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Qaroush AK, Hasan AK, Hammad SB, Al-Qaisi FM, Assaf KI, Alsoubani F, Eftaiha AF. Mechanistic insights on CO 2 utilization using sustainable catalysis. NEW J CHEM 2021. [DOI: 10.1039/d1nj04757d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Caffeinium halides were used to catalyse the cycloaddition of CO2 to form cyclic carbonates. The reaction intermediates were isolated and characterized experimentally. The reaction mechanism has been confirmed by DFT calculations.
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Affiliation(s)
- Abdussalam K. Qaroush
- Department of Chemistry, Faculty of Science, The University of Jordan, Amman 11942, Jordan
| | - Areej K. Hasan
- Department of Chemistry, Faculty of Science, The University of Jordan, Amman 11942, Jordan
| | - Suhad B. Hammad
- Department of Chemistry, Faculty of Science, The University of Jordan, Amman 11942, Jordan
| | - Feda’a M. Al-Qaisi
- Department of Chemistry, Faculty of Science, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan
| | - Khaleel I. Assaf
- Department of Chemistry, Faculty of Science, Al-Balqa Applied University, 19117 Al-Salt, Jordan
| | - Fatima Alsoubani
- Department of Chemistry, Faculty of Science, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan
| | - Ala’a F. Eftaiha
- Department of Chemistry, Faculty of Science, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan
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Merkelbach J, Majewski MA, Reiss GJ. Crystal structure of caffeinium triiodide – caffeine (1/1), C 16H 21I 3N 8O 4. Z KRIST-NEW CRYST ST 2018. [DOI: 10.1515/ncrs-2018-0125] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C16H21I3N8O4, monoclinic, P21/n (no. 14), a = 14.7257(7) Å, b = 10.5712(5) Å, c = 16.7501(8) Å, β = 114.408(2)°, V = 2374.4(2) Å3, Z = 4, R
gt(F) = 0.0254, wR
ref(F
2) = 0.0760, T = 290(2) K.
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Affiliation(s)
- Johannes Merkelbach
- Institut für Anorganische Chemie und Strukturchemie, Lehrstuhl II: Material- und Strukturforschung , Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1 , 40225 Düsseldorf , Germany
| | - Martha A. Majewski
- Institut für Anorganische Chemie und Strukturchemie, Lehrstuhl II: Material- und Strukturforschung , Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1 , 40225 Düsseldorf , Germany
| | - Guido J. Reiss
- Institut für Anorganische Chemie und Strukturchemie, Lehrstuhl II: Material- und Strukturforschung , Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1 , 40225 Düsseldorf , Germany
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Leyssens T, Tumanova N, Robeyns K, Candoni N, Veesler S. Solution cocrystallization, an effective tool to explore the variety of cocrystal systems: caffeine/dicarboxylic acid cocrystals. CrystEngComm 2014. [DOI: 10.1039/c4ce01495b] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chan KK, Ganguly R, Li Y, Webster RD. Electrochemically Controlled One-Electron Oxidation Coupled to Consecutive Hydrogen Atom Transfer of Caffeine. ChemElectroChem 2014. [DOI: 10.1002/celc.201402203] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Suresh Kumar G, Seethalakshmi P, Sumathi D, Bhuvanesh N, Kumaresan S. Syntheses, structural characterization, and DPPH radical scavenging activity of cocrystals of caffeine with 1- and 2-naphthoxyacetic acids. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2012.12.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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7
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Perumalla SR, Sun CC. Confused HCl: Hydrogen Chloride or Hydrochloric Acid? Chemistry 2012; 18:6462-4. [DOI: 10.1002/chem.201103669] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 03/20/2012] [Indexed: 11/09/2022]
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Abstract
Abstract
