Transition metal–carbon bonds. Part XXXIV.1H and13C nuclear magnetic resonance studies on π-allylic–palladium complexes
- 1 January 1973
- journal article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 22,p. 2390-2393
- https://doi.org/10.1039/dt9730002390
Abstract
Under high resolution the 1H n.m.r. spectra of π-allylic–palladium compounds are more complex than previously reported :e.g., the resonance of the central allylic hydrogen of [Pd2I2(C3H5)2] consists of 15 ‘lines’. The spectra are thus interpretable as AA′BB′C patterns. Some relative signs of coupling constants in π-allylic complexes are reported for the first time. 13C N.m.r. spectral shifts and J(13C1H) values are reported and discussed. [Pd(acac)-(1,2,3,7-cyclo-octa-2,4-dienylpalladium] is shown not to be fluxional at 25° by 13C n.m.r. spectroscopy.Keywords
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