Výsledky vyhledávání - "I. K. Kozlova"

Autor: O. A. Luk'yanov, I. K. Kozlova, I. V. Kalinina, Shitov Oleg P, Y. A. Tartakovsky, Yu. Y. Konnova

Publikováno v: Russian Chemical Bulletin. 45:863-867

N,N-Dinitro derivatives of alkylurethanes, benzamide, andp-toluenesulfamide were synthesized for the first time. Their reactions with ammonia afforded the ammonium salt of dinitramide in 44–85% yields.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24890cc8e3cfbb54560a0a7d77aaaa6c
https://doi.org/10.1007/bf01431313

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ChemInform Abstract: Dinitramide and Its Salts. Part 10. Synthesis of Dinitramide Salts from N,N-Dinitramides of Organic Acids

Autor: Shitov Oleg P, V. A. Tartakovskii, O. A. Luk'yanov, Yu. V. Konnova, I. V. Kalinina, I. K. Kozlova

Publikováno v: ChemInform. 27

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24cb6a4c255fe5a15670b9010519a715
https://doi.org/10.1002/chin.199642055

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The chemistry of nitroimides. 2. hydrolysis and alcoholysis of nitromides

Autor: I. K. Kozlova, V. A. Tartakovskii, O. A. Luk'yanov

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 30:2116-2123

1. During the hydrolysis of nitroimides, the N-NO2 bond generally undergoes splitting, most likely due to the acid catalysis caused by the HNO3 formed. In the absence of acid catalysis the N-SO2 bond is split in the case of the hydrolysis of nitrosac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f14742f2fc44077b3d5ec9b90da1f06f
https://doi.org/10.1007/bf01094641

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The chemistry of nitroimides. 3. Alkaline hydrolysis and alcoholysis of nitroimides and their reactions with ammonia, amines, and potassium iodide

Autor: I. K. Kozlova, O. A. Luk'yanov, V. A. Tartakovskii

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 30:2124-2132

1. Several electrophilic centers, as a rule, simultaneously undergo nucleophilic attack during the alkaline hydrolysis and alcoholysis of nitroimides. 2. Nitroimides containing two SO2 groups are split under the anions of OH− or OR− ions at the N

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b460839a0ba04662be3c0430885b01e
https://doi.org/10.1007/bf01094642

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Glycosylation of o-acylamino derivatives of 4-methyl-7-hydroxy-coumarin

Autor: I. K. Kozlova

Publikováno v: Chemistry of Heterocyclic Compounds. 23:496-499

Certain glycopyranosides of o-acylamino-4-methyl-7-hydroxycoumarin were studied. They have potential application as fluorogenic substrates for a number of enzymes in biochemical diagnostics of hereditary diseases.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::132b60727a7097f6eb5852542a8d8d23
https://doi.org/10.1007/bf00476373

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Synthesis of o-acylamino-4-methyl-7-hydroxycoumarins (4-methylumbelliferones)

Autor: I. K. Kozlova

Publikováno v: Chemistry of Heterocyclic Compounds. 21:750-753

Some acylated o-amino-7-hydroxycoumarins have been obtained which may be used as intermediates in the preparation of fluorogenic substrates for certain enzymes.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8207ee485bd81e6e6321bfa52ce5139
https://doi.org/10.1007/bf00519138

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Microbiological transformations of steroids

Autor: Leonid M. Kogan, N. N. Suvorov, I. V. Ulezlo, I. K. Kozlova, I. V. Torgov, G. K. Skryabin, S. L. Portnova

Publikováno v: Bulletin of the Academy of Sciences, USSR Division of Chemical Science. 13:1908-1913

A culture ofActinomyces albus 3006 can effect the selective and stereospecific reduction of the C-20 keto group of corticosteroids and their Δ1-dehydro analogs with formation of the corresponding 20β-hydroxy compounds.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36fab753f70c8d4d8c5a7c417577a3cd
https://doi.org/10.1007/bf00844486

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Chemistry of nitro imides

Autor: I. K. Kozlova, O. A. Luk'yanov, V. A. Tartakovskii

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 30:1712-1714

1. A general preparative method for the synthesis of nitro imides by nitration of salts of imides with nitronium salts was developed. 2. A number of bifunctional derivatives of nitramide that contain various combinations of carbo, sulfo, and carboxy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0ded47e97ac815d8005fe3da843bab4
https://doi.org/10.1007/bf00949479

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Reaction of N-chloro-N-nitroamides of arylsulfonic acids with olefins

Autor: V. A. Tartakovskii, O. A. Luk'yanov, I. K. Kozlova

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 25:402-404

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a5b8aa5b137729492cf1e7136736334
https://doi.org/10.1007/bf00922486

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[A study of various properties of beta-galactocerebrosidase from human chorion using synthetic fluorescent substrates]

Autor: N A, Petushkova, I K, Kozlova, I V, Tsvetkova, G Ia, Vidershaĭn

Publikováno v: Biokhimiia (Moscow, Russia). 53(9)

The properties of beta-galactocerebrosidase from human chorionic villi, cultured chorionic villi and cultured skin fibroblasts were compared, using 6-hexadecanoylamino-4-methylumbelliferyl-beta-D-galactopyranoside (HMGaL) as substrate. The effects of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a1b456adde5cd8895506367b57c993c9
https://pubmed.ncbi.nlm.nih.gov/3203114

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