Abstract
The room-temperature reaction of a number of two-electron nucleophiles with the osmium–antimony cluster [Os3(µ-H)(CO)10(µ-SbPh2)] 1 gave adducts [Os3H(CO)10(µ-SbPh2)L] 2 (L = PPh3 a, AsPh3 b, SbPh3 c or CO d), in which the antimony-bridged Os–Os bond has been cleaved in order to accommodate the incoming ligand. X-Ray crystallographic studies on 2b and 2c confirmed that the ligands L occupied an equatorial site of the Os3Sb framework, while NMR studies indicated that the clusters 2a–2c existed as isomeric mixtures, which probably differ in the arrangements of the ligand L relative to the antimony vertex. The reaction leading to the formation of 2b, which was carried out at elevated temperature, also led to decarbonylation to a substituted analogue of 1 in which the ligand L was on the unbridged osmium.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of the Chemical Society, Dalton Transactions
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
