Allylrhodium complexes [Rh(η3-2-RC3H4)(PPri3)2] as precursors for carboxylato, alkynyl(hydrido), alkynyl(ethene) and alkynyl(vinylidene) rhodium derivatives
- 1 January 1991
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 19,p. 1341-1343
- https://doi.org/10.1039/c39910001341
Abstract
Allylrhodium complexes [Rh(η3-2-RC3H4(PPri 3)2]2,3, which are prepared from [RhCl(PPri 3)2]n1 and allyl Grignard reagents, react with R'CO2H (R′= Me, CF3) to give [Rh(η2-O2CR′)(PPri 3)2]4,5 but with alk-1-ynes RCCH (R = C6H5, Me, H) to give the alkynyl(vinylidene) compounds trans-[Rh(CCR)(CCHR)(PPri 3)2]8-10; in the presence of pyridine (py) the octahedral bis(alkynyl)hydrido derivatives [RhH(CCR)2(py)(PPri 3)2]11-13 are obtained.Keywords
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