Preparation and NMR spectroscopy of (1,2-bis(diphenylphosphino)ethane)(η3-1,3-diarylallyl)-palladium tetrafluoroborates. Correlation of chemical shifts with Hammett substituent constants and with the regioselectivity of nucleophilic attack

Marcial Moreno-Mañas, Francesca Pajuelo, Teodor Parella, Roser Pleixats

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34 Citations (Scopus)

Abstract

13C NMR chemical shifts of the terminal allyl carbon atoms C-1 and C-3 of (1,2-bis-(diphenylphosphino)ethane)(η3-1,3-diarylallyl)palladium tetrafluoroborates correlate with σ Hammett substituent constants. For each complex the chemical shift at lower field indicates the site of preferred attack by soft nucleophiles in the Tsuji-Trost reaction.
Original languageEnglish
Pages (from-to)205-209
JournalOrganometallics
Volume16
Issue number2
Publication statusPublished - 21 Jan 1997

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