ORCID Profile
0000-0003-2289-1601
Current Organisation
Universiti Sains Malaysia
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Publisher: International Union of Crystallography (IUCr)
Date: 06-02-2008
Publisher: Elsevier BV
Date: 10-2017
DOI: 10.1016/J.JINORGBIO.2017.07.030
Abstract: New synthesized bis-imidazolium salts that are linked by xylyl derivatives moiety, 1-4 was reacted with Ag
Publisher: Informa UK Limited
Date: 16-11-2016
Publisher: Springer Science and Business Media LLC
Date: 12-2015
Publisher: International Union of Crystallography (IUCr)
Date: 16-11-2007
Publisher: Royal Society of Chemistry (RSC)
Date: 2013
DOI: 10.1039/C2DT32303F
Abstract: A mixed-valence octanuclear manganese complex of formula [Mn(II)(4)Mn(III)(4)O(4)(ccnm)(12)]·4MeCN·7H(2)O (1·4MeCN·7H(2)O) (ccnm = carbamoylcyanonitrosomethanide) has been synthesized and characterized by single crystal X-ray diffraction, IR spectroscopy, elemental analysis and magnetic measurements. The metal core of 1 adopts a tetra-capped (with Mn(II) ions) distorted [Mn(III)(4)O(4)](4+) cubane topology, with a three-J magnetic analysis indicating that the cluster displays dominant antiferromagnetic interactions. Three equally possible fits were obtained, all leading to a spin ground state of S = 0 with S = 1, 2 and 3 close in energy. Comparisons of the magnetic analysis are made with that published for a related Mn(8) cluster and, more generally, with other Mn(III)Mn(III) and Mn(III)Mn(II) fragments in clusters of various types.
Publisher: Elsevier BV
Date: 03-2017
Publisher: International Union of Crystallography (IUCr)
Date: 17-05-2008
Publisher: International Union of Crystallography (IUCr)
Date: 03-05-2008
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: Elsevier BV
Date: 07-2013
Publisher: Elsevier BV
Date: 04-2018
DOI: 10.1016/J.EJMECH.2018.03.029
Abstract: A series of four benzimidazolium based nitrile-functionalized mononuclear-Ag(I)-N-heterocyclic carbene and binuclear-Ag(I)-N-heterocyclic carbene (Ag(I)-NHC) hexafluorophosphate complexes (5b-8b) were synthesized by reacting the corresponding hexafluorophosphate salts (1b-4b) with Ag
Publisher: American Chemical Society (ACS)
Date: 09-11-2018
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: International Union of Crystallography (IUCr)
Date: 09-09-2009
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: International Union of Crystallography (IUCr)
Date: 10-05-2008
Publisher: Elsevier BV
Date: 03-2019
Publisher: Elsevier BV
Date: 10-2019
Publisher: Elsevier BV
Date: 2016
Publisher: Elsevier BV
Date: 04-2016
Publisher: CSIRO Publishing
Date: 2012
DOI: 10.1071/CH12100
Abstract: Two novel trinuclear CuII complexes have been synthesised from the nucleophilic addition derivatives of the small cyano anion, dicyanonitrosomethanide (dcnm). The reaction of CuII with the water adduct ligand, carbamoylcyanonitrosomethanide (ccnm) and teaH3 (triethanolamine) in a basic MeOH/MeCN solution results in the formation of [Cu3(acnm)2(teaH2)2]·2MeOH (1) (acnm = amidocarbonyl(cyano)nitrosomethanide and teaH2– = singly deprotonated triethanolamine). The reaction of CuII with dicyanonitrosomethanide (dcnm) and m-xylenediamine in a basic MeOH/MeCN solution results in the formation of [Cu3(cimm)2(a3acnm)2]·6MeCN (2) (cimm = cyano(imido(methoxy)methyl)nitrosomethanide and a3acnm = {amino(3-aminomethylphenyl)methylimino}methyl(cyanonitrosomethanide)). Both complexes display linear trinuclear CuII metallic cores. Solid state DC magnetic susceptibility studies were performed on 1 and 2. Compound 1 revealed very strong antiferromagnetic interactions between central and terminal Cu atoms, while compound 2 displayed ferromagnetic interactions because of the orthogonal relationship of the terminal and the central ‘magnetic’ orbitals, which contrasts with these orbitals being coplanar in 1 thus providing strong superexchange pathways involving Cu-N-O-Cu moieties.
