Zobrazeno 1 - 10
of 513
pro vyhledávání: '"Fedorov, A."'
Autor:
Alexander D. Dilman, Vitalij V. Levin, Oleg V. Fedorov, Alexander A. Korlyukov, Marina I. Struchkova, Alexander D. Volodin
Publikováno v:
ChemInform. 47
A method for the synthesis of 5,5-difluorosubstituted six-membered nitronates by the coupling of 2-bromo-1,1-difluoroethyl ketones with nitro alkanes is described. The reaction is mediated by 1,8-diazabicycloundec-7-ene and proceeds as a sequence of
Autor:
Christophe Copéret, Haruki Nagae, Deven P. Estes, Pavel A. Zhizhko, Aleix Comas-Vives, Alexey Fedorov, Matthew P. Conley, Victor Mougel, Francisco Núñez-Zarur
Publikováno v:
ChemInform. 47
Autor:
Marina I. Struchkova, Mikhail D. Kosobokov, Oleg V. Fedorov, Vitalij V. Levin, Alexander D. Dilman
Publikováno v:
ChemInform. 46
A method for the difluorohomologation of ketones accompanied by halogenation of a C–H bond is described. The reaction involves silylation, difluorocarbene addition using Me3SiCF2Br activated by a bromide ion, and halogenation of intermediate cyclop
Publikováno v:
ChemInform. 46
This is a simple method for the C—H silylation of heteroaromatic compounds using potassium tert-butoxide as a readily available and inexpensive catalyst.
Autor:
Hannah Sutorius, Aram Prokop, Georgy K. Fukin, Alexey Yu. Fedorov, Valery V. Fokin, Nikolay S. Sitnikov, Antonina S. Kokisheva, Joerg‐Martin Neudoerfl, Hans‐Guenther Schmalz
Publikováno v:
ChemInform. 46
Key step in the synthesis of the structural analogues (III) and (VI) of the antimitotic agent allocolchicine is the formation of the polycyclic ring system under Pd catalysis in the presence of CsOPiv, generated in situ.
Autor:
Konstantin A. Brylev, Anton I. Smolentsev, Yuri V. Mironov, Vladimir E. Fedorov, Nobory Kitamura, A. V. Ermolaev
Publikováno v:
ChemInform. 46
Trans-[Re6S8(CN)2(OH)4] 4- as mixed Cs/K salt is prepared by ligand exchange of a boiling aqueous K4 [Re6S8(OH)6]·8H2O solution in presence of excess KCN followed by addition of CsOH.
Autor:
Anatoliy M. Shestopalov, A. E. Fedorov, L. A. Rodinovskaya, Pavel A. Belyakov, K. G. Nikishin
Publikováno v:
ChemInform. 46
3-Cyano-4-difluoro- and trifluoromethylpyridine-2(1H)-thiones are synthesized by a simple and convenient method and used for the synthesis of a number of annulated heterocyclic systems.
Autor:
Tseimur M. Aliyeu, E. N. Gulakova, Daria V. Berdnikova, Ivan A. Godovikov, Olga A. Fedorova, Yuri V. Fedorov
Publikováno v:
ChemInform. 45
Irradiation of 2-styrylquinolines with full light of a Hg lamp results in formation of polycyclic products which are isolated as perchlorate.
Autor:
Vladimir E. Fedorov, Nikolay G. Naumov, Alexander A. Korlyukov, Dmitry A. Piryazev, Alexander V. Virovets
Publikováno v:
ChemInform. 45
High-quality single crystals of the title compound are prepared from a mixture of molybdenum and a twofold excess of sulfur (quartz tube, 1250 °C, 96 h) and used to determine the crystal structure of the compound by precise three-dimensional single
Autor:
Robert H. Grubbs, Yiyang Liu, Brian M. Stoltz, Kelly E. Kim, Alexey Fedorov, Myles B. Herbert
Publikováno v:
ChemInform. 45
The decarbonylative dehydration of fatty acids shows a good functional group tolerance and provides linear alpha olefins with only small amounts of internal olefins as side products.