Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Vladimir N. Kovtonyuk"'
Publikováno v:
Molecules, Vol 26, Iss 3, p 526 (2021)
Perfluorinated tetrathiacalix[4]arene was obtained by heating perfluoro-m-xylene with thiourea or 2,5-difluoro-4,6-bis(trifluoromethyl)benzene-1,3-dithiol at 90 °C. Interaction of perfluoro-m-xylene with resorcinol or orcinol under mild conditions a
Externí odkaz:
https://doaj.org/article/4f65bae3aa0e4d96aa91325770943d0a
Publikováno v:
Mendeleev Communications. 32:789-791
Publikováno v:
Journal of Fluorine Chemistry. :110022
Publikováno v:
Journal of Fluorine Chemistry. :59-67
Successive interaction of pentafluorobenzonitrile with resorcinol, orcinol and tetrafluororesorcinol in Et3N−CH3CN system gives fluorinated tetraoxacalix[4]arenes ABAB and ABAC type in a good yield. Further reaction of obtained products with new ad
Publikováno v:
Molecules
Volume 26
Issue 3
Molecules, Vol 26, Iss 526, p 526 (2021)
Volume 26
Issue 3
Molecules, Vol 26, Iss 526, p 526 (2021)
Perfluorinated tetrathiacalix[4]arene was obtained by heating perfluoro-m-xylene with thiourea or 2,5-difluoro-4,6-bis(trifluoromethyl)benzene-1,3-dithiol at 90 °
C. Interaction of perfluoro-m-xylene with resorcinol or orcinol under mild cond
C. Interaction of perfluoro-m-xylene with resorcinol or orcinol under mild cond
Autor:
Yuri V. Gatilov, Vladimir N. Kovtonyuk
Publikováno v:
Journal of Fluorine Chemistry. 199:52-59
Interaction of perfluoro-m-xylene with tetrafluororesorcinol in Et3N-CH3CN system leads to the formation of perfluorinated tetramethyltetraoxacalix[4]arene with a good yield, while the reaction with resorcinol gives a mixture of macrocycles containin
Publikováno v:
European Journal of Organic Chemistry. 2005:1178-1183
The reactions of four polyfluorinated cyclohexa-2,5-dienones 1a–1d, additionally substituted with an electron withdrawing substituent at the 4-position, with diazomethane give mixtures of two diastereomeric fluorinated 1-oxaspiro[2.5]octa-4,7-diene
Autor:
Roland Fröhlich, Vladimir N. Kovtonyuk, Irina Yu. Bagryanskaya, L. S. Kobrina, Günter Haufe, Yurij V. Gatilov
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :1929-1933
The reaction of 6-chloro-2,3,4,5,6-pentafluorocyclohexa-2,4-dienone (1) with diazomethane gives a mixture of two diastereoisomers of 6-chloro-3a,4,5,6,7a-pentafluoro-3,3a,6,7a-tetrahydrospiro[indazole-7,2′-oxirane] 2a and 2b. In contrast phenyldiaz
Autor:
L. S. Kobrina, Yurij V. Gatilov, Roland Froehlich, Vladimir N. Kovtonyuk, Guenter Haufe, Irina Yu. Bagryanskaya
Publikováno v:
ChemInform. 31
Publikováno v:
Chem. Commun.. :1991-1992
4,5,6,7-Tetrafluoro-2λ4δ2,1,3-benzotelluradiazole compound 2 (and a 15N-enriched sample) is synthesized by treating TeCl4 with the corresponding diamine 4 in the absence of HCl acceptors. Some of its properties, .e.g. high volatility, facile hydrol