Publisher: Wiley
Date: 16-04-2019
DOI: 10.1002/AOC.4927
Publisher: Wiley
Date: 06-2020
DOI: 10.1002/AOC.5818
Publisher: International Union of Crystallography (IUCr)
Date: 25-01-2008
Publisher: Elsevier BV
Date: 12-2019
Publisher: Elsevier BV
Date: 12-2022
Publisher: International Union of Crystallography (IUCr)
Date: 09-11-2007
Publisher: Informa UK Limited
Date: 26-02-2015
Publisher: Elsevier BV
Date: 12-2017
Publisher: International Union of Crystallography (IUCr)
Date: 24-04-2018
DOI: 10.1107/S2056989018005959
Abstract: The title compound, C 28 H 24 N 2 O 3 , is a flexible Schiff base, having a dihedral angle of 59.53 (5)° between the mean planes of two phenyl rings bounded in the centre by a single O atom. The dihedral angles between the mean planes of the phenyl rings bonded to the central O atom and the mean planes of the terminal methylphenol rings are 31.47 (6) and 36.03 (5)°, respectively. The sp 2 -hybridized character of the azanylylidene groups is confirmed by their bond lengths and bond angles. In the crystal, molecules are linked into centrosymmetric dimers by weak C—H...N interactions and connected into dimeric chains through weak C—H...O interactions. These chains are interconnected into a two-dimensional network parallel to (1\\overline{2}1) via weak C—H...π interactions.
Publisher: Hindawi Limited
Date: 31-07-2022
DOI: 10.1155/2022/2004052
Abstract: S-4-methylbenzyl-β-N-(2-methoxybenzylmethylene)dithiocarbazate ligand, 1, prepared from S-(4-methylbenzyl)dithiocarbazate, was used to produce a novel series of transition metal complexes of the type, [M (L)2] [M = Cu(II) (2), Ni(II) (3), and Zn(II) (4), L = 1]. The ligand and its complexes were investigated by elemental analysis, FTIR, 1H and 13C-NMR, MS spectrometry, and molar conductivity. In addition, single X-ray crystallography was also performed for ligand, 1, and complex 3. The Hirshfeld surface analyses were also performed to know about various bonding interactions in the ligand, 1, and complex 3. The investigated compounds were also tested to evaluate their cytotoxic behaviour. However, complex 2 showed promising results against MCF-7 and MDA-MB-213 cancer cell lines. Furthermore, the interaction of CT-DNA with ligand, 1, and complex 2 was also studied using the electronic absorption method, revealing that the compounds have potential DNA-binding ability via hydrogen bonding and hydrophobic and van der Waals interactions. A molecular docking study of complex 2 was also carried out, which revealed that free binding free energy value was −7.39 kcal mol−1.
Publisher: International Union of Crystallography (IUCr)
Date: 21-11-2015
DOI: 10.1107/S2056989015021180
Abstract: In the molecule of the title compound, C 21 H 17 N 3 O 2 , the 5,6-dihydrobenzimidazo[1,2- c ]quinazoline moiety is disordered over two orientations about a pseudo-mirror plane, with a refined occupancy ratio of 0.863 (2):0.137 (2). The dihedral angles formed by the benzimidazole ring system and the benzene ring of the quinazoline group are 14.28 (5) and 4.7 (3)° for the major and minor disorder components, respectively. An intramolecular O—H...O hydrogen bond is present. In the crystal, molecules are linked by O—H...N hydrogen bonds, forming chains running parallel to [10-1].
Publisher: Informa UK Limited
Date: 28-07-2016
Publisher: Wiley
Date: 09-10-2012
Publisher: Informa UK Limited
Date: 22-01-2018
Publisher: Elsevier BV
Date: 12-2019
Publisher: Wiley
Date: 05-2014
DOI: 10.1002/HC.21160
Publisher: MDPI AG
Date: 18-10-2016
DOI: 10.3390/CRYST6100096
Publisher: Elsevier BV
Date: 10-2016
Publisher: Elsevier BV
Date: 03-2018
Publisher: Elsevier BV
Date: 03-2013
Publisher: International Union of Crystallography (IUCr)
Date: 12-12-2007
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C7NJ01552F
Abstract: A solution of [Cu 2 I 2 L 2 (MeCN) 2 ] ( 1 ) in dichloromethane (DCM) assisted the removal of MeCN and N -(4-pyridinyl)-9,10-dihydroethanoanthracene-11,12-dicarboximide ( L ) from the crystal of 1 , leading to an unprecedented SCSC transformation.
