Search Results - "Gabrielyan, S. A."

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 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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Some Transformations of 4′-Amino-1′H-spiro[cycloheptane-1,2′-naphthalene]-3′-carbonitrile by Markosyan, A. I., Ayvazyan, A. S., Gabrielyan, S. A., Danghyan, M. Yu, Shirinyan, V. Z., Arsenyan, F. H.

“…The corresponding Schiff bases were synthesized by condensation of 4′-amino-1′ H -spiro[cycloheptane-1,2′-naphthalene]-3′-carbonitrile with anilines. The…”
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Synthesis and antineoplastic and antimonoamineoxidase properties of new benzo[H]quinazoline derivatives by Markosyan, A. I, Dilanyan, S. V, Gabrielyan, S. A, Arsenyan, F. G, Sukasyan, R. S, Garibdzhanyan, B. T

“…N'-{[(2-cyano-3-ethyl-3-methyl-3, 4-dihydronaphthalen-1-yl)amino]carbonothionyl}benzamide (II) was synthesized by reaction of…”
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Synthesis, antineoplastic and antimonoamineoxidase activity of new spiro-derivatives of benzo[h]quinazolines by Markosyan, A. I, Gabrielyan, S. A, Arsenyan, F. G, Sukasyan, R. S, Sarkisyan, I. S

“…The condensation of 4-amino-3-cyano-1,2-dihydrospiro(naphthalene-2,1'-cyclopentane) with y-chlorobutyryl chloride and aromatic acid chlorides yielded amides…”
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THE ACCELERATED METHOD FOR IDENTIFICATION OF PATHOGENIC CORYNEBACTERIUM by Gabrielyan, S. A.

“…The detection of cystinase activity is one of most important tests in the laboratory diagnosis of diphtheria, giving the opportunity to differentiate potential…”
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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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IN VITRO METHOD FOR EXPRESSION OF TOXIN PRODUCTION IN NON-TOXIGENIC CORYNEBACTERIUM SPP. WITH “SILENT” TOX-GENE by Gabrielyan, S. A.

“…The «in vitro method» for expression of toxin-production by phenotypically non-toxigenic strains of C. diphtheriae containing the “silent” toxin gene has been…”
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Synthesis and Biological Activity of New 3-Ethyl-2-Thioxo-2,3-Dihydro-1H-Spiro[Benzo[h]-Quinazolin-5,1′-Cyclohexane]-4(6H)-One Derivatives by Markosyan, A. I., Gabrielyan, S. A., Arsenyan, F. G., Sukasyan, R. S.

“…2-Sulfanyl-substituted 3-ethyl-3 H -spiro[benzo[ h ]quinazolin-5,1′-cyclohexane]-4(6 H )-ones were synthesized by reacting 3-ethyl-2-thioxo-2,3-dihydro-1 H…”
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Synthesis, antineoplastic and antimonoamineoxidase activity of 3-allyl-4-oxo-2-thioxo-1,2,3,4,5,6-hexahydrospiro(benzo[h]quinazoline-5,1'-cyclohexanes) by Markosyan, A. I, Gabrielyan, S. A, Arsenyan, F. G, Sukasyan, R. S

“…Reaction of 4-amino-3-ethoxycarbonyl-1,2-dihydrospiro(naphthalene-2,1'-cyclohexane) with allylisothiocyanate was used to synthesize…”
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Synthesis and Anti-Monoamine Oxidase and Antitumor Properties of Novel 3H-Spiro[Benzo[H] Quinazoline-5,1′-Cyclohexane]-4(6H)-One Derivatives by Markosyan, A. I., Gabrielyan, S. A., Arsenyan, F. G., Sukasyan, R. S.

“…Amides that cyclized into 2-substituted 3 H -spiro[benzo( h )quinazoline-5,1′-cyclohexane]-4(6 H )-ones were prepared by reaction of…”
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Rearrangement-cyclization of dialkyl(4-hydroxybut-2-ynyl)meth-allyl- and dialkylcrotyl(4-hydroxy-but-2-ynyl) ammonium halides by Chukhajian, E. O, Gabrielyan, A. S, Chukhajian, El. O, Shahkhatuni, K. G, Panosyan, H. A

“…It was found that dialkyl(4-hydroxybut-2-ynyl)methallyl- and dialkylcrotyl(4-hydroxybut-2-ynyl)- ammonium halides undergo a Stevens rearrangement under the…”
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Behavior of dialkylallyl(4-hydroxybut-2-ynyl)ammonium bromides toward powdered sodium hydroxide and aqueous alkali by Chukhadjian, E. O, Gabrielyan, A. S, Gevorkyan, A. R, Panosyan, G. A, Karapetyan, T. D

“…Under the influence of a twofold molar quantity of powdered sodium hydroxide in the presence of a few drops of methanol at room temperature…”
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Synthesis and antitumor properties of new spiro(benzo[h]quinazoline-7,1′-cyclohexane) derivatives by Markosyan, I. I., Gabrielyan, S. A., Panosyan, G. A., Arsenyan, F. G., Garibdzhanyan, B. T.

“…4-Amino-3-cyano-1,2-dihydrospiro(naphathaline-2,1′-cyclohexane) (aminonitrile) was converted by interaction with p -tolyl acid chloranhydride into…”
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Some Transformations of 2-Thioxo-2,3-Dihydro-1H-Spiro-[Benzo[h]Quinazoline-5,1′-Cycloheptan]-4(6H)-One and the Antibacterial and Antitumor Properties of the Compounds Synthesized by Markosyan, A. I., Aivazyan, A. S., Gabrielyan, S. A., Mamyan, S. S., Aivazyan, A. G., Avakimyan, Dzh. A., Arsenyan, F. G.

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Some Transformations of 4'-Amino-1'H-spiro[cycloheptane-1,2'-naphthalene]-3'-carbonitrile by Markosyan, A. I, Ayvazyan, A. S, Gabrielyan, S. A, Danghyan, M. Yu, Shirinyan, V. Z, Arsenyan, F. H

“…The corresponding Schiff bases were synthesized by condensation of 4'-amino-1'H-spiro[cycloheptane-1,2'-naphthalene]-3'-carbonitrile with anilines. The…”
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Synthesis and Antiproliferative Activity Evaluation of Aryl(Hetaryl)Cyclopentenone Analogs of Combretastatin A-4 by Shirinyan, V. Z., Markosyan, A. I., Baryshnikova, M. A., Yaminova, L. V., L’vov, A. G., Gabrielyan, S. A.

“…A series of previously unreported di- and triaryl(hetaryl)cyclopentenone derivatives were prepared using a convenient synthetic method and screened…”
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Synthesis and Antiproliferative Activity Evaluation of ArylCyclopentenone Analogs of Combretastatin A-4 by Shirinyan, V. Z, Markosyan, A. I, Baryshnikova, M. A, Yaminova, L. V, L'vov, A. G, Gabrielyan, S. A

“…A series of previously unreported di- and triaryl(hetaryl)cyclopentenone derivatives were prepared using a convenient synthetic method and screened…”
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Transformations of dialkyl(4-hydroxy-2-butynyl)-(3-phenylallyl)ammonium bromides in an KOH aqueous solution or in the presence of powdered KOH by Chukhadjian, E. O., Gabrielyan, A. S., Chukhadjian, El. O., Shahkhatuni, K. G., Panosyan, G. A.

“…Under the action of a twofold excess of KOH and heating in aqueous solution, and also under the conditions of the Stevens rearrangement (with KOH powder and a…”
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