Výsledky vyhledávání - "L. A. Voronenko"

Stereochemistry of Nitrogen Heterocycles. Transformations of Stereoisomeric 1-chloro-2-methyl-4-keto-trans-decahydroquinolines in an acidic medium

Autor: L. A. Isakova, G. S. Litvinenko, L. A. Voronenko

Publikováno v: Chemistry of Heterocyclic Compounds. 24:906-914

It is shown that epimeric [with respect to the C(2) atom] 1-chloro-2-methyl-4-keto-trans-decahydroquinolines in an acidic medium undergo intermolecular monochlorination in the α position relatve to the carbonyl group with the formation of epimeric [

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b9643ca068f56dcba4b9424e867f5e8
https://doi.org/10.1007/bf00479348

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Stereochemistry of nitrogenous heterocycles. 61. Synthesis and configuration of an eighth isomer of 2-methyl-4-hydroxydecahydroquinoline

Autor: L. A. Voronenko, G. S. Litvinenko

Publikováno v: Chemistry of Heterocyclic Compounds. 23:200-204

Reduction of 1-benzoyl-2α-methyl-4-oxo-cis-decahydroquinoline with sodium borohydride and sodium in alcohol has given 1-benzoyl-2α-methyl-4Β-hydroxy-cis-decahydroquinoline, which exists in the steroidal conformation with diaxial α, α′-substitu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b5aea926935c0e1997abf8d251140323
https://doi.org/10.1007/bf00663862

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Stereochemistry of nitrogen heterocycles. 49. Synthesis and transformations of stereoisomeric 4-keto-2-methyl-n-chloro-trans-decahydroquinolines

Autor: G. S. Litvinenko, L. A. Voronenko

Publikováno v: Chemistry of Heterocyclic Compounds. 20:643-649

Epimeric (with respect to the methyl group) stereoisomers of 4-keto-2-methyl-1-chloro-trans-decahydroquinoline were obtained, and their transformations under the influence of triethylamine were investigated. It was shown that the direction of the tra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d66251a671be87a7bf98a2f541831757
https://doi.org/10.1007/bf00508674

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Stereochemistry of nitrogen heterocycles. 68. Stereochemistry of 2,5-dimethyl-4-piperidone, 2,5-dimethyl-4-piperidol, and their N-benzoyl derivatives

Autor: G. S. Litvinenko, L. P. Krasnomolova, L. A. Voronenko

Publikováno v: Chemistry of Heterocyclic Compounds. 25:796-804

The isomers of 1-benzoyl-2,5-dimethyl-4-piperidone were obtained and equilibrated (89.8% cis ⇄ 10.2% trans isomer, preferred conformations 2a, 5e, and 2a, 5a). The position of the equilibrium between the isomers of 2,5-dimethyl-4-piperidone was det

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2189d5b8aac951473f7da296f6dcacae
https://doi.org/10.1007/bf00472753

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