novel Dihydronaphthaline and Dihydrobenzo[H]Quinazoline Derivatives by Markosyan, A. I., Airapetyan, K. K., Gabrielyan, S. A., Mamyan, S. S., Shirinyan, V. Z., Zakharov, A. V., Arsenyan, F. G., Avakimyan, Dzh. A., Stepanyan, G. M.

“…A method for the synthesis of 1-amino-3,3-dimethyl-3,4-dihydronaphthaline-2-carbonitrile (β-aminonitrile) was developed and used to synthesize Schiff bases,…”
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Some Transformations of 2-(Chloromethyl)-5,5-dimethyl-5,6-dihydrobenzo[h]quinazolin-4(3H)-one by Markosyan, A. I., Hayrapetyan, K. K., Gabrielyan, S. H., Shirinyan, V. Z., Mamyan, S. S., Avakimyan, J. A., Stepanyan, G. M.

“…The condensation of 1-amino-3,3-dimethyl-3,4-dihydronaphthalene-2-carbonitrile with chloroacetyl chloride afforded chloro- N…”
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Synthesis and Antitumor and Antibacterial Properties of New N-Alkylated Pyrimidines by Arutyunyan, A. A., Mamyan, S. S., Stepanyan, H. M., Paronikyan, R. V.

“…Uracil and 5-fluoro-, -bromo-, and -iodouracils were alkylated by substituted benzylchlorides to obtain N 1- mono - and N 1 , N 3 - bis -substituted…”
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Proton–deuterium exchange of acetone catalyzed in imidazolium-based ionic liquid–D2O mixtures by Shahkhatuni, Astghik A, Shahkhatuni, Aleksan G, Mamyan, Suren S, Ananikov, Valentine P, Harutyunyan, Arpine S

“…The reaction of the proton–deuterium exchange of acetone in imidazolium-based ionic liquid (IL)–deuterium oxide mixtures was studied in detail via NMR…”
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Synthesis, evaluation of biological activity and SAR of new thioalkyl derivatives of pyridine by Sh. Dashyan, Shushanik, Babaev, Eugene V., Ayvazyan, Armen G., Mamyan, Suren S., Paronikyan, Ervand G., Nikoghosyan, Tigranuhi A., Hunanyan, Lernik S., Paronikyan, Ruzanna G.

“…[Display omitted] •New Ethyl 2-thioalkyl-4-phenyl-6-(cycloamine)nicotinate derivatives were synthesized in high yield based on thiopyranthione and fully…”
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Proton-deuterium exchange of acetone catalyzed in imidazolium-based ionic liquid-D 2 O mixtures by Shahkhatuni, Astghik A, Shahkhatuni, Aleksan G, Mamyan, Suren S, Ananikov, Valentine P, Harutyunyan, Arpine S

“…The reaction of the proton-deuterium exchange of acetone in imidazolium-based ionic liquid (IL)-deuterium oxide mixtures was studied in detail NMR…”
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