Zobrazeno 1 - 10
of 320
pro vyhledávání: '"Siang-Guan Teoh"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o488-o488 (2012)
The title compound, C7H6N2O4, is approximately planar (r.m.s. deviation = 0.026 Å for the 13 non-H atoms). The molecular structure is stabilized by intramolecular N—H...O hydrogen bonds, which generate S(6) ring motifs. In the crystal, molecules a
Externí odkaz:
https://doaj.org/article/127b19debf1741af83b8bb060b759f25
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 9, Pp m1270-m1271 (2011)
In the title compound, [Sn(C6H5)3(C7H3ClNO4)], the four-coordinate SnIV atom exists in a distorted tetrahedral geometry, formed by a monodentate carboxylate group and three phenyl rings. The conformation is stabilized by an intramolecular C—H...O h
Externí odkaz:
https://doaj.org/article/cc0262267a7e46f99a929f0d4c3a01b8
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 9, Pp m1276-m1277 (2011)
The title compound, [Sn(C6H5)3(C7H5N2O4)]n, forms polymeric chains along [010]. The SnIV ion is five-coordinated in a distorted trigonal–bipyramidal geometry by two monodentate carboxylate groups and three phenyl rings. The axial sites are occupied
Externí odkaz:
https://doaj.org/article/f58b420de53c4a73b765283e84616757
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp m1114-m1115 (2011)
In the title complex, [Sn4(C4H9)8(C7H5N2O4)4O2], all four SnIV atoms are five-coordinated with distorted trigonal–bipyramidal SnC2O3 geometries. Two SnIV atoms are coordinated by two butyl groups, one benzoate O atom and two bridging O atoms, where
Externí odkaz:
https://doaj.org/article/72f90461af104032bec0e69cf4df65cd
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 2, Pp m262-m262 (2011)
In the title compound, [Cu(C4H8NO3)Cl(C10H8N2)]·H2O, the CuII atom is in a slightly distorted square-pyramidal coordination geometry with the basal plane defined by the two N atoms of the bipyridine ligand and the N and O atoms from the threoninate
Externí odkaz:
https://doaj.org/article/e59cd32cf95f4d5aa26922b220398640
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 11, Pp m1406-m1407 (2010)
The tetranuclear molecules of the title compound, [Sn4(C4H9)8(C7H5N2O4)4O2], reside on a crystallographic inversion center. Both the two independent Sn atoms are five-coordinate, with distorted trigonal–bipyramidal geometries. One Sn atom is coordi
Externí odkaz:
https://doaj.org/article/87076e7836194f25abd4d44025455a38
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 5, Pp m595-m596 (2010)
The asymmetric unit of the title compound, [Cu(C4H8NO3)(C12H8N2)(H2O)]Cl·2H2O, contains a complex cation, a chloride anion and two water molecules. The CuII ion has a distorted square-pyramidal coordination geometry formed by one bidentate phenanthr
Externí odkaz:
https://doaj.org/article/5422cedcb6fe428fb46bc24f0e62d016
Publikováno v:
IUCrData, Vol 1, Iss 4, p x160659 (2016)
In the title compound, C10H9FN4OS, which is approximately planar with a maximum deviation of 0.0881 (10) Å from the mean plane of the non-H atoms, an intramolecular N—H...O hydrogen bond generates an S(6) ring. In the crystal, molecules are linked
Externí odkaz:
https://doaj.org/article/77e155a59c7e4422b62a302271f4ae4e
Autor:
Muhammad Iqbal, Jia-Chin Dang, Sharmila Rajeswari Kanuparth, Rosenani A. Haque, Ching Kheng Quah, Chen-Shang Choong, Mohamed B. Khadeer Ahamed, Siang-Guan Teoh, Yip-Foo Win
Publikováno v:
Comptes Rendus Chimie. 18:137-148
Cancer has become a leading cause of death worldwide, which is responsible for 7.6 million cancer deaths according to GLOBOCAN survey conducted in 2008. The exploration of cis -platin analogues (carboplatin, lobaplatin, nedaplatin, oxaliplatin) and t
Autor:
Amin Malik Shah Abdul Majid, Abdussalam Salhin, Amna Qasem Ali, Mohamed B. Khadeer Ahamed, Siang Guan Teoh, Naser Eltaher Eltayeb
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 125:440-448
New derivatives of thiosemicarbazone Schiff base with isatin moiety were synthesized L1-L6. The structures of these compounds were characterized based on the spectroscopic techniques. Compound L6 was further characterized by XRD single crystal. The i