Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Galina M. Zhdankina"'
Publikováno v:
Mendeleev Communications. 31:400-402
Screening of four Buchwald ligands for the cross-coupling of isomeric di-, tri- and tetrachlorobenzenes with arylboronic acids revealed that good yields of exhaustive substitution can be best provided by 2-dicyclohexylphosphino-2′-(dimethylamino) b
Autor:
Alexander S. Kucherenko, Alexey A. Kostenko, Galina M. Zhdankina, Olga Yurevna Kuznetsova, Sergei G. Zlotin
Publikováno v:
Green Chemistry. 20:754-759
Simple enantiomerically pure C2-symmetric quinoline (isoquinoline)-derived 1,2-diamines were synthesized from the corresponding aldehydes via stereospecific diaza-Cope rearrangement with 2,2′-(1,2-diaminoethane-1,2-diyl)diphenol (HPEN). Efficient g
Autor:
Nikolai V. Ignat'ev, Michael Schulte, Galina V. Kryshtal, Galina M. Zhdankina, Sergei G. Zlotin
Publikováno v:
Journal of Fluorine Chemistry. 183:23-29
A convenient protocol for the synthesis of natural isoprenoid-derived carboxylic esters via reaction of allylic terpenols with triethyl orthoacetate (propionate) in the presence of 1-butyl-3-methylimidazolium hexafluorophosphate, [bmim][PF6] (10 mol%
Autor:
Galina M. Zhdankina, Alexander S. Kucherenko, Galina V. Kryshtal, Heena Inani, Easwar Srinivasan, Vasily V. Perepelkin, Sergei G. Zlotin
Publikováno v:
Mendeleev Communications. 26:388-390
Novel (4 R )-HO-(2 S )-Pro-( S )-Val derivative tagged to 1-methylimidazolium cation and P F 6 ¯ anion efficiently catalyzes asymmetric aldol reactions of cyclic ketones with aromatic aldehydes in aqueous environment to afford the corresponding aldo
Autor:
Galina M. Zhdankina, Galina V. Kryshtal, Sergei V. Kochetkov, Sergei G. Zlotin, Alexandr S. Kucherenko
Publikováno v:
European Journal of Organic Chemistry. 2012:7129-7134
C2-Symmetric (S)-prolinamides modified with ionic groups and bearing achiral diamine units were synthesized. Their potency as reusable organocatalysts for asymmetric aldol reactions of cycloalkanones or methyl ketones with aromatic (heteroaromatic) a
Autor:
Michael Schulte, Nikolai V. Ignat'ev, Galina V. Kryshtal, Sergei G. Zlotin, Galina M. Zhdankina
Publikováno v:
ChemInform. 47
A convenient protocol for the synthesis of natural isoprenoid-derived carboxylic esters via reaction of allylic terpenols with triethyl orthoacetate (propionate) in the presence of 1-butyl-3-methylimidazolium hexafluorophosphate, [bmim][PF6] (10 mol%
Autor:
A. G. Konoplyannikov, Boris B. Smirnov, O. A. Konoplyannikova, Galina M. Zhdankina, G. V. Kryshtal, Vladimir A. Tartakovsky, S. G. Zlotina, E. V. Agaeva, Edward P. Serebryakov
Publikováno v:
Russian Chemical Bulletin. 61:253-258
Novel synthetic approaches towards analogs of methaprogerol, the efficient wound healing drug, were developed. Several hitherto unknown compounds obtained exhibited in vivo activity similar to methaprogerol. 2-(3-Dimethylaminopropyl)-5-methylhex-4-en
Publikováno v:
Russian Chemical Bulletin. 60:2286-2290
A one-pot method for the synthesis of cyclopropane-1,1,2,2-tetracarboxylic derivatives was developed starting from aldehydes and cyanoacetic and 2-bromomalonic esters under heterogeneous conditions (K2CO3/PhMe) in the presence of recoverable phase-tr
Publikováno v:
Russian Chemical Bulletin. 60:2279-2285
A potassium carbonate promoted addition of 2-bromonitroalkanes to methylidenemalonic and methylidenecyanoacetic acid derivatives and N-benzylmaleimide leads to the functionalized nitrocyclopropanes. In the case of less active olefins, it is reasonabl
Autor:
Nikolai V. Ignat'ev, Galina V. Kryshtal, Galina M. Zhdankina, Michael Schulte, Sergei G. Zlotin
Publikováno v:
Tetrahedron. 67:173-178
An efficient green-chemistry synthesis of conjugated polyenals from α,β-enals, orthoesters, and alkyl vinyl ethers promoted by acidic ionic liquid [emim][HSO4] is described. The ionic liquid can be reused at least three times without any decrease i