6533b859fe1ef96bd12b8099
RESEARCH PRODUCT
Organotin(IV) derivatives of the ambidentate ligand 2-thiouracil. Infrared, Mössbauer, 1H and 13C NMR studies
G. C. StoccoAlan G. OsborneMaria Assunta GirasoloLorenzo Pelleritosubject
chemistry.chemical_classificationLigandChemistryStereochemistryInfrared spectroscopyCarbon-13 NMRRing (chemistry)Inorganic ChemistryCrystallographyMössbauer spectroscopyMaterials ChemistryMoleculeChelationPhysical and Theoretical ChemistryInorganic compounddescription
Abstract Complexes Bu 2 n Sn(s 2 UraH −2 and [Me 2 SnOH] 2 (s 2 UraH −2 have been synthesized. Comparison of infrared spectra of the solid complexes with spectra of s 2 Ura and (PhHg) 2 (s 2 UraH −2 complex and point charge calculations (Mossbauer spectra) allow assignment of structures for the complexes of this ambivalent ligand. Polymeric structures are proposed for the complexes in the solid state, where the organometallic moieties are bonded to exocyclic S and N(3) atoms of the dianionic base, with formation of a four-membered chelate ring for Bu 2 n Sn(s 2 UraH −2 ). For [Me 2 SnOH] 2 (s 2 UraH −2 , 1 H and 13 C NMR data suggest retention of penta-coordination in trifluoacetic acid solution and indicate rapid exchange of Me 2 SnOH + between the binding sites.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1984-03-01 | Inorganica Chimica Acta |