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Chkirate K, Fettach S, El Hafi M, Karrouchi K, Elotmani B, Mague JT, Radi S, Faouzi MEA, Adarsh NN, Essassi EM, Garcia Y. Solvent induced supramolecular polymorphism in Cu(II) coordination complex built from 1,2,4-triazolo[1,5-a]pyrimidine: Crystal structures and anti-oxidant activity. J Inorg Biochem 2020; 208:111092. [PMID: 32461023 DOI: 10.1016/j.jinorgbio.2020.111092] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 04/17/2020] [Accepted: 04/18/2020] [Indexed: 12/27/2022]
Abstract
Two Cu(II) coordination complexes, C1 and C2 of the formula [Cu(4)2(H2O)2], have been prepared by reaction between CuCl2·2H2O and 7-ethoxycarbonylmethyl-5-methyl-1,2,4[1,5-a]pyrimidine (L) in a 1:2 M:L molar ratio. The L molecule decomposes during the reaction process into 7-carboxy-5-methyl-[1,2,4]-triazolo[1,5-a]pyrimidine (4) through an intermediate, ethyl 2,2-dihydroxy-2-(5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)acetate (5), which has been isolated and its crystal structure determined by X-ray diffraction. The X-ray analysis of the single crystals of [Cu(4)2(H2O)2] obtained from the slow evaporation of EtOH and MeOH, separately, revealed the formation of "solvent induced" polymorphs C1 and C2, respectively. The primary supramolecular synthon for C1 and C2 are six membered ring, and square shaped hydrogen bonded architecture, respectively. The self-assembly of such synthons resulted in a two dimensional hydrogen bonded sheet supported by OH⋯O interactions. In addition, the antioxidant properties of the ligands and its complexes were evaluated in vitro using 1,1-diphenyl-2-picrylhydrazyl acid, 2,2'-azino-bis (3-ethylbenzothiazoline-6 sulfonic acid radical scavenging methods and ferric reducing antioxidant power.
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Affiliation(s)
- Karim Chkirate
- LCOH, Département de Chimie, Faculté des Sciences, Université Mohamed V, BP1014, Rabat 10100, Morocco
| | - Saad Fettach
- Biopharmaceutical and Toxicological Analysis Research Team, Laboratory of Pharmacology and Toxicology, Pharmacokinetic Research Team, Faculty of Medicine and Pharmacy, University Mohammed V of Rabat, Morocco
| | - Mohamed El Hafi
- LCOH, Département de Chimie, Faculté des Sciences, Université Mohamed V, BP1014, Rabat 10100, Morocco
| | - Khalid Karrouchi
- Laboratory of Analytical Chemistry and Bromatology, Faculty of Medicine and Pharmacy, Mohamed V University, Rabat, Morocco
| | - Bouchaib Elotmani
- LCOH, Département de Chimie, Faculté des Sciences, Université Mohamed V, BP1014, Rabat 10100, Morocco
| | - Joel T Mague
- Department of Chemistry, Tulane University, New Orleans, LA 70118, USA
| | - Smaail Radi
- LCAE, Département de Chimie, Faculté des Sciences, Université Mohamed I, BP 524, 60 000 Oujda, Morocco
| | - My El Abbes Faouzi
- Biopharmaceutical and Toxicological Analysis Research Team, Laboratory of Pharmacology and Toxicology, Pharmacokinetic Research Team, Faculty of Medicine and Pharmacy, University Mohammed V of Rabat, Morocco
| | - N N Adarsh
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium
| | - El Mokhtar Essassi
- LCOH, Département de Chimie, Faculté des Sciences, Université Mohamed V, BP1014, Rabat 10100, Morocco
| | - Yann Garcia
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium.
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Sebhaoui J, Zang Ondo CM, El Bakri Y, Essassi EM, Mague JT. (4 E)-1-Decyl-4-(2-oxopropylidene)-2,3,4,5-tetrahydro-1 H-1,5-benzodiazepin-2-one. IUCRDATA 2016. [DOI: 10.1107/s2414314616011743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The title compound, C22H32N2O2, forms bilayers with then-decyl chains in extended conformation oriented towards the interior of the bilayer structure. Weak C—H...O interactions help to stabilize the exterior surfaces. The conformation of the seven-membered ring has been analysed.
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Lahmidi S, Essaghouani A, Essassi EM, Saadi M, El Ammari L. Crystal structure of (Z)-7,8-di-chloro-4-(2-oxo-propyl-idene)-4,5-di-hydro-1H-1,5-benzodiazepin-2(3H)-one. Acta Crystallogr E Crystallogr Commun 2015; 71:o1059-60. [PMID: 26870497 PMCID: PMC4719978 DOI: 10.1107/s2056989015023750] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 12/10/2015] [Indexed: 11/10/2022]
Abstract
In the title compound, C12H10Cl2N2O2, the seven-membered heterocycle displays a half-chair conformation. The mean plane through the oxo-propyl-idene group makes a dihedral angle of 36.44 (9)° with the fused benzene ring. An intra-molecular N-H⋯O hydrogen bond to close an S(6) loop is noted. An important feature of the mol-ecular packing are N-H⋯O hydrogen bonds that lead to the formation of helical supra-molecular chains along the b axis.
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Affiliation(s)
- Sanae Lahmidi
- Laboratoire de Chimie Organique Hétérocyclique URAC 21, Pôle de Compétence Pharmacochimie, Av. Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
| | - Abdelhanine Essaghouani
- Laboratoire de Chimie Organique Hétérocyclique URAC 21, Pôle de Compétence Pharmacochimie, Av. Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
| | - El Mokhtar Essassi
- Laboratoire de Chimie Organique Hétérocyclique URAC 21, Pôle de Compétence Pharmacochimie, Av. Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
| | - Mohamed Saadi
- Laboratoire de Chimie du Solide Appliquée, Faculté des Sciences, Université Mohammed V de Rabat, Avenue Ibn Battouta, BP 1014, Rabat, Morocco
| | - Lahcen El Ammari
- Laboratoire de Chimie du Solide Appliquée, Faculté des Sciences, Université Mohammed V de Rabat, Avenue Ibn Battouta, BP 1014, Rabat, Morocco
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Čaplar V, Raza Z, Roje M, Tomišić V, Horvat G, Požar J, Piantanida I, Žinić M. Copper(I) and silver(I) complexes of 1,5-methylene- and diethylmethylene-bridged bis(oxazoline) ligands. In situ Cu(II)-catalyzed oxidation of methylene bridge. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.06.117] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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