Zobrazeno 1 - 10
of 14
pro vyhledávání: '"T. R. Hovsepyan"'
Autor:
I. S. Danielyan, N. S. Minasyan, R. E. Muradyan, A. A. Harutyunyan, A. S. Aharonyan, L. E. Nersesyan, T. R. Hovsepyan, M. R. Hakobyan
Publikováno v:
Russian Journal of Organic Chemistry. 56:2137-2142
While developing new approaches to the design of biologically active compounds based on 1,2,4-triazole, a number of new hydrazones containing pharmacologically active benzofuran, 5-methylbenzofuran, 1,2,4-triazole, pyridine, indole, and 1,3-benzodiox
Publikováno v:
Russian Journal of Organic Chemistry. 56:1211-1216
One-pot three-component reactions of 2,6-diaminopyrimidin-4-(3H)-one with aromatic aldehydes and 1- or 2-naphthol afforded benzo[7,8]chromeno[2,3-d]pyrimidine and benzo[5,6]chromeno[2,3-d]pyrimidine derivatives, respectively. In both cases, the heter
Autor:
I. S. Danielyan, T. R. Hovsepyan, A. A. Harutyunyan, S. V. Dilanyan, L. E. Nersesyan, N. S. Minasyan, A. S. Agaronyan
Publikováno v:
Russian Journal of General Chemistry. 90:787-793
Bis-1,2,4-triazoles with aryl and alkyl linkers were synthesized. In order to increase their hydrophilicity and potential biological activity, pharmacophore electron-deficient groups (carboxylic, carboxamide, nitrile) were introduced into the molecul
Autor:
A. S. Agaronyan, M. R. Hakobyan, N. S. Minasyan, R. E. Muradyan, L. E. Nersesyan, T. R. Hovsepyan, I. S. Danielyan
Publikováno v:
Russian Journal of General Chemistry. 89:673-679
Continuing the search for biologically active compounds among functionally substituted azoles, new 1,2,4-triazole-3-thiols and 1,3,4-thiadiazoles derivatives bearing pharmacologically active carboxamide, hydroxyl or carboxyalkyl moieties, as well as
Publikováno v:
Russian Journal of General Chemistry. 88:1114-1119
A series of new pyrimido[4,5-b]quinoline derivatives was synthesized by three-component cyclocondensation of 2-R1-6-aminopyrimidine-4-ones, 5,5-dimethylcyclohexane-1,3-dione (dimedone), and aromatic or heterocyclic aldehydes in a water medium in the
Autor:
G. A. Panosyan, R. G. Melik-Ohanjanyan, T. R. Hovsepyan, L. E. Nersesyan, S. G. Israelyan, G. S. Karakhanyan
Publikováno v:
Russian Journal of Organic Chemistry. 54:107-111
One-step three-component cyclocondensation of 2,6-disubstituted pyrimidin-4(3H)-ones with 1,3-dicarbonyl compounds and some aromatic and heterocyclic aldehydes on heating or under microwave irradiation afforded new functionally substituted 5,8-dihydr
Autor:
N. S. Minasyan, M. R. Hakobyan, A. S. Agaronyan, R. V. Paronikyan, I. S. Danielyan, L. E. Nersesyan, T. R. Hovsepyan
Publikováno v:
Russian Journal of General Chemistry. 87:973-978
Aminomethylation and cyanoethylation reactions of 5-(4-alkoxybenzyl)-4-methyl(phenyl, allyl)-4H-1,2,4-triazole-3-thiols have been investigated. According to NMR spectroscopy data, the reactions occur at the nitrogen atom Ν2. The effect of the synthe
Publikováno v:
Russian Journal of General Chemistry. 86:1845-1849
2-Substituted 1,3,4-thiadiazole-5-thiol has been synthesized basing on hydrazide of 3-methoxy-phenoxyacetic acid. Methods of SH-alkylation, aminomethylation, and cyanoethylation of the product have been elaborated. Reactions of the starting hydrazide
Autor:
L. E. Nersesyan, R. V. Paronikyan, T. R. Hovsepyan, I. S. Danielyan, R. G. Melik-Ogandzhanyan, A. S. Agaronyan, F. G. Arsenyan
Publikováno v:
Pharmaceutical Chemistry Journal. 49:231-236
A series of new 3,4,5-substituted 1,2,4-triazoles were synthesized. Their SH-alkylation by various alkylating compounds and aminomethylation leading to the formation of Mannich bases were studied. The influence of the synthesized compounds on the lev
Autor:
A. G. Ayvazyan, Rafael Tamazyan, M. S. Ghukasyan, R. G. Melik-Ohanjanyan, T. R. Hovsepyan, S. G. Israelyan, G. S. Karakhanyan, Henry A. Panosyan
Publikováno v:
Russian Journal of Organic Chemistry. 51:361-367
New acyclic pyrimidine nucleosides, analogs of the antiviral drug acyclovir, were synthesized starting from 6-chloropyrimidine-2,4(1H,3H)-dione. The addition of side carbohydrate chain to the N1 or N3 atoms of the heterocyclic base with formation of