The structures of the ordered crystals of tetra(n-butyl)ammonium triiodide [I: a = 15.791(8), b = 15.993(8), c = 9.578(5)Å, α = 74.48(8)°, β = 101.52(9), γ = 96.63(9)°, P[unk], Z =4)] and (benzamide)2 · HI3; [II: a = 20.824(10), b = 9.874(5), c = 9.620(5) Å, α = 95.58(9), β = 102.10(10), γ = 94.72(9)°, P[unk], Z=4] have been fully refined, while that of caffeine · H2O · HI3 [III: a = 14.043(5), b = 12.202(5), c = 9.701(5)Å, β = 106.5(1), P21/a, Z = 4] has been determined in outline because of unresolved problems of disorder. Intensity measurements were made on a four-circle diffractometer using graphite-monochromated MoKα. The numbers of reflections used in the final refinement cycle were: 15370, II5295, III 2971.I has cations of D
2
d symmetry (i.e. in the form of flattened crosses) which interleave to form channels of rectangular cross-section with axes along [001]; these channels contain single, almost-linear chains of triiodide ions, with weak I[unk] – I[unk] interactions within the chains. II is a pseudo-Type A basic salt, with pairs of benzamide molecules, (joined by a short, presumably symmetrical, proton bond between carbonyl groups) forming the cations; these cations are arranged so as to leave channels (axes along [001]) of rectangular cross-section which contain double, almost-linear chains of triiodide ions. In III the caffeine molecules are presumably protonated at N(9) and are hydrogen bonded via water molecules to form corrugated sheets, the molecular plane being in the sheets. These sheets are so disposed as to leave channels of rectangular cross-section which contain double chains of polyiodide ions. One of the three iodines is disordered along the chain direction and it was not possible to identify the nature of the chains ( –I[unk]
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Valach F, Tokarčík M, Melník M. Distortion isomerism and plasticity of the coordination sphere of binuclear Cu(II) complexes: Crystal structure of the monoclinic isomer of [Cu2(2-bromopropionato)4(caffeine)2]. J COORD CHEM 2008. [DOI: 10.1080/00958970802244968] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- F. Valach
- a Faculty of Chemical and Food Technology , Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology in Bratislava , Radlinského 9, SK-812 37 Bratislava, Slovak Republic
| | - M. Tokarčík
- a Faculty of Chemical and Food Technology , Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology in Bratislava , Radlinského 9, SK-812 37 Bratislava, Slovak Republic
| | - M. Melník
- b Institute of Natural and Humanities Sciences, Alexander Dubček University , SK-91101 Trenčín, Slovak Republic
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Koman M, Melnı́k M, Moncol' J, Glowiak T. Caffeine in copper(II) complexes: crystal and molecular structure of di(caffeine)tetrakis(naproxenato)dicopper(II). INORG CHEM COMMUN 2000. [DOI: 10.1016/s1387-7003(00)00122-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Moreno-Vida MI, Colacio-Rodriguez E, Moreno-Carretero MN, Salas-Peregrin JM, Simard M, Beauchamp AL. Bromopalladates(II) of xanthine derivatives. Crystal structure of 1,3,8-trimethylxanthinium tribromopalladate(II) monohydrate. Inorganica Chim Acta 1989. [DOI: 10.1016/s0020-1693(00)80542-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Crowston EH, Goodgame DM, Hayman PB, Slawin AM, Williams DJ. Platinum(II) complexes of methyl-substituted xanthines: crystal structures of K[Pt(theobromine)Cl3]·H2O, trans-[ Pt(isocaffeine)2Cl2]·H2O and K(isocaffeinium)[PtCl4]·H2O. Inorganica Chim Acta 1986. [DOI: 10.1016/s0020-1693(00)81634-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lenard D, McDowell C. Endor studies of free radicals trapped in X-ray irradiated single crystals of caffeine hydrochloride dihydrate. J Mol Struct 1984. [DOI: 10.1016/0022-2860(84)85176-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Goodgame DM, Hayman PB, Riley RT, Williams DJ. Caffeine complexes of platinum(II): crystal structure of cis-[Pt(C8H10N4O2)2Cl2]·0.4H2O. Inorganica Chim Acta 1984. [DOI: 10.1016/s0020-1693(00)81785-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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