Abstract
Three new penta- and hexacoordinated tin compounds (1-3) were prepared from PhSnCl3, Ph2SnCl2 and Ph3SnOH and 3-methyl-2-hydroxy-2-cyclopenten-1-one (L). Compounds 1-3 were characterized by IR, mass spectra, elemental analysis, 1H, 13C, and 119Sn NMR. The ligand acts as a bidentate giving the tin esters and coordinating the tin by the carbonyl group. Compound 1 (PhSnCl2L • EtOH) has an hexacoordinated tin atom, with an octahedral distorted geometry, which is a stereogenic center. Compounds 2 (Ph2SnClL) and 3 (Ph3SnL) have pentacoordinated tin atoms. The structures were determined by X-ray diffraction analyses. In the solid state 1 presents a racemic pair, linked by strong hydrogen bonds and 2 and 3 "Berry exchange coordinate" geometry.
Original language | English |
---|---|
Pages (from-to) | 1590-1597 |
Number of pages | 8 |
Journal | Journal of Organometallic Chemistry |
Volume | 691 |
Issue number | 8 |
DOIs | |
State | Published - 1 Apr 2006 |
Externally published | Yes |
Bibliographical note
Funding Information:Financial support from Cinvestav, Conacyt and UAM-X is acknowledged.
Keywords
- 3-Methyl-2-hydroxycyclopenten-2-one tin compounds
- Berry exchange coordinate geometry
- Penta- and hexacoordinated tin derivatives