Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Yu. F. Malina"'
Publikováno v:
ChemInform. 22
Tricyclic tetrahydro-1,3-oxazines-5,6-trimethylenetetrahydro-1,3-oxazine-4-spirocyclopentanes IV, V, and VII — were synthesized on the basis of 2-(1-isothiocyanatocyclopentyl)cyclopentanone (I). The reductive cyclization of the latter by the action
Autor:
Yu. F. Malina, L. N. Knyaz'kova, V. F. Shchegel'skii, B. V. Unkovskii, I. P. Boiko, T. D. Sokolova
Publikováno v:
ChemInform. 24
Autor:
B. V. Unkovskii, T. D. Sokolova, Yu. F. Malina, V. F. Shchegel'skii, I. P. Boiko, L. N. Knyaz'kova
Publikováno v:
Chemistry of Heterocyclic Compounds. 28:1225-1228
The reaction of phenyl isothiocyanate with 1,3-amino alcohols was used to synthesize substituted N-phenylthioureas, for which cyclization under the influence of mineral acids to give substituted 5,6-dihydro-4H-1, 3-thiazines was studied.
Publikováno v:
Chemistry of Heterocyclic Compounds. 26:1048-1051
Tricyclic tetrahydro-1,3-oxazines-5,6-trimethylenetetrahydro-1,3-oxazine-4-spirocyclopentanes IV, V, and VII — were synthesized on the basis of 2-(1-isothiocyanatocyclopentyl)cyclopentanone (I). The reductive cyclization of the latter by the action
Autor:
A. V. Peretokin, Yu. F. Malina, M. Ya. Botnikov, I. V. Miroshnichenko, A. S. Moskovkin, B. V. Unkovskii
Publikováno v:
ChemInform. 21
Reaction of the aminomethylcyclohexanols (I) or (IV) with carbon disulfide (II) gives the perhydrobenzoxazinethiones (III) and (V) respectively.
Publikováno v:
Chemistry of Heterocyclic Compounds. 12:81-85
The basicities of the geometrical isomers of some piperidine derivatives in 50% (by volume) aqueous methanol at 25° were studied. Compounds with an axial OH group have higher basicities than their epimers with an equatorial OH group. The observed pr
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:1391-1394
The corresponding stereoisomeric p-nitrobenzoates were obtained by reaction of the geometrical isomers of 1,3-dimethyl-, 1,2,5-trimethyl-, and 1-tert-butyl-3-methyl-4-hydroxypiperidines with p-nitrobenzoyl chloride. The stereoisomers of the correspon
Autor:
Yu. F. Malina, M. Ya. Botnikov, A. S. Moskovkin, B. V. Unkovskii, I. V. Miroshnichenko, A. V. Peretokin
Publikováno v:
Chemistry of Heterocyclic Compounds. 25:1390-1393
The syntheses and mass spectra of 5,6-tetramethylenetetrahydro-1,3-oxazine-2-thione and its 4-mono- and 4,4-disubstituted analogs are reported. The primary decay processes under electron impact are loss of the 1,3-oxazine ring, formation of hydrocarb
Autor:
S. I. Gavrilova, Yu. F. Malina, K. I. Romanova, Yu. V. Kolosov, T. D. Sokolova, B. V. Unkovskii
Publikováno v:
Chemistry of Heterocyclic Compounds. 9:979-983
In order to study the interrelationship between the structure, reactivity, and spectroscopic characteristics of the stereoisomeric piperidines, starting from 1-tert-butyl-3-methylpiperidin-4-one the synthesis has been performed of the geometric isome
Publikováno v:
Chemistry of Heterocyclic Compounds. 9:42-46
Stereoisomers of the corresponding 4-substituted 1,2,5-trimethyl-4-acetoxy- and 1,2,5-trimethyl-4-benzoxypiperidines were obtained by acylation of the geometrical isomers of 1,2, 5-trimethyl-4-piperidol and its 4-ethynyl, 4-ethyl, and 4-phenyl-substi