Search Results - "Tararov, Vitali I."

Optimized catalysts for the asymmetric addition of trimethylsilyl cyanide to aldehydes and ketones by Belokon’, Yuri N, Green, Brendan, Ikonnikov, Nicolai S, North, Michael, Parsons, Teresa, Tararov, Vitali I

“…A bimetallic titanium(IV)salen complex has been developed as an exceptionally active catalyst for the asymmetric addition of trimethylsilyl cyanide to ketones…”
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The Asymmetric Addition of Trimethylsilyl Cyanide to Aldehydes Catalyzed by Chiral (Salen)Titanium Complexes by Belokon', Yuri N, Caveda-Cepas, Susana, Green, Brendan, Ikonnikov, Nicolai S, Khrustalev, Viktor N, Larichev, Vladimir S, Moscalenko, Margarita A, North, Michael, Orizu, Charles, Tararov, Vitali I, Tasinazzo, Michela, Timofeeva, Galina I, Yashkina, Lidia V

“…The use of chiral (salen)TiCl2 complexes to induce the asymmetric addition of trimethylsilyl cyanide to aldehydes has been investigated. The complexes are…”
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Direct Reductive Amination versus Hydrogenation of Intermediates -A Comparison by Tararov, Vitali I., Kadyrov, Renat, Riermeier, Thomas H., Fischer, Christine, Börner, Armin

“…The direct reductive amination of acetophenone with benzylamine or piperidine was studied in comparison with the hydrogenation of possible intermediates like a…”
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Quantitative Prediction of Yield in Transglycosylation Reaction Catalyzed by Nucleoside Phosphorylases by Alexeev, Cyril S., Kulikova, Irina V., Gavryushov, Sergei, Tararov, Vitali I., Mikhailov, Sergey N.

“…Phosphorolytic transglycosylation catalyzed by nucleoside phosphorylases is an important biotechnological process. The reaction is reversible, and the yield of…”
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A Scrutiny on the Reductive Amination of Carbonyl Compounds Catalyzed by Homogeneous Rh(I) Diphosphane Complexes by Tararov, Vitali I., Kadyrov, Renat, Riermeier, Thomas H., Börner, Armin

“…The reductive amination of a series of aldehydes with secondary amines and H2 in the presence of a homogeneous Rh‐diphosphane catalyst was studied in order to…”
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Modification of the length and structure of the linker of N(6)-benzyladenosine modulates its selective antiviral activity against enterovirus 71 by Drenichev, Mikhail S, Oslovsky, Vladimir E, Sun, Liang, Tijsma, Aloys, Kurochkin, Nikolay N, Tararov, Vitali I, Chizhov, Alexander O, Neyts, Johan, Pannecouque, Christophe, Leyssen, Pieter, Mikhailov, Sergey N

“…Very recently, we demonstrated that N(6)-isopentenyladenosine, a cytokinin nucleoside, exerts a potent and selective antiviral effect on the replication of…”
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Chemical modification of the plant isoprenoid cytokinin N(6)-isopentenyladenosine yields a selective inhibitor of human enterovirus 71 replication by Tararov, Vitali I, Tijsma, Aloys, Kolyachkina, Svetlana V, Oslovsky, Vladimir E, Neyts, Johan, Drenichev, Mikhail S, Leyssen, Pieter, Mikhailov, Sergey N

“…In this study, we demonstrate that N(6)-isopentenyladenosine, which essentially is a plant cytokinin-like compound, exerts a potent and selective antiviral…”
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Synthesis of N 6 -Substituted Adenosines as Cytokinin Nucleosides by Drenichev, Mikhail S, Oslovsky, Vladimir E, Tararov, Vitali I, Mikhailov, Sergey N

“…This unit describes preparation of N -substituted adenosines (cytokinin nucleosides), a unique class of compounds with a wide spectrum of biological…”
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Synthesis and Highly Stereoselective Hydrogenation of the Statin Precursor Ethyl (5S)-5,6-Isopropylidenedioxy-3-oxohexanoate by Tararov, Vitali I., König, Gerd, Börner, Armin

“…A search for the large‐scale preparation of (5S)‐5,6‐(isopropylidenedioxy)‐3‐oxohexanoates (2) – a key intermediate in the synthesis of pharmacologially…”
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Facile Synthesis of 8-Azido-6-Benzylaminopurine by Steklov, Mikhail Yu, Tararov, Vitali I., Romanov, Georgy A., Mikhailov, Sergey N.

