Zobrazeno 1 - 10
of 93
pro vyhledávání: '"K. A. V'yunov"'
Publikováno v:
Pharmaceutical Chemistry Journal. 25:829-834
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04222567ab87cabe008ea29d42006d0d
https://doi.org/10.1007/bf00767270
https://doi.org/10.1007/bf00767270
Publikováno v:
Chemistry of Heterocyclic Compounds. 26:689-693
The reaction of 2-amino-5-aryl-1,3,4-oxadiazoles with unsaturated acids and their chlorides was studied. It was shown by IR spectroscopy and mass spectrometry that acylation with acrylic, methacrylic, and cinnamic acid chlorides takes place at the ni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6af91081b735a58969c8a49deb039eb
https://doi.org/10.1007/bf00756427
https://doi.org/10.1007/bf00756427
Publikováno v:
Chemistry of Heterocyclic Compounds. 26:228-231
Reaction of 2-amino-5-R-phenyl-1,3,4-thiadizoles with unsaturated acids and acid chlorides in the presence of trimethylamine takes place exclusively at the amino group to form the 2-carboxyalkyl- and 2-acylamino- derivatives, respectively.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fad569b24d32f0fd0bb15851897c2c3
https://doi.org/10.1007/bf00499422
https://doi.org/10.1007/bf00499422
Publikováno v:
ChemInform. 21
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4ab7c822b5948a4cb745833fd3bb9af
https://doi.org/10.1002/chin.199044166
https://doi.org/10.1002/chin.199044166
Autor:
A. I. Ginak, A. A. Espenbetov, Lyudmila G. Kuzmina, Yu. T. Struchkov, I. B. Levshin, K. A. V'yunov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 36:303-306
An x-ray diffraction structural analysis showed that 2-methylamino-4-thiazolinone in the crystal exists as the amine tautomer and forms centrosymmetric dimers due to N2-H(N2)...N1 hydrogen bonds. An intermolecular S...O' contact is found in the direc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64127fabfbfddd53c5b2723c3ac8fa8a
https://doi.org/10.1007/bf00959369
https://doi.org/10.1007/bf00959369
Autor:
A I Ginak, K A V'yunov
Publikováno v:
Russian Chemical Reviews. 50:151-163
A systematic account is given of the literature data on the mechanism of the electrophilic halogenation of olefins. Particular attention is devoted to the experimental methods for the investigation of the structures and reactivities of the intermedia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9224dddb4311272836b50e933a6b83a
https://doi.org/10.1070/rc1981v050n02abeh002552
https://doi.org/10.1070/rc1981v050n02abeh002552
Publikováno v:
Chemistry of Heterocyclic Compounds. 24:600-606
The principles of the fragmentation of the simplest glycidyl and thioglycidyl ethers under the influence of electron impact, which were discovered by comparison of the spectra of homologs using data from photoelectronic spectroscopy and optical mass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eef32f29e7633180d6a15c620f95b567
https://doi.org/10.1007/bf00475591
https://doi.org/10.1007/bf00475591
Publikováno v:
Journal of Applied Spectroscopy. 25:1416-1420
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb6f9a58b8b234ba4bda79b261a8bcb1
https://doi.org/10.1007/bf00610007
https://doi.org/10.1007/bf00610007
Publikováno v:
Chemistry of Heterocyclic Compounds. 23:225-228
The basicity of 2-amino-5-aryl-1,3,4-thiadiazoles was studied. A correlation was obtained between the pKBH+ values of the compounds and the σ constants of the substituents. It was shown that the electronic effects of the substituents in the phenyl r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70348b8e1cec1be42dad52452c14ca82
https://doi.org/10.1007/bf00663868
https://doi.org/10.1007/bf00663868
Publikováno v:
Journal of Applied Spectroscopy. 40:716-720
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06b6b558662474898522b32c3865e30e
https://doi.org/10.1007/bf00663578
https://doi.org/10.1007/bf00663578