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Sallam HH, Mohammed YHI, Al-Ostoot FH, M. A. S, Khanum SA. Synthesis, crystal structure characterization, DFT calculations, Hirshfeld surface analysis and 3D energy frameworks of triazole pyridazine derivatives: Theoretical and experimental studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Pyrimido[1,2- a]benzimidazoles: synthesis and perspective of their pharmacological use. Chem Heterocycl Compd (N Y) 2021; 57:383-409. [PMID: 34024913 PMCID: PMC8121645 DOI: 10.1007/s10593-021-02916-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 01/12/2021] [Indexed: 01/26/2023]
Abstract
The review presents data on the synthesis as well as studies of biological activity of new derivatives of pyrimido[1,2-a]benzimidazoles published over the last decade. The bibliography of the review includes 136 sources.
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Synthesis, crystal structure, TD/DFT calculations and Hirshfeld surface analysis of 1-(4-((Benzo)dioxol-5-ylmethyleneamino)phenyl)ethanone oxime. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127552] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Zaini MF, Razak IA, Khairul WM, Arshad S. Structural, Hirshfeld and DFT studies of conjugated D-π- A carbazole chalcone crystal. Acta Crystallogr E Crystallogr Commun 2020; 76:387-391. [PMID: 32148881 PMCID: PMC7057368 DOI: 10.1107/s2056989020002054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/12/2020] [Indexed: 11/23/2022]
Abstract
A new conjugated carbazole chalcone compound, (E)-3-[4-(9,9a-di-hydro-8aH-carbazol-9-yl)phen-yl]-1-(4-nitro-phen-yl)prop-2-en-1-one (CPNC), C27H18N2O3, was synthesized using a Claisen-Schmidt condensation reaction. CPNC crystallizes in the monoclinic non-centrosymmetric space group Cc and adopts an s-cis conformation with respect to the ethyl-enic double bonds (C=O and C=C). The crystal packing features C-H⋯O and C-H⋯π inter-actions whose percentage contribution was qu-anti-fied by Hirshfeld surface analysis. Quantum chemistry calculations including geometrical optimization and mol-ecular electrostatic potential (MEP) were analysed by density functional theory (DFT) with a B3LYP/6-311 G++(d,p) basis set.
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Affiliation(s)
- Muhamad Fikri Zaini
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
| | - Ibrahim Abdul Razak
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
| | - Wan Mohd Khairul
- School of Fundamental Science, Universiti Malaysia Terengganu, 21030, Kuala Terengganu, Terengganu, Malaysia
| | - Suhana Arshad
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
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Mabkhot YN, Al-Showiman SS, Barakat A, Soliman SM, Kheder NA, Alharbi MM, Asayari A, Muhsinah AB, Ullah A, Badshah SL. Computational studies of 2-(4-oxo-3-phenylthiazolidin-2-ylidene)malononitrile. BMC Chem 2019; 13:25. [PMID: 31384774 PMCID: PMC6661733 DOI: 10.1186/s13065-019-0542-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 02/01/2019] [Indexed: 11/10/2022] Open
Abstract
The molecular structure of the 2-(4-oxo-3-phenylthiazolidin-2-ylidene) malononitrile (3) is calculated using DFT B3LYP/6-311G(d, p) method. The calculated geometric parameters are in good agreement with the experimental data. The NBO calculations were performed to predict the natural atomic charges at the different atomic sites and study the different intramolecular charge transfer (ICT) interactions occurring in the studied system. The BD(2)C17-C19 → BD*(2)C14-C15, LP(2)O2 → BD*(1)N5-C9 and LP(1)N5 → BD*(2)C10-C11 ICT interactions causing stabilization of the system by 23.30, 30.63 and 52.48 kcal/mol, respectively. The two intense electronic transition bands observed experimentally at 249 nm and 296 nm are predicted using the TD-DFT calculations at 237.9 nm (f = 0.1618) and 276.4 nm (f = 0.3408), respectively. These electronic transitions are due to H-3 → L (94%) and H → L (95%) excitations, respectively.
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Affiliation(s)
- Yahia N Mabkhot
- 1Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, 61441 Saudi Arabia
| | - Salim S Al-Showiman
- 2Department of Chemistry, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - A Barakat
- 2Department of Chemistry, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451 Saudi Arabia.,3Department of Chemistry, Faculty of Science, Alexandria University, P.O Box 426, Ibrahimia Alexandria, 21321 Egypt
| | - S M Soliman
- 3Department of Chemistry, Faculty of Science, Alexandria University, P.O Box 426, Ibrahimia Alexandria, 21321 Egypt.,4Department of Chemistry, Rabigh College of Science and Art, King Abdulaziz University, Jeddah, 21589 Saudi Arabia
| | - Nabila A Kheder
- 5Department of Chemistry, Faculty of Science, Cairo University, Giza, 12613 Egypt
| | - Mohammed M Alharbi
- 2Department of Chemistry, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - Abdulrahman Asayari
- 6Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha, 61441 Saudi Arabia
| | - Abdullatif Bin Muhsinah
- 6Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha, 61441 Saudi Arabia
| | - Asad Ullah
- 7Department of Chemistry, Islamia College University Peshawar, Peshawar, 25120 KPK Pakistan
| | - Syed Lal Badshah
- 7Department of Chemistry, Islamia College University Peshawar, Peshawar, 25120 KPK Pakistan
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Khamees HA, Jyothi M, Khanum SA, Madegowda M. Synthesis, crystal structure, spectroscopic characterization, docking simulation and density functional studies of 1-(3,4-dimethoxyphenyl) -3-(4-flurophenyl)-propan-1-one. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.02.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Gopi C, Sastry VG, Dhanaraju MD. Synthesis and spectroscopic characterisation of novel bioactive molecule of 3-(2-substituted)-1H-indol-3-yl)-1-(thiophen-2yl)prop-2-en-1-one chalcone derivatives as effective anti-oxidant and anti-microbial agents. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2016. [DOI: 10.1016/j.bjbas.2016.08.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Zaltariov MF, Cojocaru C, Shova S, Sacarescu L, Cazacu M. Synthesis, structural characterization and quantum chemical studies of silicon-containing benzoic acid derivatives. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.05.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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