Variable-temperature carbon-13 nuclear magnetic resonance spectra of phosphine-substituted dodecarbonyl-triangulo-triosmium
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 14,p. 1403-1404
- https://doi.org/10.1039/dt9760001403
Abstract
13 C N.m.r. spectra of the compounds [Os3(CO)12–n(PEt3)n](n= 1 or 2) indicate that carbonyl exchange occurs selectively along one edge of the Os3, triangle at low temperatures. The process involves only six of the 12 –n carbonyl groups in [Os3(CO)12–n(PEt3)n](n= 1 or 2), and a mechanism involving a double carbonyl bridge is proposed.Keywords
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