Showing 41 - 60 results of 119 for search '"elimination reaction"', query time: 0.15s Refine Results
  1. 41

    Perovskites on ice: an additive-free approach to increase the shelf-life of triple-cation perovskite precursor solutions by O'Kane, ME, Smith, JA, Alanazi, TI, Cassella, EJ, Game, O, van Meurs, S, Lidzey, DG

    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.…”
    Journal article
  2. 42

    A novel approach for the removal of lead (II) ion from wastewater using Kaolinite/Smectite natural composite adsorbent by I. M. El-Naggar, Sayed A. Ahmed, Nabila Shehata, E. S. Sheneshen, Mahmoud Fathy, Amr Shehata

    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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    Article
  3. 43

    Pectinolytic lyases: a comprehensive review of sources, category, property, structure, and catalytic mechanism of pectate lyases and pectin lyases by Ling Zheng, Yinxiao Xu, Qian Li, Benwei Zhu

    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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    Article
  4. 44

    A catalyst-free multicomponent domino sequence for the diastereoselective synthesis of (E)-3-[2-arylcarbonyl-3-(arylamino)allyl]chromen-4-ones by Pitchaimani Prasanna, Pethaiah Gunasekaran, Subbu Perumal, J. Carlos Menéndez

    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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    Article
  5. 45

    Photoconvertible Fluorescent Proteins and the Role of Dynamics in Protein Evolution by Rebekka M. Wachter

    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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    Article
  6. 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 by M. Sadeghi, M. H. Hosseini

    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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    Article
  7. 47

    Computational insights into the spontaneity of epoxide formation from halohydrins and other mechanistic details of Williamson’s ether synthesis by Pedro J. Silva

    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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    Article
  8. 48

    Removal of Organic Pollutants from Water by Improved Carbon Nanotubes by Mohammad Reza Fadaei Tehrani, Saeed Skandari

    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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    Article
  9. 49

    Etching reactions of C2H5I on GaAs(100) by Singh, N, Bolzan, A, Foord, J, Wright, H

    Published 1998
    “…The ethyl species undergoes β-hydride elimination reaction to form ethene, ethane and hydrogen, which all desorb into the gas phase. …”
    Journal article
  10. 50

    Application of Nickel(II) Complexes to the Efficient Synthesis of ?- or ?-Amino Acids by Jiang Wang, Lei Zhang, Hualiang Jiang, Kaixian Chen, Hong Liu

    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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    Article
  11. 51

    Understanding Hydrothermal Dechlorination of PVC by Focusing on the Operating Conditions and Hydrochar Characteristics by Tian Li, Peitao Zhao, Meng Lei, Zhaozhi Li

    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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    Article
  12. 52

    The development of nitro-Mannich/hydroamination cascades for the synthesis of substituted N-heterocycles by Barber, D, David Barber

    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. …”
    Thesis
  13. 53

    Biochemistry and Crystal Structure of Ectoine Synthase: A Metal-Containing Member of the Cupin Superfamily. by Nils Widderich, Stefanie Kobus, Astrid Höppner, Ramona Riclea, Andreas Seubert, Jeroen S Dickschat, Johann Heider, Sander H J Smits, Erhard Bremer

    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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    Article
  14. 54

    Structural characterization and immune-enhancing activity of a novel acid proteoglycan from Black soybean by Wuxia Zhang, Yihua Hu, Jiaqi He, Yongpo Zhang, Aiqin Yue, Weijun Du, Jinzhong Zhao, Peng Li

    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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    Article
  15. 55

    Synthesis and Study of the Crystal Structure of 2-[(Dipyrrolidin-1-yl) methylene] malononitrile by Wedad M. Al-Adiwish, Wedad M. Barag

    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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    Article
  16. 56

    Design, Development, and Optimisation of Smart Linker Chemistry for Targeted Colonic Delivery—In Vitro Evaluation by Heba S. Abd-Ellah, Ramesh Mudududdla, Glen P. Carter, Jonathan B. Baell

    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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    Article
  17. 57

    Investigation of the acetylation mechanism by GCN5 histone acetyltransferase. by Junfeng Jiang, Junyan Lu, Dan Lu, Zhongjie Liang, Lianchun Li, Sisheng Ouyang, Xiangqian Kong, Hualiang Jiang, Bairong Shen, Cheng Luo

    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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    Article
  18. 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 by Renjie Li, Dong Li, Lanyi Wang, Qiang Zhou, Jianmei Li, Xuehua Yu, Jian Liu, Zhen Zhao

    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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    Article
  19. 59

    Computational-Designed Enzyme for β-Tyrosine Production in Lignin Valorization by Fei Peng, Habibu Aliyu, André Delavault, Ulrike Engel, Jens Rudat

    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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    Article
  20. 60

    Entrapment of Phenylalanine Ammonia-Lyase in Nanofibrous Polylactic Acid Matrices by Emulsion Electrospinning by Gábor Koplányi, Evelin Sánta-Bell, Zsófia Molnár, Gergő Dániel Tóth, Muriel Józó, András Szilágyi, Ferenc Ender, Béla Pukánszky, Beáta G. Vértessy, László Poppe, Diána Balogh-Weiser

    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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    Article