Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 696, Issue 15-16, Pages 2772-2781Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2011.04.010
Keywords
Organotin(IV) derivatives; ONO schiff base; Dimeric; Supramolecular; Antifungal; Antibacterial; Antileishmanial; Antiurease
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Funding
- Higher Education Commission of Pakistan
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The paper describes the synthesis and structural characterization of six new diorganotin(IV) compounds 1-6, [R2SnL] and a monoorganotin(IV) derivative, C4H9SnClL (7). Here L N'-(5-bromo-2-oxidobenzylidene)-N-(oxidomethylene)hydrazine ligand with ONO tridentate chelation capability and R = CH3 (1), C2H5 (2), n-C4H9 (3), C6H5 (4), C8H17 (5), tert-C4H9 (6), The packing diagram offers a supramolecular structure for 1 and a dimeric structure for 4 with distorted square-pyramidal and distorted trigonal geometry, respectively. The different geometry of 1 than 4 can be attributed to the presence of intermolecular non-covalent Sn-O and Sn-H interactions in the former. The antifungal, antibacterial, antiurease and antileishmanial activities of these complexes proved them to be active biologically and may be formulated as new metal-based drugs in future. (C) 2011 Elsevier B.V. All rights reserved.
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