[Cp*RhCl(PTA)2]X (PTA = 7-phospha-1,3,5- triazaadamantane) undergoes an H/D exchange process between the methyl groups of Cp* and D2O whose rate depends on the coordinating ability of the counterion X-. Kinetic studies and DFT calculations indicate that deuteration involves the abstraction of a Me-Cp* proton by a coordinated OH-; the formation of the latter seems to be facilitated by the presence of the N-basic centers of PTA. © 2010 The Royal Society of Chemistry.
Counterion-dependent deuteration of pentamethylcyclopentadiene in water-soluble cationic Rh(III) complexes assisted by PTA
CIANCALEONI, GIANLUCA;
2010-01-01
Abstract
[Cp*RhCl(PTA)2]X (PTA = 7-phospha-1,3,5- triazaadamantane) undergoes an H/D exchange process between the methyl groups of Cp* and D2O whose rate depends on the coordinating ability of the counterion X-. Kinetic studies and DFT calculations indicate that deuteration involves the abstraction of a Me-Cp* proton by a coordinated OH-; the formation of the latter seems to be facilitated by the presence of the N-basic centers of PTA. © 2010 The Royal Society of Chemistry.File in questo prodotto:
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