“…Bromination of 6-benzylaminopurine (1) with Br 2 in AcOH in the presence of AcONa afforded 6-benzylamino-8-bromopurine (2) in 59% yield. The position of…”
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The asymmetric addition of trimethylsilyl cyanide to ketones catalysed by a bimetallic, chiral (salen)titanium complex by Belokon, Yuri N, Green, Brendan, Ikonnikov, Nicolai S, North, Michael, Tararov, Vitali I

“…The use of a bimetallic titanium salen complex as a catalyst for the asymmetric addition of trimethylsilylcyanide to ketones is reported. The cyanohydrin…”
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Improved procedures for the synthesis of ( S)-2-[ N-( N′-benzylprolyl)amino]benzophenone (BPB) and Ni(II) complexes of Schiff's bases derived from BPB and amino acids by Belokon', Yuri N., Tararov, Vitali I., Maleev, Viktor I., Savel'eva, Tatiana F., Ryzhov, Michael G.

“…( S)- N-Benzylproline (BP) was obtained by the reaction of ( S)-proline and benzylchloride in high chemical yield (89%). ( S)-2-[ N-(…”
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Rhodium(I) catalyzed asymmetric hydrogenation of enamines by Tararov, Vitali I, Kadyrov, Renat, Riermeier, Thomas H, Holz, Jens, Börner, Armin

“…The asymmetric hydrogenation of prochiral electron-rich enamines with rhodium(I) diphosphine and diphosphinite catalysts is described. The reaction is strongly…”
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New chiral 1,3-diphosphine ligands for Rh-catalyzed enantioselective hydrogenation: a search for electronic effects by Dubrovina, Natalia V., Tararov, Vitali I., Monsees, Axel, Spannenberg, Anke, Kostas, Ioannis D., Börner, Armin

“…New electron-rich chiral 1,3-diphosphines of the BDPP type were prepared from 1,3-diphenylpropane-1,3-diol by an economically feasible synthetic approach. The…”
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Economic preparation of 1,3-diphenyl-1,3-bis(diphenylphosphino)propane: a versatile chiral diphosphine ligand for enantioselective hydrogenations by Dubrovina, Natalia V., Tararov, Vitali I., Monsees, Axel, Kadyrov, Renat, Fischer, Christine, Börner, Armin

“…The enantioselective hydrogenation of 1,3-diarylpropane-1,3-diones with chiral Ru(II)-diphosphine catalyst has been studied. In a first approach it was found,…”
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Convenient and Efficient Reduction of 1,1‘-Binaphthyls to H8-1,1‘-Binaphthyl Derivatives with Pd and Ru Catalysts on Solid Support by Korostylev, Andrei, Tararov, Vitali I, Fischer, Christine, Monsees, Axel, Börner, Armin

“…Hydrogenation of chiral 2,2‘-functionalized 1,1‘-binaphthyls with Pd and Ru solid-supported metal catalysts was found to be a clean and convenient pathway to…”
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Synthesis of Heterofunctionalized Multidentate Diphosphines by Quirmbach, Michael, Holz, Jens, Tararov, Vitali I, Börner, Armin

“…The synthesis of new chiral multidentate amino- and amidophosphine ligands bearing up to six potential coordination sites were synthesized starting from…”
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Asymmetric Cleavage of Racemic 1,3-Oxazolidines - A New Dynamic Process in Homogeneous Rh(I)-Catalyzed Hydrogenation by Tararov, Vitali I., Kadyrov, Renat, Monsees, Axel, Riermeier, Thomas H., Börner, Armin

“…The mechanism of the homogeneously catalyzed hydrogenation of 1,3‐oxazolidines with a Rh(I) diphosphane catalyst affording tertiary hydroxyethyl‐substituted…”
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Phosphines versus phosphinites as ligands in the rhodium catalyzed asymmetric hydrogenation of imines: a systematic study by Tararov, Vitali I, Kadyrov, Renat, Riermeier, Thomas H, Holz, Jens, Börner, Armin

“…The asymmetric hydrogenation of N-(1-phenylethylidene)benzylamine with a range of rhodium(I)-diphosphine and diphosphinite catalysts is studied. The reaction…”
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An improved synthesis of enantiopure 2-azabicyclo[2.2.1]heptane-3-carboxylic acid by Tararov, Vitali I., Kadyrov, Renat, Kadyrova, Zenfira, Dubrovina, Natalia, Börner, Armin

“…A facile multigram scale preparation of (1 R,3 S,4 S)-2-azabicyclo[2.2.1]heptane-3-carboxylic acid via stereoselective synthesis of the corresponding α-amino…”
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