title: Bioactivity of novel transition metal complexes of N'-[(4-methoxy)thiobenzoyl]benzoic acid hydrazide.
abstract: Cu(II), Fe(III), and Mn(II) complexes of a novel ligand N'-[(4-methoxy)thiobenzoyl]benzoic acid hydrazide (H(2)mtbh) have been synthesized and characterized by elemental analyses, IR, UV-vis, NMR, mass, EPR and Mössbauer spectroscopy. The results suggest a square planar structure for [Cu(Hmtbh)Cl] and [Cu(mtbh)] whereas an octahedral structure for [Mn(Hmtbh)(2)] and [Fe(Hmtbh)(mtbh)]. Mn(II) and Fe(III) complexes were found to inhibit proliferation of HT29 cells. [Mn(Hmtbh)(2)] and [Fe(Hmtbh)(mtbh)] inhibited proliferation of HT29 cells with half maximal inhibition (IC(50)) of 8.15+/-0.87 and 68.1+/-4.8 microM, respectively, whereas H(2)mtbh showed growth inhibition with IC(50) of 90.9+/-7.8 microM and were able to inhibit NMT activity in vitro. Mn(II) and Fe(III) complexes inhibited NMT activity in a dose dependent manner with IC(50) values of 20+/-2.2 and 60+/-7.2 microM, respectively, whereas ligand (H(2)mtbh) displayed IC(50) of 3.2+/-0.5 mM.
authors.affiliation: Department of Pathology and Laboratory Medicine, College of Medicine, University of Saskatchewan, 20 Campus Drive, Saskatoon, SK, Canada S7N 4H4.
authors.forename: Anuraag
authors.initials: A
authors.lastname: Shrivastav
authors.forename: Pratibha
authors.initials: P
authors.lastname: Tripathi
authors.forename: Ajay K
authors.initials: AK
authors.lastname: Srivastava
authors.forename: Nand K
authors.initials: NK
authors.lastname: Singh
authors.forename: Rajendra K
authors.initials: RK
authors.lastname: Sharma
mesh_terms: D000217:Acyltransferases / Q000037:antagonists & inhibitors / Q000378:metabolism; D000970:Antineoplastic Agents / Q000737:chemistry* / Q000378:metabolism / Q000494:pharmacology*; D045744:Cell Line, Tumor; D049109:Cell Proliferation / Q000187:drug effects; D015195:Drug Design; D006801:Humans; D006834:Hydrazines / Q000737:chemistry* / Q000378:metabolism / Q000494:pharmacology*; D009682:Magnetic Resonance Spectroscopy; D009942:Organometallic Compounds / Q000737:chemistry* / Q000378:metabolism / Q000494:pharmacology*; D013055:Spectrophotometry, Infrared; D028561:Transition Elements / Q000737:chemistry*
chemical_list: D000970:Antineoplastic Agents; D006834:Hydrazines; D009942:Organometallic Compounds; D028561:Transition Elements; D000217:Acyltransferases; C050480:glycylpeptide N-tetradecanoyltransferase