0000000000387610

AUTHOR

Terence N. Mitchell

showing 2 related works from this author

Tetramethylditin complexes: A general method for the preparation of a class of compounds with an unusual tintin bond

1980

Abstract The preparation and physical and spectroscopic properties of eight compounds of the type Me4Sn2X2 (X  O2CR, S2CNR2, S2P(OR)2) are described, starting from Me4Sn2Cl2. The spectroscopic data indicate that X functions as an isobidentate ligand. The tintin coupling constants are extremely large (ca. 11–15 kHz), and can be correlated with the pKa values of the corresponding acids HX.

Inorganic ChemistryCoupling constantClass (set theory)General methodComputational chemistryChemistryLigandOrganic ChemistryMaterials ChemistryPhysical and Theoretical ChemistryBiochemistryJournal of Organometallic Chemistry
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Fourier transform nmr investigations of organotin compounds

1980

Abstract NMR spectra have been obtained for fiteen title compounds, mainly with R = Me. Tin chemical shifts were found to lie within the expected ranges, but to vary little with R or, apparently, with change in ring size. While the magnitute of 1 (SnSe) was as predicted, the of 1 (SnTe) was more than twice as large as that previously observed for (Me 3 Sn) 2 Te. In compounds Me 6 Sn( 3 X 3 , 2 J(SnMSn) varied systematically with variations in x, but within relatively narrow limits (195-250 Hz); a much more drastic variation was observed for Me 6 Sn 3 X 2 , possibly due to bond angle changes at Sn and X.

Chemical shiftOrganic ChemistryAnalytical chemistrychemistry.chemical_elementBiochemistryInorganic ChemistryRing sizeNMR spectra databasesymbols.namesakeMolecular geometryFourier transformchemistryMaterials ChemistrysymbolsPhysical and Theoretical ChemistryTinJournal of Organometallic Chemistry
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