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41
Perovskites on ice: an additive-free approach to increase the shelf-life of triple-cation perovskite precursor solutions
Published 2021“…It was concluded that the improvement in precursor solution stability is directly linked to the suppression of an addition-elimination reaction and the preservation of higher amounts of methylammonium within solution.…”
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42
A novel approach for the removal of lead (II) ion from wastewater using Kaolinite/Smectite natural composite adsorbent
Published 2018-12-01“…The lead removal enlarged with rising initial metal solution concentration, contact time and pH. The elimination reaction speed was high at the initial period of contact time and then decreased to attain equilibrium at 45, 30 min for Kaolinite/Smectite-A and Kaolinite/Smectite-B adsorbents, respectively. …”
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43
Pectinolytic lyases: a comprehensive review of sources, category, property, structure, and catalytic mechanism of pectate lyases and pectin lyases
Published 2021-08-01“…They can effectively cleave the α-1,4-glycosidic bond of pectin molecules back bone by β-elimination reaction to produce pectin oligosaccharides. …”
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44
A catalyst-free multicomponent domino sequence for the diastereoselective synthesis of (E)-3-[2-arylcarbonyl-3-(arylamino)allyl]chromen-4-ones
Published 2014-02-01“…This transformation generates one C–C and one C–N bond and presumably proceeds via a reaction sequence comprising a Michael-type addition–elimination reaction, a nucleophilic attack of an enamine to a carbonyl reminiscent of one of the steps of the Bayllis–Hilman condensation, and a final deoxygenation. …”
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45
Photoconvertible Fluorescent Proteins and the Role of Dynamics in Protein Evolution
Published 2017-08-01“…The emerging mechanistic model suggests that highly specific dynamic motions are linked to key chemical steps, preparing the system for a concerted deprotonation and β-elimination reaction that enlarges the chromophore’s π-conjugation to generate red color.…”
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46
Preparation and Application of MnO2 Nanoparticles/Zeolite AgY Composite Catalyst by Confined Space Synthesis (CSS) Method for the Desulfurization and Elimination of SP and OPP
Published 2012-12-01“…The desulfurization and elimination reaction of 2- chloroethyl phenyl sulfide (2-CEPS) and DEPPT (O, S-diethyl phenyl phosphonothioate) have been investigated by 15.8 wt% Nano MnO2/Zeolite AgY composite and MnO2 nanoparticles catalysts and via GC, GC-MS and 31 PNMR.…”
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47
Computational insights into the spontaneity of epoxide formation from halohydrins and other mechanistic details of Williamson’s ether synthesis
Published 2023-12-01“…Study of the competing elimination reactions further shows that during the synthesis of five-atom cyclic ethers the competing elimination reaction is strongly disfavoured due to steric effects. …”
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48
Removal of Organic Pollutants from Water by Improved Carbon Nanotubes
Published 2023-10-01“…The data processing showed the pseudo-second order kinetic model for the elimination reaction and the Langmuir isotherm was the most consistent. …”
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49
Etching reactions of C2H5I on GaAs(100)
Published 1998“…The ethyl species undergoes β-hydride elimination reaction to form ethene, ethane and hydrogen, which all desorb into the gas phase. …”
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50
Application of Nickel(II) Complexes to the Efficient Synthesis of ?- or ?-Amino Acids
Published 2011-12-01“…-diamino acids, the enantioselective tandem conjugate addition–elimination reaction to prepare glutamic acid derivatives, the Suzuki coupling reaction to yield ?…”
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51
Understanding Hydrothermal Dechlorination of PVC by Focusing on the Operating Conditions and Hydrochar Characteristics
Published 2017-03-01“…According to the FTIR results, the peak intensities of both C=CH and C=C stretching vibrations in hydrochar were increased, while the peak at around 3300 cm−1 representing the –OH group was not obvious, indicating that the dehydrochlorination (elimination reaction) was a main route for chlorine removal under these conditions studied in this work.…”
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52
The development of nitro-Mannich/hydroamination cascades for the synthesis of substituted N-heterocycles
Published 2013“…Starting from easily prepared N-protected imines and nitroalkyne substrates, a compatible combination of KOtBu (10 mol%) and AuCl3 (5 mol%) was used to afford the desired pyrrole products, after an alkene isomerisation/HNO2 elimination reaction sequence. </p> <p>Chapter 3 describes the extension of this methodology to the diastereo- and enantioselective synthesis of 1,2,3,4-tetrahydropyridine derivatives using a nitroalkyne substrate with an extended carbon chain. …”
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53
Biochemistry and Crystal Structure of Ectoine Synthase: A Metal-Containing Member of the Cupin Superfamily.
