Search Results - "Rokob, Tibor András"
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Reactivity Models of Hydrogen Activation by Frustrated Lewis Pairs: Synergistic Electron Transfers or Polarization by Electric Field?
Published in Journal of the American Chemical Society (20-03-2013)“…Two alternative qualitative reactivity models have recently been proposed to interpret the facile heterolytic cleavage of H2 by frustrated Lewis pairs (FLPs)…”
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2
Rationalizing the Reactivity of Frustrated Lewis Pairs: Thermodynamics of H2 Activation and the Role of Acid−Base Properties
Published in Journal of the American Chemical Society (05-08-2009)“…The acid−base strengths of recently reported frustrated Lewis pairs and their relation with the thermodynamic feasibility of heterolytic hydrogen splitting…”
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3
Expanding the Scope of Metal-Free Catalytic Hydrogenation through Frustrated Lewis Pair Design
Published in Angewandte Chemie (International ed.) (03-09-2010)“…No metal causes frustration: Based on a conceptual framework, novel frustrated Lewis acid–base catalyst systems with orthogonal reactivity have been developed…”
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4
On the Mechanism of B(C6F5)3-Catalyzed Direct Hydrogenation of Imines: Inherent and Thermally Induced Frustration
Published in Journal of the American Chemical Society (11-02-2009)“…The reaction mechanism for the transition metal free direct hydrogenation of bulky imines catalyzed by the Lewis acid B(C6F5)3 is investigated in detail by…”
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5
Reactivity of the Binuclear Non-Heme Iron Active Site of Δ9 Desaturase Studied by Large-Scale Multireference Ab Initio Calculations
Published in Journal of the American Chemical Society (12-11-2014)“…The results of density matrix renormalization group complete active space self-consistent field (DMRG-CASSCF) and second-order perturbation theory…”
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Mechanism of hydrogen activation by frustrated Lewis pairs: A molecular orbital approach
Published in International journal of quantum chemistry (2009)“…A detailed molecular orbital treatment of the heterolytic hydrogen splitting by bulky Lewis acid‐base pairs is presented. The frontier molecular orbitals of…”
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7
Optimal Collision Energies and Bioinformatics Tools for Efficient Bottom-up Sequence Validation of Monoclonal Antibodies
Published in Analytical chemistry (Washington) (15-10-2019)“…Rigorous validation of amino acid sequence is fundamental in the characterization of original and biosimilar protein biopharmaceuticals. Widely accepted…”
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Selection of Collision Energies in Proteomics Mass Spectrometry Experiments for Best Peptide Identification: Study of Mascot Score Energy Dependence Reveals Double Optimum
Published in Journal of proteome research (04-05-2018)“…Collision energy is a key parameter determining the information content of beam-type collision induced dissociation tandem mass spectrometry (MS/MS) spectra,…”
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9
Computing Reliable Energetics for Conjugate Addition Reactions
Published in Organic letters (11-10-2007)“…The performance of various density functionals along with second-order perturbation treatments has been tested for a set of conjugate addition reactions…”
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10
Transformation of Zwitterionic Pyridine Derivatives to a Spiro-Fused Ring System: Azoniabenzo[de]fluorine. Synthesis and Mechanistic Rationalization
Published in Journal of organic chemistry (02-01-2015)“…Reaction of aryl- and benzylsulfanopyridinium amidates bearing a methyl group in position 6 with 2 equiv of diphenylketene afforded a spiro-fused ring…”
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Rearrangements of N-Heterocyclic Carbenes of Pyrazole to 4-Aminoquinolines and Benzoquinolines
Published in European Journal of Organic Chemistry (01-08-2010)“…1‐Phenyl‐substituted pyrazolium salts, formed by quaternization of pyrazoles with benzyl halides or long‐chain alkyl halides, deprotonate to pyrazol‐3‐ylidenes…”
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On the Mechanism of the Copper-Mediated C–S Bond Formation in the Intramolecular Disproportionation of Imine Disulfides
Published in Inorganic chemistry (17-10-2011)“…The mechanism of the copper-mediated disproportionation of aromatic imine disulfides to benzothiazoles in the gas phase is investigated by experimental and…”
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13
Rearrangement of Aryl- and Benzylthiopyridinium Imides with Participation of a Methyl Substituent
Published in Journal of organic chemistry (18-11-2011)“…6-Methyl substituted 2-aryl- and 2-benzylthiopyridinium N-imides reacted with an excess of isocyanates to give N,N-disubstituted…”
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14
Turning Frustration into Bond Activation: A Theoretical Mechanistic Study on Heterolytic Hydrogen Splitting by Frustrated Lewis Pairs
Published in Angewandte Chemie (International ed.) (14-03-2008)“…Just before splitting: A mechanistic model has been proposed for H2 activation by sterically demanding phosphine–borane Lewis pairs. There is theoretical…”
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15
Structural and Spectroscopic Properties of the Peroxodiferric Intermediate of Ricinus communis Soluble Δ9 Desaturase
Published in Inorganic chemistry (05-03-2012)“…Large-scale quantum and molecular mechanical methods (QM/MM) and QM calculations were carried out on the soluble Δ9 desaturase (Δ9D) to investigate various…”
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Pathways for Arene Oxidation in Non-Heme Diiron Enzymes: Lessons from Computational Studies on Benzoyl Coenzyme A Epoxidase
Published in Journal of the American Chemical Society (09-11-2016)“…Oxygenation of aromatic rings using O2 is catalyzed by several non-heme carboxylate-bridged diiron enzymes. In order to provide a general mechanistic…”
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A New Cyclization to Fused Pyrazoles Tunable for Pericyclic or Pseudopericyclic Route: An Experimental and Theoretical Study
Published in Journal of organic chemistry (16-05-2008)“…2-Pyrazinyl (2) and 3-pyridazinylketone arylhydrazones (6) and their benzologues undergo a ring closure reaction to yield pyrazolo[3,4-b]pyrazines (4) and…”
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Synthesis and Transformations of Novel Benzo[c]furans
Published in Heterocycles (01-03-2011)Get full text
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Structural and computational basis for potent inhibition of glutamate carboxypeptidase II by carbamate-based inhibitors
Published in Bioorganic & medicinal chemistry (15-01-2019)“…[Display omitted] A series of carbamate-based inhibitors of glutamate carboxypeptidase II (GCPII) were designed and synthesized using ZJ-43,…”
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Mono- and binuclear non-heme iron chemistry from a theoretical perspective
Published in Journal of biological inorganic chemistry (01-09-2016)“…In this minireview, we provide an account of the current state-of-the-art developments in the area of mono- and binuclear non-heme enzymes (NHFe and NHFe 2 )…”
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