Abstract
The reactions of benzyl-thiophen-2-ylmethyldithiocarbamate and 4-methyl-benzyl-thiophen-2-ylmethyldithiocarbamate with six organotin compounds and one organolead compound resulted in seven dithiocarbamate complexes exhibiting different structural forms. The compounds have been characterized by multinuclear NMR and IR spectral studies. X-ray crystallographic study of the compounds were made to understand the structure and bonding in these molecules. The dithiocarbamate ligands in all the organotin and organolead complexes showed anisobidentate bonding mode, however, in case of dichlorotin bis(dithiocarbamate) symmetrically bidentate mode of bonding was observed. Representative compounds [Ph3Sn{(C6H5)(CH2)}{(C4H3S)(CH2)}NCS2] 1 and [Ph3Pb{(C6H5)(CH2)} {(C4H3S)(CH2)}NCS2] 7 on pyrolysis yielded corresponding sulfides, SnS and PbS showing the usefulness of these dithiocarbamate complexes as single source precursors for the preparation of metal sulfides.
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