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Showing 1-20 of 5,117 results
  1. Nitration of Phenol with Water Activated by Pulsed Hot Plasma Radiation

    Abstract

    The nitration of phenol with plasma-activated water (PAW) generated by pulsed radiation of an electric spark discharge has been studied....

    I. M. Piskarev in High Energy Chemistry
    Article 22 July 2023
  2. Effect of Nickel Promoted Niobium Catalyst on Toluene Nitration Reaction

    Abstract

    A series of Ni–Nb 2 O 5 /SiO 2 catalysts with varying Ni loadings (5–25 wt %) were prepared. The catalytic activity of the materials was...

    M. Sahebi, M. Nasiri, A. Shokrollahi in Kinetics and Catalysis
    Article 05 October 2023
  3. Highly surface-selective nitration of cellulose nanofibers under mildly acidic reaction conditions

    Cellulose nitrate (CN) is used in numerous industrial materials, such as propellants, lacquers, and plastics, exploiting its highly flammable,...

    Yasuko Saito, Ken Okada, ... Keita Sakakibara in Cellulose
    Article Open access 25 September 2023
  4. Accurate determination of the kinetics of toluene nitration in a liquid–liquid microflow system

    The nitration of toluene with mixed acid is one of the most representative nitration reactions. Accurate kinetic study is essential for controlling...

    **g Song, Yong** Cui, ... Guangsheng Luo in Journal of Flow Chemistry
    Article 22 May 2023
  5. Nitration process of 2-(2,4-dichlorophenyl)-4-(difluoromethyl)-5-methyl-1,2,4-triazol-3-one in a microreactor

    In a continuous flow microreactor system, a continuous nitration process of...

    Jian-yang Cao, **g Hou, ... Bin-dong Li in Journal of Flow Chemistry
    Article 09 November 2023
  6. Computational Fluid Dynamics for Microreactors Used in Nitration of Phenol

    Abstract

    The use of CFD for the development of hydrodynamic and kinetic models for the nitration of phenol in a microchannel is a necessary step for...

    F. Z. Chaouche, B. Bensebia, S. Kouadri Moustefaï in Theoretical Foundations of Chemical Engineering
    Article 01 December 2022
  7. 3-Guanidino-6-R-1,2,4,5-tetrazines: azine ring transformation, nitration, and salt formation

    The reaction of 3-azolyl-6-R-1,2,4,5-tetrazines with guanidine afforded a series of new 3-guanidino-6-R-1,2,4,5-tetrazines. When treated with...

    R. I. Ishmetova, N. K. Ignatenko, ... V. N. Charushin in Russian Chemical Bulletin
    Article 01 December 2023
  8. Assessment of Stability of Thermal Conditions of 2-Ethylhexanol Nitration

    The stability of steady thermal conditions of 2-ethylhexanol nitration in a laboratory unit with a centrifugal mass-transfer device was analyzed. It...

    A. G. Karpov, M. S. Vasilishin, ... A. G. Ovcharenko in Chemical and Petroleum Engineering
    Article 01 July 2022
  9. Nitration of chlorobenzene by ultrasonic-assisted synthesized sulfated ZrO2 catalyst with NO2

    Different solid superacid sulfated zirconium dioxide (SO 4 2− /ZrO 2 ) samples were successfully prepared by conventional and ultrasonic-assisted chemical...

    Renjie Deng, Haishuai Cui, ... Huajie Liu in Research on Chemical Intermediates
    Article 08 May 2023
  10. The nitration and bromination of 2-(pentafluorosulfanyl)-1,3-benzothiazole and 2-(trifluoromethyl)-1,3-benzothiazole

    The nitration and halogenation reactions of 2-(pentafluorosulfanyl)- and 2-(trifluoromethyl)-1,3-benzothiazoles were studied. Methods for the...