Published 2016-01-01“…Ectoine synthase (EctC) catalyzes the last step in ectoine production and mediates the ring closure of the substrate N-gamma-acetyl-L-2,4-diaminobutyric acid through a water elimination reaction. However, the crystal structure of ectoine synthase is not known and a clear understanding of how its fold contributes to enzyme activity is thus lacking. …”
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54
Structural characterization and immune-enhancing activity of a novel acid proteoglycan from Black soybean
Published 2022-09-01“…Moreover, the chemical analysis showed that BBWPS2 was a proteoglycan of 2.02 × 105 Da, and composed of 7 kinds of monosaccharides and 16 kinds of amino acids. β-elimination reaction identified the carbohydrate chain was connected to peptide chain with O-glycosidic bonds. …”
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55
Synthesis and Study of the Crystal Structure of 2-[(Dipyrrolidin-1-yl) methylene] malononitrile
Published 2022-06-01“… This study aims to synthesis 2-[(dipyrrolidin-1-yl)methylene] malononitrile 2 and identify its crystal structure by X-ray diffraction analysis. 2-[(dipyrrolidin-1-yl)methylene] malononitrile was prepared by a direct displacement of the methylthio group (SMe) in the 2-[bis(methylthio)methylene] malononitrile 1 with pyrrolidine as cyclic secondary amine by conjugating addition-elimination reaction under reflux conditions for two hours. …”
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56
Design, Development, and Optimisation of Smart Linker Chemistry for Targeted Colonic Delivery—In Vitro Evaluation
Published 2023-01-01“…To circumvent inter- and intra-subject variabilities in enzyme activities, these prodrugs do not rely on enzymes but rather are activated via a pH-triggered intramolecular cyclisation–elimination reaction. As proof of concept, model compounds were synthesised and evaluated under various pH conditions, simulating various regions of the gastrointestinal tract (GIT). …”
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57
Investigation of the acetylation mechanism by GCN5 histone acetyltransferase.
Published 2012-01-01“…Energy barriers of addition-elimination reaction in acetylation obtained from QM/MM calculation indicated the point of the intermediate ternary complex. …”
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58
Effects of different B-site ions on the catalytic performance of 3DOM LaBO3 for the simultaneous elimination of NOx and soot particulates from diesel engines
Published 2023-06-01“…The preparation of catalyst is the core of simultaneous elimination reaction. In this work, three-dimensionally ordered macroporous (3DOM) LaBO3 perovskite catalysts were successfully prepared by colloidal crystal templates method. …”
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59
Computational-Designed Enzyme for β-Tyrosine Production in Lignin Valorization
Published 2021-10-01“…In the ammonia elimination reaction of (<i>R</i>)-β-tyrosine, the variants Y424N and Y424C displayed a two-fold increased catalytic efficiency of the wild type. …”
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60
Entrapment of Phenylalanine Ammonia-Lyase in Nanofibrous Polylactic Acid Matrices by Emulsion Electrospinning
Published 2021-09-01“…In this study, the first approach is described to produce PLA nanofibers containing <i>Pc</i>PAL enzymes by emulsion electrospinning and to use the resulted biocatalyst in the ammonia elimination reaction from <span style="font-variant: small-caps;">l</span>-phenylalanine.…”
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