Search Results - "ZEID ABDULLAH AL-OTHMAN"

Determination of capsaicin and dihydrocapsaicin in Capsicum fruit samples using high performance liquid chromatography by Al Othman, Zeid Abdullah, Ahmed, Yacine Badjah Hadj, Habila, Mohamed Abdelaty, Ghafar, Ayman Abdel

“…The aim of the present study was to determine the content of capsaicin and dihydrocapsaicin in Capsicum samples collected from city markets in Riyadh (Saudi…”
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Keggin-Type Heteropolyacid for Ring-Opening Polymerization of Cyclohexene Oxide: Molecular Weight Control by Aouissi, Ahmed, Salhabi, Abdurrahman, Alothman, Zeid A.

“…Polymerization of 1,2-cyclohexene oxide (CHO) in dichloromethane was catalyzed by 12-tungstophosphoric acid (H3PW12O40·13H2O) as a super solid acid. The effect…”
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Hydrophobic mesoporous silica applied in GC separation of hexene isomers by Zhao, Yanling, Xu, Yao, Wu, Dong, Wei, Wei, Sun, Yuhan, Al-Arifi, Abdullah S. N., Aouak, Taieb, Al-Othman, Zeid Abdullah

“…A novel CH 3 -functionalized mesoporous silica material (PTM) with nearly spherical morphology was synthesized by a one-step synthesis route using…”
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Gas-Phase Synthesis of Dimethyl Carbonate from Methanol and Carbon Dioxide Over Co1.5PW12O40 Keggin-Type Heteropolyanion by Aouissi, Ahmed, Al-Othman, Zeid Abdullah, Al-Amro, Amro

“…The reactivity of Co1.5PW12O40 in the direct synthesis of dimethyl carbonate (DMC) from CO2 and CH3OH was investigated. The synthesized catalyst has been…”
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Enantioselective additions of diethylzinc to aldehydes catalyzed by titanate(IV) complex with chiral bidentate bis-amide ligands based on cyclopropane backbone by Al Majid, Abdullah M.A., Islam, Mohammad Shahidul, Al-Othman, Zeid Abdullah, Al-Salhoob, Ahlam F.

“…A set of chiral bis-amide ligands (4a–d and 5a–d) were obtained easily from readily available starting materials in a straightforward manner via acid chloride…”
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Reactivity of heteropolymolybdates and heteropolytungstates in the cationic polymerization of styrene by Aouissi, Ahmed, Al-Othman, Zeid Abdullah, Al-Anezi, Holeil

“…The two heteropolyacids H(3)PW(12)O(40) and H(3)PMo(12)O(40), and their homologous salts (NH(4))(3)PW(12)O(40), and (NH(4))(3)PMo(12)O(40) were prepared and…”
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A facile and convenient synthesis of some novel hydrazones, Schiff's base and pyrazoles incorporating thieno[2,3-b]thiophenes by Mabkhot, Yahia Nasser, Barakat, Assem, Al-Majid, Abdullah Mohammed, Al-Othman, Zeid Abdullah, Alamary, Abdullah Saleh

“…A facile and convenient synthesis of some novel hydrazones, schiff's base and pyrazoles from thieno[2,3-b]thiophene derivatives 1 have been achieved in high…”
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A practical chemo-enzymatic approach to highly enantio-enriched 10-ethyl-7,8-dihydro-γ-ionone isomers: a method for the synthesis of 4,5-didehydro-α-ionone by Barakat, Assem, Al-Majid, Abdullah M, Mabkhot, Yahia Nasser, Al-Othman, Zeid Abdullah

“…An efficient and convenient strategy for the enantioselective synthesis of enantiomerically enriched 10-ethyl-7,8-dihydro-γ-ionone isomers (R)-(+)-7, and…”
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Highly enantioselective Friedel–Crafts alkylation of indoles with α,β-unsaturated ketones with simple Cu(II)–oxazoline–imidazoline catalysts by Barakat, Assem, Islam, Mohammad Shahidul, Al Majid, Abdullah M.A., Al-Othman, Zeid Abdullah

“…A series of novel chiral ligands L1–L4 with an imidazoline–oxazoline framework have been developed as new type of non-symmetric N,N-bidentate ligands. All the…”
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Highly enantioselective Friedel–Crafts alkylation of indole with electron deficient trans-β-nitroalkenes using Zn(II)–oxazoline–imidazoline catalysts by Islam, Mohammad Shahidul, Al Majid, Abdullah M.A., Al-Othman, Zeid Abdullah, Barakat, Assem

“…The catalytic asymmetric Friedel–Crafts alkylation of indole with trans-β-nitroolefins has been developed via the catalysis of Zn(II)–oxazoline–imidazoline…”
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Biosorption potential assessment of modified pistachio shell waste for methylene blue: thermodynamics and kinetics study by Khan, Moonis Ali, Al Othman, Zeid Abdullah, Kumar, Mahendra, Ola, Mohammad Shamsul, Siddique, Masoom Raza

