期刊
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
卷 182, 期 1, 页码 15-23出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10426500600865202
关键词
dibutyltin derivatives; heterobimetallic derivatives; mixed-ligand derivatives
The interaction in a 1: 1 molar ratio of Bu2Sn( OPri)(2) with Schiff bases HOC6H4CH NC6H3Me2-2,6 ( HL1) and HOC10H6CH=NC6H3Me2-2,6( HL2) yields homometallic derivatives Bu2Sn(eta(2)- L-1)( OPri) 1 and Bu2Sn(eta(2)-L-2) ( OPri) 2, where deprotonated ligands L-1 and L-2 are bonded in a bidentate (eta(2)) fashion through O and N atoms. Complexes 1 and 2 react in an equimolar ratio with Al( OCHMeCH2CMe2O)( OCHMeCH2CMe2OH) A or Al{( OCH2CH2)(2)( C6H5) N( OCH2-CH2(C6H5)NCH2CH2OH)} B to afford heterobimetallic derivatives 3 - 6 incorporating five-coordinate tin and four-coordinate aluminium in 3 and 5 and five-coordinate both tin and aluminium in 4 and 6. Furthermore, the reaction of 2 with Ph3SiOH affords a heteronuclear derivative 7 having tin and silicon, respectively, in a five- and four-coordinate environment. All of these derivatives have been characterized by elemental analysis, spectroscopic ( IR, NMR; H-1, Al-27, Si-29, and Sn-119) studies, and molecular weight determinations. The creation of new synthetic routes for heterometallic alkoxide coordination systems is an important goal, and investigations focused on this objective will ultimately increase our understanding of many aspects associated with the formation and stability of heterometallic coordination systems in general.
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