Search Results - "Lengyel, Istvan"
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1
The Synthesis and Antimicrobial Evaluation of Some Spiro-Phthalidyl Benzoxazinones
Published in Heterocycles (2012)Get full text
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2
The Preparation and Characterization of Nineteen New Phthalidyl Spirohydantoins
Published in Heterocycles (01-12-2007)Get full text
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3
Rxn-INSIGHT: fast chemical reaction analysis using bond-electron matrices
Published in Journal of cheminformatics (29-03-2024)“…The challenge of devising pathways for organic synthesis remains a central issue in the field of medicinal chemistry. Over the span of six decades,…”
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4
Geometric deep learning for molecular property predictions with chemical accuracy across chemical space
Published in Journal of cheminformatics (13-08-2024)“…Chemical engineers heavily rely on precise knowledge of physicochemical properties to model chemical processes. Despite the growing popularity of deep…”
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5
A Chemical Approach to Designing Turing Patterns in Reaction-Diffusion Systems
Published in Proceedings of the National Academy of Sciences - PNAS (01-05-1992)“…A systematic approach is suggested to design chemical systems capable of displaying stationary, symmetry-breaking reaction diffusion patterns (Turing…”
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6
New One-Step Synthesis of Isonitriles
Published in Synthetic communications (18-06-2013)“…A new one-step synthesis of isonitriles is described. The starting materials are a primary amine, chloroform, sodium hydride, and the phase-transfer catalyst…”
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7
A chemical mechanism for in situ boron doping during silicon chemical vapor deposition
Published in Thin solid films (17-04-2000)“…We present a systematic approach to formulating chemical mechanisms to chemical vapor deposition processes with the unusually large growth rate enhancement…”
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8
Catalyst ignition and extinction: A microkinetics-based bifurcation study of adiabatic reactors for oxidative coupling of methane
Published in Chemical engineering science (18-05-2019)“…•Bifurcation behavior of gas phase and catalytic OCM in 3 adiabatic reactor types is analyzed.•Detailed microkinetic models are used for the gas phase and…”
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9
Fast estimation of standard enthalpy of formation with chemical accuracy by artificial neural network correction of low-level-of-theory ab initio calculations
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (15-12-2021)“…•A methodology for predicting the standard enthalpy of formation of gas-phase molecules.•Accurcay of 2.5 kJ/mol average deviation from G3MP2B3 level…”
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10
Transient Turing Structures in a Gradient-Free Closed System
Published in Science (American Association for the Advancement of Science) (22-01-1993)“…Transient, symmetry-breaking, spatial patterns were obtained in a closed, gradient-free, aqueous medium containing chlorine dioxide, iodine, malonic acid, and…”
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11
Performance improvement for a fixed-bed reactor with layered loading catalysts of different catalytic properties for oxidative coupling of methane
Published in Catalysis today (01-01-2018)“…[Display omitted] •Ag promotes the activity of Mn-Na2WO4/SiO2 and enhances selectivity at lower reaction temperature.•Layered loading of a more active catalyst…”
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12
Experimental and Computational Study of Natural Gas Pyrolysis in a Pilot-Scale Cracker
Published in Industrial & engineering chemistry research (19-05-2021)“…Experimental results for pyrolysis of natural gas, propane, Y-grade natural gas liquids, and associated gas to acetylene in a pilot-scale reactor are…”
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13
Annular swirling jet reactor for converting hydrocarbons to olefins and aromatics
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (01-01-2024)“…•Novel high-centrifugal force reactor for cracking ethane.•Annular jet in highly swirling flows.•Hydrodynamic stabilization of robust oxy-enriched hydrogen…”
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14
The Role Of Path-Dependence In The Local Economic Transformation
Published in Zbornik radova (Geografski institut "Jovan Cvijić". Online) (01-01-2015)“…The examination focuses on the issue of path-dependence, which is considered to be the core concept of evolutionary economic geography emphasizing the…”
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15
Modeling Study of High Temperature Pyrolysis of Natural Gas
Published in Industrial & engineering chemistry research (06-06-2018)“…High temperature pyrolysis (HTP) is a commercial process to convert methane to acetylene. The HTP process consists of two reaction zones, followed by a…”
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16
Numerical bifurcation analysis of large-scale detailed kinetics mechanisms
Published in Current opinion in chemical engineering (01-09-2018)“…•Efficient bifurcation analysis of large-scale kinetics mechanisms is possible.•Strategies to reduce or eliminate numerical instabilities are…”
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17
Turing structures in simple chemical reactions
Published in Accounts of chemical research (01-05-1993)Get full text
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18
Experimental and numerical study of a two-stage natural gas combustion pyrolysis reactor for acetylene production: The role of delayed mixing
Published in Proceedings of the Combustion Institute (2019)“…Combustion pyrolysis of natural gas is a promising process for high value-added chemicals such as alkynes and olefins. This work introduces recent experimental…”
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19
Synthesis and pharmacological activity of 1,3,6-trisubstituted-4-oxo-1,4-dihydroquinoline-2-carboxylic acids as selective ETA antagonists
Published in Bioorganic & medicinal chemistry letters (15-11-2010)“…The synthesis and structure–activity relationship studies of endothelin A antagonists 2a–m are reported. A series of…”
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20
Predicting polycyclic aromatic hydrocarbon formation with an automatically generated mechanism for acetylene pyrolysis
Published in International journal of chemical kinetics (01-01-2021)“…Using Reaction Mechanism Generator (RMG), we have automatically constructed a detailed mechanism for acetylene pyrolysis, which predicts formation of…”
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