Publisher: Informa UK Limited
Date: 04-05-2018
Publisher: Informa UK Limited
Date: 07-09-2018
Publisher: International Union of Crystallography (IUCr)
Date: 21-09-2018
DOI: 10.1107/S2056989018013129
Abstract: In the title compound, C 18 H 27 N 3 OS, the cyclohexane ring has a chair conformation. The azomethine C=N double bond has an E configuration. The nearly planar hydrazinecarbothioamide moiety and substituted benzene ring are twisted by 31.13 (5)° relative to each other. The amide moiety and the cyclohexane ring are almost perpendicular to each other a similar conformation was previously observed in reported structures. In the crystal, molecules are linked by N—H...S hydrogen bonds, forming inversion dimers with an R 2 2 (8) ring motif.
Publisher: Informa UK Limited
Date: 18-06-2014
Publisher: Springer Science and Business Media LLC
Date: 16-02-2018
Publisher: International Union of Crystallography (IUCr)
Date: 25-01-2008
Publisher: Informa UK Limited
Date: 10-2020
Publisher: Wiley
Date: 16-04-2013
Publisher: Elsevier BV
Date: 03-2020
Publisher: Elsevier BV
Date: 09-2022
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: Elsevier BV
Date: 08-2017
Publisher: International Union of Crystallography (IUCr)
Date: 09-09-2009
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: Informa UK Limited
Date: 03-04-2019
Publisher: Wiley
Date: 03-2016
Publisher: Springer Science and Business Media LLC
Date: 28-10-2014
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: Wiley
Date: 16-02-2017
DOI: 10.1002/AOC.3735
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: Wiley
Date: 16-12-2014
DOI: 10.1002/AOC.3256
Publisher: Elsevier BV
Date: 12-2020
Publisher: Elsevier BV
Date: 09-2015
Publisher: Wiley
Date: 20-11-2016
DOI: 10.1002/AOC.3655
Publisher: Walter de Gruyter GmbH
Date: 03-2017
Abstract: Silver(I)- N -heterocyclic carbene (Ag(I)-NHC) complexes of mononuclear and binuclear species, synthesised by our group and others in recent years, offer a fascinating outlook on their bioactivity. These complexes advance a range of adaptable structural patterns, leading to intra-specific variation in anticancer and antimicrobial activities. This study therefore reviews the synthesis, structural analysis and bioactivity of Ag complexes derived from mononuclear-NHC complexes either with coordinating or non-coordinating anions and binuclear NHC complexes. Specifically, the effect of stability, chain lengths and lipophilicity on the biological activity of recently reported Ag(I)-NHC complexes is reviewed. These complexes can be further explored as novel antibacterial and anticancer drugs in the nearest future.
Publisher: Informa UK Limited
Date: 27-07-2022
Publisher: Elsevier BV
Date: 11-2013
Publisher: International Union of Crystallography (IUCr)
Date: 03-10-2015
DOI: 10.1107/S2056989015018113
Abstract: The molecule of the title Schiff base compound, C 14 H 14 N 2 O 2 , displays an E conformation with respect the imine C=N double bond. The molecule is approximately planar, with the dihedral angle formed by the planes of the pyridine and benzene rings being 5.72 (6)°. There is an intramolecular hydrogen bond involving the phenolic H and imine N atoms.
Publisher: Elsevier BV
Date: 07-2021
Publisher: Elsevier BV
Date: 12-2017
Publisher: International Union of Crystallography (IUCr)
Date: 25-01-2008
Publisher: Springer Science and Business Media LLC
Date: 05-02-2014
Publisher: Elsevier BV
Date: 07-2017
Publisher: Springer Science and Business Media LLC
Date: 12-07-2016
Publisher: Informa UK Limited
Date: 22-09-2016
Publisher: Elsevier BV
Date: 03-2019
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: International Union of Crystallography (IUCr)
Date: 26-04-2008
Publisher: Elsevier BV
Date: 02-2017
Publisher: International Union of Crystallography (IUCr)
Date: 03-05-2008
No related grants have been discovered for Mohd Rizal Razali.