Výsledky vyhledávání - "A. E. Badasyan"

Synthesis of Ethyl 5-(Arylcarbamoyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylates

Autor: Henry A. Panosyan, A. E. Badasyan, K. A. Avagyan, S. S. Hayotsyan, M. S. Sargsyan, A. A. Sargsyan, A. G. Ayvazyan, S. G. Kon’kova, A. Kh. Khachatryan

Publikováno v: Russian Journal of Organic Chemistry. 55:469-472

A one-step procedure has been developed for the synthesis of previously unknown ethyl 5-(arylcarbamoyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylates by reaction of ethyl 2-cyano-3-ethoxyprop-2-enoate with acetoacetanilides in the presence of a c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ccc9b6c7f2e8381492a4ae7e668e3ab9
https://doi.org/10.1134/s1070428019040080

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Synthesis of Substituted 1,2-Dihydropyridines by the Reaction of (Ethoxymethylidene)cyanoacetic Ester and Arylamides of Acetoacetic Acid

Autor: A. Kh. Khachatryan, S. S. Hayotsyan, M. S. Sargsyan, A. A. Sargsyan, S. G. Kon’kova, K. A. Avagyan, A. E. Badasyan

Publikováno v: Russian Journal of Organic Chemistry. 55:282-286

The reaction of (ethoxymethylidene)cyanoacetic ester with arylamides of acetoacetic acid proceeds under heating in the presence of triethylamine or at room temperature in the presence of sodium ethoxide. According to the NMR and IR data, the intermed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fafb352b877a4c5c9eb3e4b172c96a0
https://doi.org/10.1134/s107042801902026x

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Synthesis of substituted dihydropyridines by reacting ethoxymethylidenemalonate with malonic acid N-arylamidoesters

Autor: A. Kh. Khachatryan, S. S. Hayotsyan, A. A. Sargsyan, A. G. Hasratyan, S. G. Kon’kova, G. A. Panosyan, A. E. Badasyan, M. S. Sargsyan

Publikováno v: Russian Journal of General Chemistry. 86:2332-2337

Reactions of ethoxymethylidenemalonate with malonic acid N-arylamidoesters in the presence of triethylamine afforded diethyl 1-aryl-6-hydroxy-2-oxo-1,2-dihydropyridine-3,5-dicarboxylates via the cyclization of Michael adducts. In the presence of sodi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de6a631fedfbf34934ebc15bfd82983d
https://doi.org/10.1134/s1070363216100145

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Synthesis of substituted 1,2-dihydropyridines by reaction of ethyl N-arylmalonamates with ethyl 2-(ethoxymethylidene)-3-oxobutanoate

Autor: A. Kh. Khachatryan, S. G. Kon’kova, S. S. Hayotsyan, M. S. Sargsyan, A. E. Badasyan, A. H. Hasratyan, A. A. Sargsyan

Publikováno v: Russian Journal of Organic Chemistry. 52:857-861

Michael addition of ethyl N-arylmalonamates to ethyl 2-(ethoxymethylidene)-3-oxobutanoate in ethanol in the presence of triethylamine at room temperature afforded the corresponding adducts which underwent cyclization to diethyl 1-aryl-6-methyl-2-oxo-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a5e46a8f4d66103fa634ffce624f0c7
https://doi.org/10.1134/s1070428016060166

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The role of retro-Michael reaction in the synthesis of 5-carbamoyl-2-pyridones by reaction of dialkyl ethoxymethylidenemalonates with acetoacetamides

Autor: Mushegh S. Sargsyan, Alik E. Badasyan, S. S. Hayotsyan, Svetlana G. Końkova, Henry A. Panosyan, Ani H. Hastratyan, Anush Kh. Khachatryan

Publikováno v: Chemistry of Heterocyclic Compounds. 51:682-687

The reaction of dialkyl ethoxymethylidenemalonates with arylamides of acetoacetic acid was studied for the purpose of creating a new method for the synthesis of substituted 2-pyridones containing a carbamoyl group. This reaction was shown to occur in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd75e2b18fdff9bdf096a69f9f3cf3fb
https://doi.org/10.1007/s10593-015-1757-7

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Synthesis of Substituted 2-Pyridones Using Arylamidoesters of Malonic Acid

Autor: A. Kh. Khachatryan, S. S. Hayotsyan, M. S. Sargsyan, G. A. Panosyan, A. H. Hasratyan, S. G. Kon’kova, A. G. Ayvazyan A. E. Badasyan

Publikováno v: Chemistry of Heterocyclic Compounds. 50:1126-1132

With the aim of developing of the new methods for the synthesis of substituted 2-pyridones, the reaction of arylamidoesters of malonic acid with ethoxymethylideneacetylacetone in the presence of triethylamine in ethanol solution was studied. NMR spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d58f9a90ec418caf0d44e0f73e2c8a79
https://doi.org/10.1007/s10593-014-1572-6

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Synthesis of ethyl 5-acetyl-1-R-4-aryl-6-hydroxy-6-methyl-2-oxopiperidine-3-carboxylates

Autor: M. S. Sargsyan, S. G. Kon’kova, A. E. Badasyan, A. Kh. Khachatryan, S. S. Hayotsyan, G. A. Panosyan

Publikováno v: Chemistry of Heterocyclic Compounds. 48:1805-1808

The reaction of arylidene acetylacetones and ethoxycarbonylacetamides in the presence of triethyl-amine was found to lead to the formation of ethyl 5-acetyl-1-R-4-aryl-6-hydroxy-6-methyl-2-oxo-piperidine-3-carboxylates.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::582c92cd3e8269f2b14781530f5b342a
https://doi.org/10.1007/s10593-013-1212-6

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Synthesis of substituted 5-N-(R)amino-4-cyclohexyl-1-ols by the reaction of secondary enaminones of β-dicarbonyl compounds with chalcones

Autor: A. Kh. Khachatryan, S. S. Hayotsyan, A. E. Badasyan, M. S. Sargsyan, S. G. Kon’kova

Publikováno v: Russian Journal of General Chemistry. 81:2157-2163

Reaction of secondary enaminones of acetylacetone or acetoacetic ester with chalcones at room temperature, is shown to lead to 5-N-(R)amino-4-cyclohexen-1-ols, distinctly to the reaction of the related primary derivatives leading to 1,4-dihydropyridi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aadd32ff82ffb6e61227f9c35f49c7cb
https://doi.org/10.1134/s1070363211100203

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