Zobrazeno 1 - 10
of 49
pro vyhledávání: '"V. N. Boiko"'
Publikováno v:
Journal of Fluorine Chemistry. 143:123-129
Reactions of 2,4,6-tris(fluorosulfonyl)chlorobenzene 1 with O-, N-, S-, C-nucleophiles and F-anion showed high reactivity of 1 that was defined by three strong electron withdrawing SO2F groups creating several electrophilic centers within the molecul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d07b53ae3adbb9a59f62620aa66cdcef
https://doi.org/10.1016/j.jfluchem.2012.05.015
https://doi.org/10.1016/j.jfluchem.2012.05.015
Autor:
V. N. Boiko
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 6, Iss 1, Pp 880-921 (2010)
Beilstein Journal of Organic Chemistry, Vol 6, Iss 1, Pp 880-921 (2010)
This review covers all of the common methods for the syntheses of aromatic and heterocyclic perfluoroalkyl sulfides, a class of compounds which is finding increasing application as starting materials for the preparation of agrochemicals, pharmaceutic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef24c1b660cc685a4545444f3378e576
http://europepmc.org/articles/PMC2956459
http://europepmc.org/articles/PMC2956459
Autor:
V. N. Boiko, Oksana M. Kamoshenkova
Publikováno v:
Journal of Fluorine Chemistry. 131:248-253
The reactions of 1,3,5-tris(fluorosulfonyl)benzene 1 with nucleophilic agents were investigated. It was found that morpholine, β,β,β-trifluoroethanol in the presence of triethylamine and sodium azide formed corresponding 1,3,5-trisulfonyl derivati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad8e1f4c95cc24adbdf408dd47992e58
https://doi.org/10.1016/j.jfluchem.2009.11.019
https://doi.org/10.1016/j.jfluchem.2009.11.019
Publikováno v:
Tetrahedron Letters. 49:2719-2721
We have found that symmetrical benzene trisulfonic-acid trifluoride 1 is able to undergo nucleophilic addition at free positions on the aromatic ring. Its reactions with sodium sulfite, morpholine and carbanions of malonic and acetoacetic esters, dim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dac80cb9e3a50429198158819a047cff
https://doi.org/10.1016/j.tetlet.2008.02.151
https://doi.org/10.1016/j.tetlet.2008.02.151
Autor:
Wieland Tyrra, Yurii L. Yagupolskii, Andrey A. Filatov, Ingo Pantenburg, Dieter Naumann, Hendrik T. M. Fischer, Frank Schulz, V. N. Boiko
Publikováno v:
ChemInform. 43
Convenient procedures for the synthesis of the title compounds and for the preparation of a variety of 2,4,6-tris(fluorosulfonyl)phenolates are presented.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b16804a246475c072d37c7364e174d30
https://doi.org/10.1002/chin.201209082
https://doi.org/10.1002/chin.201209082
Autor:
V. N. Boiko, G. M. Shchupak
Publikováno v:
Journal of Fluorine Chemistry. 69:207-212
Perfluoroalkylation of aliphatic, aromatic and heterocyclic thiols by perfluoroalkyl iodides in the presence of Et 3N appears to occur spontaneously under daylight or the usual laboratory lighting conditions at 20–22 °C and is complete in 10–15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d9e0f85a135f8849c757e32a64df512
https://doi.org/10.1016/0022-1139(94)03132-0
https://doi.org/10.1016/0022-1139(94)03132-0
The activation of SNAr reactions by the superstrong electron-withdrawing substituent CF3S(O)=NSO2CF3
Publikováno v:
Journal of Fluorine Chemistry. 67:119-123
The chlorine lability of the 2-nitrochlorobenzene derivative which contains the superstrong electron-withdrawing substituent CF 3 S(O)=NSO 2 CF 3 in position 4 has been compared with the analogous 4-trifluoromethylsulphonylderivative and picryl chlor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::711f2b16d2eea6234245d8cd35c70e6d
https://doi.org/10.1016/0022-1139(93)02959-i
https://doi.org/10.1016/0022-1139(93)02959-i
Autor:
V. N. Boiko, I. A. Onopa
Publikováno v:
Soil Mechanics and Foundation Engineering. 30:162-165
It is suggested that the bed coefficient be considered as a characteristic of the contact interaction of rigid pavement and the soil base. Equations are derived for the relationship between the bed coefficient and the modulus of elasticity of the soi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::502a2faeb6e0242e551c2af44b0a91a3
https://doi.org/10.1007/bf01786538
https://doi.org/10.1007/bf01786538
Autor:
V. N. Boiko
Publikováno v:
ChemInform. 41
This review covers all of the common methods for the syntheses of aromatic and heterocyclic perfluoroalkyl sulfides, a class of compounds which is finding increasing application as starting materials for the preparation of agrochemicals, pharmaceutic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41f995a8ad4c635244ad3502197dad8f
https://doi.org/10.1002/chin.201049255
https://doi.org/10.1002/chin.201049255
Autor:
G. M. Shchupak, V. N. Boiko
Publikováno v:
ChemInform. 26
Perfluoroalkylation of aliphatic, aromatic and heterocyclic thiols by perfluoroalkyl iodides in the presence of Et 3N appears to occur spontaneously under daylight or the usual laboratory lighting conditions at 20–22 °C and is complete in 10–15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d078a51e8d2fca5b85a61040d1529aa5
https://doi.org/10.1002/chin.199520065
https://doi.org/10.1002/chin.199520065