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Syntheses and characterizations of diorganotin(IV) complexes with L-cysteine: Crystal structure of [(CH3)2Sn(L-C3H5NO2S)· H2O]

✍ Scribed by Chunlin Ma; Junhong Zhang; Rufen Zhang

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
124 KB
Volume
14
Category
Article
ISSN
1042-7163

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✦ Synopsis

Five diorganotin(IV) derivatives of Lcysteine have been synthesized and characterized by 1 H, 13 C, 119 Sn NMR, and IR spectroscopies along with elemental analyses. The diorganotin(IV) complexes were readily obtained from the reactions of diorganotin(IV) dichlorides and L-cysteine. The crystal structure of [(CH 3 ) 2 Sn(L-C 3 H 5 NO 2 S)•H 2 O] contains a onedimensional infinite "S" conformation polymeric chain, with the L-cysteine acting as a bridged tridentate ligand. The tin(IV) atom, bonding to two methyl carbons, amino nitrogen atom, thiol sulfur atom, and carboxylate oxygen atom, has a five-coordinated trigonal bipyramid environment.

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