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Faraj I, Oubella A, Chkirate K, Al Mamari K, Hökelek T, Mague JT, El Ghayati L, Sebbar NK, Essassi EM. Crystal structure, Hirshfeld surface analysis and DFT calculations of ( E)-3-[1-(2-hy-droxy-phenyl-anilino)ethyl-idene]-6-methyl-pyran-2,4-dione. Acta Crystallogr E Crystallogr Commun 2022; 78:864-870. [PMID: 35974825 PMCID: PMC9361371 DOI: 10.1107/s2056989022007514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
The asymmetric unit of the title compound, C14H13NO4, contains three independent mol-ecules, which differ slightly in conformation. Each contains an intra-molecular N-H⋯O hydrogen bond. In the crystal, O-H⋯O hydrogen bonds form chains of mol-ecules, which are linked into corrugated sheets parallel to (03) plane by C-H⋯O hydrogen bonds together with π inter-actions between the carbonyl groups and the 2-hy-droxy-phenyl rings. The layers are linked by further C-H⋯O hydrogen bonds. The Hirshfeld surface analysis of the crystal structure indicates that the most important contributions for the crystal packing are from H⋯H (49.0%), H⋯O/O⋯H (28.3%) and H⋯C/C⋯H (10.9%) inter-actions. van der Waals inter-actions are the dominant inter-actions in the crystal packing. Moreover, density functional theory (DFT) optimized structures at the B3LYP/ 6-311 G(d,p) level are compared with the experimentally determined mol-ecular structure in the solid state. The HOMO-LUMO behavior was elucidated to determine the energy gap of 4.53 eV.
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Affiliation(s)
- Imane Faraj
- Laboratory of Heterocyclic Organic Chemistry, Medicines Science Research Center, Pharmacochemistry Competence Center, Mohammed V University in Rabat, Faculté des Sciences, Av. Ibn Battouta, BP 1014, Rabat, Morocco
| | - Ali Oubella
- Laboratory of Chemistry and Environment, Applied Bioorganic Chemistry Team, Faculty of Sciences, Ibn Zohr University, Agadir, Morocco
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences, Semlalia, B.P 2390, Marrakech 40001, Morocco
| | - Karim Chkirate
- Laboratory of Heterocyclic Organic Chemistry, Medicines Science Research Center, Pharmacochemistry Competence Center, Mohammed V University in Rabat, Faculté des Sciences, Av. Ibn Battouta, BP 1014, Rabat, Morocco
| | - Khalil Al Mamari
- Department Of Chemistry – Faculty of Education – University of Hodiedah, Yemen
| | - Tuncer Hökelek
- Department of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Joel T. Mague
- Department of Chemistry, Tulane University, New Orleans, LA 70118, USA
| | - Lhoussaine El Ghayati
- Laboratory of Heterocyclic Organic Chemistry, Medicines Science Research Center, Pharmacochemistry Competence Center, Mohammed V University in Rabat, Faculté des Sciences, Av. Ibn Battouta, BP 1014, Rabat, Morocco
| | - Nada Kheira Sebbar
- Laboratory of Heterocyclic Organic Chemistry, Medicines Science Research Center, Pharmacochemistry Competence Center, Mohammed V University in Rabat, Faculté des Sciences, Av. Ibn Battouta, BP 1014, Rabat, Morocco
- Laboratory of Chemistry and Environment, Applied Bioorganic Chemistry Team, Faculty of Sciences, Ibn Zohr University, Agadir, Morocco
| | - El Mokhtar Essassi
- Laboratory of Heterocyclic Organic Chemistry, Medicines Science Research Center, Pharmacochemistry Competence Center, Mohammed V University in Rabat, Faculté des Sciences, Av. Ibn Battouta, BP 1014, Rabat, Morocco
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Wang TY, Su YC, Ko BT, Hsu Y, Zeng YF, Hu CH, Datta A, Huang JH. Ring-Opening Polymerization of ε-Caprolactone and Styrene Oxide-CO 2 Coupling Reactions Catalyzed by Chelated Dehydroacetic Acid-Imine Aluminum Complexes. Molecules 2021; 27:164. [PMID: 35011395 PMCID: PMC8746973 DOI: 10.3390/molecules27010164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/24/2021] [Accepted: 12/25/2021] [Indexed: 12/04/2022] Open
Abstract
A series of chelated dehydroacetic acid-imine-based ligands L1H~L4H was synthesized by reacting dehydroacetic acid with 2-t-butylaniline, (S)-1-phenyl-ethylamine, 4-methoxylbenzylamine, and 2-(aminoethyl)pyridine, respectively, in moderate yields. Ligands L1H~L4H reacted with AlMe3 in toluene to afford corresponding compounds AlMe2L1 (1), AlMe2L2 (2), AlMe2L3 (3), and AlMe2L4 (4). All the ligands and aluminum compounds were characterized by IR spectra, 1H and 13C NMR spectroscopy. Additionally, the ligands L1H~L4H and corresponding aluminum derivatives 1, 3, and 4 were characterized by single-crystal X-ray diffractometry. The catalytic activities using these aluminum compounds as catalysts for the ε-caprolactone ring-opening polymerization (ROP) and styrene oxide-CO2 coupling reactions were studied. The results show that increases in the reaction temperature and selective solvent intensify the conversions of ε-caprolactone to polycaprolactone. Regarding the coupling reactions of styrene oxide and CO2, the conversion rate is over 90% for a period of 12 h at 90 °C. This strategy dispenses the origination of cyclic styrene carbonates, which is an appealing concern because of the transformation of CO2 into an inexpensive, renewable and easy excess carbon feedstock.
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Affiliation(s)
- Ting-Yen Wang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan; (T.-Y.W.); (Y.H.); (Y.-F.Z.); (C.-H.H.); (A.D.)
| | - Yu-Chia Su
- Department of Chemistry, National Chung-Hsing University, Taichung 402, Taiwan; (Y.-C.S.); (B.-T.K.)
| | - Bao-Tsan Ko
- Department of Chemistry, National Chung-Hsing University, Taichung 402, Taiwan; (Y.-C.S.); (B.-T.K.)
| | - Yu Hsu
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan; (T.-Y.W.); (Y.H.); (Y.-F.Z.); (C.-H.H.); (A.D.)
| | - Yu-Fang Zeng
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan; (T.-Y.W.); (Y.H.); (Y.-F.Z.); (C.-H.H.); (A.D.)
| | - Ching-Han Hu
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan; (T.-Y.W.); (Y.H.); (Y.-F.Z.); (C.-H.H.); (A.D.)
| | - Amitabha Datta
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan; (T.-Y.W.); (Y.H.); (Y.-F.Z.); (C.-H.H.); (A.D.)
| | - Jui-Hsien Huang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan; (T.-Y.W.); (Y.H.); (Y.-F.Z.); (C.-H.H.); (A.D.)
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Colletopyrandione, a new phytotoxic tetrasubstituted indolylidenepyra n -2,4-dione, and colletochlorins G and H, new tetrasubstituted chroman- and isochroman-3,5-diols isolated from Colletotrichum higginsianum. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.10.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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