“…Batch scale studies were conducted to investigate biosorption potential of sodium hydroxide treated pistachio shell (PS) biomass for methylene blue (MB)…”
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Electrical Conductivity and Thermal Stability Studies on Polyaniline Sn(IV)tungstomolybdate Nanocomposite Cation-Exchange Material: Application as Pb(II) Ion-Selective Membrane Electrode by ALOthman, Zeid Abdullah, Alam, Mohammad Mezbaul, Naushad, Mu, Bushra, Rani

“…Conducting polymeric-inorganic composite ion-exchange materials are now considered as an advanced class of materials due to their excellent ion-exchange…”
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Synthesis of novel 5-monoalkylbarbiturate derivatives: new access to 1,2-oxazepines by Barakat, Assem, Islam, Mohammad Shahidul, Al-Majid, Abdullah M., Soliman, Saied M., Mabkhot, Yahia N., Al-Othman, Zeid Abdullah, Ghabbour, Hazem A., Fun, Hoong-Kun

“…[Display omitted] A simple and straightforward route to 5-monoalkylbarbiturates by the NHEt2 catalyzed Michael reaction of 1,3-dimethylbarbituric acid and…”
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Effects of sulfurization temperature on Cu2ZnSnS4 thin film deposited by single source thermal evaporation method by Zakaria, Zaihasraf, Chelvanathan, Puvaneswaran, Rashid, Mohammad Junaebur, Akhtaruzzaman, Md, Alam, Mohammad Mezbaul, Al-Othman, Zeid Abdullah, Alamoud, Abdulrahman, Sopian, Kamaruzzaman, Amin, Nowshad

“…In this study, the effects of sulfurization temperature on the properties of thermally evaporated Cu2ZnSnS4 (CZTS) thin films were investigated. Molybdenum…”
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Grafted ionic liquid: Catalyst for solventless cycloaddition of carbon dioxide and propylene oxide by Zhang, Xuelan, Wang, Dengfeng, Zhao, Ning, Al-Arifi, Abdullah S.N., Aouak, Taieb, Al-Othman, Zeid Abdullah, Wei, Wei, Sun, Yuhan

“…An ionic liquid 1-(triethoxysilyl)propyl-3-methylimidazolium hydroxide ([Smim]OH) was grafted on silica gel with different amount by post-grafting method. Such…”
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Launaea nudicaulis as a Source of New and Efficient Green Corrosion Inhibitor for Mild Steel in Acidic Medium: A Comparative Study of Two Solvent Extracts by Alkhathlan, Hamad Zaid, Khan, Merajuddin, Abdullah, Mahmood Mohammed Saeed, Al-Mayouf, Abdullah Mohammed, Mousa, Ahmad Amine, Al-Othman, Zeid Abdullah Mohammad

“…The inhibitive effect of Launaea nudicaulis methanolic (MLN) and aqueous acidic (ALN) extracts on the corrosion of mild steel in 1.0 M HCl solution was…”
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Theoretical study of TBD-catalyzed carboxylation of propylene glycol with CO2 by Ma, Jun, Zhang, Xuelan, Zhao, Ning, Al-Arifi, Abdullah S.N., Aouak, Taieb, Al-Othman, Zeid Abdullah, Xiao, Fukui, Wei, Wei, Sun, Yuhan

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Adsorptive removal of Cu(II) and Pb(II) onto mixed-waste activated carbon: kinetic, thermodynamic, and competitive studies and application to real wastewater samples by ALOthman, Zeid Abdullah, Habila, Mohamed Abdelaty, Al-Shalan, Nora H., Alfadul, Sulaiman M., Ali, Rahmat, Rashed, Ibrahim Gar Al alm, Alfarhan, Bader

“…This work aimed to investigate the adsorption characteristics, both kinetically and thermodynamically, of Cu(II) and Pb(II) removal from aqueous solutions onto…”
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Effects of sulfurization temperature on Cu 2 ZnSnS 4 thin film deposited by single source thermal evaporation method by Zakaria, Zaihasraf, Chelvanathan, Puvaneswaran, Rashid, Mohammad Junaebur, Akhtaruzzaman, Md, Alam, Mohammad Mezbaul, Al-Othman, Zeid Abdullah, Alamoud, Abdulrahman, Sopian, Kamaruzzaman, Amin, Nowshad

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Effects of sulfurization temperature on Cu sub(2) ZnSnS sub(4) thin film deposited by single source thermal evaporation method by Zakaria, Zaihasraf, Chelvanathan, Puvaneswaran, Rashid, Mohammad Junaebur, Akhtaruzzaman, Alam, Mohammad Mezbaul, Al-Othman, Zeid Abdullah, Alamoud, Abdulrahman, Sopian, Kamaruzzaman, Amin, Nowshad

“…In this study, the effects of sulfurization temperature on the properties of thermally evaporated Cu sub(2) ZnSnS sub(4)(CZTS) thin films were investigated…”
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