    Olexandr I. Guzyr, Lyudmila M. Potikha, ... Yuriy G. Shermolovich in Chemistry of Heterocyclic Compounds
    Article 01 May 2023
  11. Complete and selective nitration of tyrosine residue in peptides caused by ultraviolet matrix-assisted laser desorption/ionization

    Complete and highly selective nitration of tyrosine (Tyr) as a residue-specific modification in peptides was found without side reactions, using...

    Article 09 November 2022
  12. Kinetics and safeties of 2-Ethyl-1-hexanol nitration in a capillary-microreactor

    The nitration reaction and purification process of 2-Ethyl-1-hexanol is highly hazardous and characterized by severe thermal instability. Therefore,...

    Shuai Guo, Guang-kai Zhu, ... Bin-dong Li in Journal of Flow Chemistry
    Article 08 August 2022
  13. Nitration of Tyrosine by the Action of Pulsed Radiation of Spark-Discharge Hot Plasma

    Abstract

    The reaction mechanism of products formed in an aqueous solution by the action of pulsed radiation from hot electric discharge plasma has...

    I. P. Ivanova, I. M. Piskarev in High Energy Chemistry
    Article 13 September 2022
  14. Nitration of Petroleum Asphaltenes with Concentrated Nitric Acid under Various Conditions

    The relationships of the reaction of the of tar asphaltenes with concentrated nitric acid were studied under various quantitative, temperature, and...

    O. A. Nagornova, L. E. Foss, ... M. R. Yakubov in Chemistry and Technology of Fuels and Oils
    Article 22 September 2021
  15. Theoretical investigation of the mechanism and regioselectivity of the 3-isopropyl-1,6-dimethyl-naphthalene and ar-himachalene in nitration reaction: a MEDT study

    In this work, we investigated the mechanism and the regioselectivity of the nitration reaction of 3-isopropyl-1,6-dimethyl-naphthalene,...

    Mohammed Zoubir, Mohammed Elalaoui Belghiti, ... Abdellah Zeroual in Theoretical Chemistry Accounts
    Article 09 February 2022
  16. Novel S2O82−/Fe-ZrO2 solid superacid catalyst combined with O2-Ac2O for highly efficient catalytic nitration of 1-nitronaphthalene with NO2 to 1,5-dinitronaphthalene

    A mild, efficient, and green approach for highly selective synthesis of 1,5-dinitronaphthalene (1,5-DNN) has been devolved from catalytic nitration...

    Jiaqi Yan, **aowen Zhang, ... He’an Luo in Research on Chemical Intermediates
    Article 13 May 2023
  17. Heterogeneous nitration reaction of BSA protein with urban air: improvements in experimental methodology

    Gas-phase ozone (O 3 ) and nitrogen dioxide (NO 2 ) can react with environmentally exposed proteins to induce chemical modifications such as the...

    Rachel L. Davey, Erick J. Mattson, J. Alex Huffman in Analytical and Bioanalytical Chemistry
    Article 11 January 2022
  18. Design and scale-up of continuous di-nitration reaction using pinched tube flow reactor

    Scale-up of the di-nitration reaction for synthesis of selective herbicide pendimethalin using only nitric acid in continuous flow is presented in...

    Arshad Hussain, Mrityunjay Sharma, ... Amol A. Kulkarni in Journal of Flow Chemistry
    Article 09 August 2021
  19. Nitration of N-(fluorodinitroethyl)pyrazoles

    Conditions for the introduction of the nitro group at the position 4 of N -(fluorodinitroethyl)pyrazoles bearing an electron-withdrawing substituent...

    A. G. Gladyshkin, A. A. Anisimov, ... A. B. Sheremetev in Russian Chemical Bulletin
    Article 01 August 2022
  20. Nitration of Alkenes and Oxiranes with Nitrogen(IV) Oxide in Liquid and Supercritical Carbon Dioxide Media

    Abstract

    For the first time the reactions of radical nitration of alkenes and oxiranes with nitrogen dioxide in the liquid and supercritical carbon...

    R. E. Ivanov, M. N. Zharkov, S. G. Zlotin in Doklady Chemistry
    Article 01 October 2021
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