Výsledky vyhledávání - "A. K. Shanazarov"

Lactam and acid amide acetals. 63. Reaction of amide acetals with enaminodicarbonyl compounds

Autor: V. G. Granik, A. K. Shanazarov, N. P. Solov'eva, V. V. Chistyakov

Publikováno v: Chemistry of Heterocyclic Compounds. 27:178-182

Corresponding dienediaminodicarbonyl compounds were synthesized by the reactions of a series of dimethylaminomethylenedicarbonyl compounds with N,N-dimethylacetamide and N-methylcaprolactam diethylacetals. In the reaction of N-methylvalerolactam diet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::986c129b36284dd5121eccd15c68a53a
https://doi.org/10.1007/bf00476753

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Acetals of lactams and amides. 60. N- and O-alkylation of 5-oxo-5,6,7,8-tetrahydrocarbostyryils. Synthesis of isoxazolo[5,4-f]- and pyrazolo[3,4-f]quinolines

Autor: V. V. Chistyakov, V. A. Kuzovkin, V. G. Granik, A. K. Shanazarov

Publikováno v: Chemistry of Heterocyclic Compounds. 27:71-76

The alkylation of 5-oxo-5,6,7,8-tetrahydrocarbostyrils has been examined by GLC. It has been found that, irrespective of the reaction conditions and the alkylating agent used, both N- and O-alkylation occur. When triethyloxonium fluoroborate and N,N-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb515bc250d0224921cc45d7f9ae6f29
https://doi.org/10.1007/bf00633222

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Improved method of synthesizing 2,2-dimethyl-4,6-dioxo-1,3-dioxane (Meldrum's Acid)

Autor: B. V. Shemeryankin, A. K. Shanazarov, M. I. Lakoza, A. M. Poznyak, V. G. Granik, I. N. Nesterova

Publikováno v: Pharmaceutical Chemistry Journal. 28:583-585

In the current report we attempt to study in detail the principal stages of the process, from the synthesis of the starting acid II to its cyclization into Meldnnn's acid, with a view to establishing a production technique that would be viable on an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cc71b65b97bee0cd4c2227885ca9b1b
https://doi.org/10.1007/bf02219035

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ChemInform Abstract: Synthesis and Pharmacological Activity of Pyrano- and Pyrido(3,2-a)carbazole Derivatives

Autor: N. I. Andreeva, A. K. Shanazarov, M. D. Mashkovskii, V. G. Granik, S. M. Golovina

Publikováno v: ChemInform. 21

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10be607f42742a05e6ede24f3d1dacd4
https://doi.org/10.1002/chin.199020202

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Acetals of lactams and acid amides. 48. Reaction of enamino diketones with amide crystals. Synthesis of derivatives of coumarin and carbostyril

Autor: V. V. Chistyakov, A. K. Shanazarov, V. G. Grannik, I. V. Persianova, N. P. Solov'eva, Yu. N. Sheinker

Publikováno v: Chemistry of Heterocyclic Compounds. 23:1171-1177

It was established that the reaction of derivatives of 2-aminomethylenecyclohexane-1,3-dione with N,N-dimethyl-diethylacetal gives dienediamines, heating of which in aqueous hydrochloric acid leads, depending on the structure, to derivatives of carbo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43ee9e06ebe8115a96cb756f0ee4f15e
https://doi.org/10.1007/bf00479362

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Synthesis and pharmacological activity of derivatives of pyrano- and pyrido-[3,2]carbazoles

Autor: M. D. Mashkovskii, N. I. Andreeva, S. M. Golovina, A. K. Shanazarov, V. G. Granik

Publikováno v: Pharmaceutical Chemistry Journal. 23:807-811

The intramolecular cyclization of diaminodienyl diketones la, b has been previously used [i~ 2] to synthesize coumarin derivatives IIa, b, the reaction of which with ammonium acetate gave substituted carbostyrils IIIa, b. The alkylation of the Na sal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18e9652f351138fe90c84dc3a1b6aea0
https://doi.org/10.1007/bf00764806

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Acetals of lactams and acid amides. 49. Reaction of N-methyl-2-pyrrolidone and N-methyl-2-piperidone acetals with enamino diketones

Autor: A. K. Shanazarov, V. V. Chistyakov, Yu. N. Sheinker, N. P. Solov'eva, V. G. Granik

Publikováno v: Chemistry of Heterocyclic Compounds. 23:1178-1182

It was established that acetals of lactams react with enamino diketones to give cyclic dienediamines. The dienediamines obtained in the reaction of N-methyl-2-pyrrolidone diethylacetal with 2-aminomethylenedimedone and 2-N,N-dimethyl-aminomethylenedi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b861d6e910f6fd22c27088e75171e319
https://doi.org/10.1007/bf00479363

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