(1-(Dimethylamino)-2-(diphenylphosphino)ethane)(η 3-1-arylallyl)palladiuin tetrafluoroborates. Preparation, isomeric equilibria, and correlations of NMR chemical shifts with hammett substituent constants

Ramón Malet, Marcial Moreno-Mañas, Teodor Parella, Roser Pleixats

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23 Citations (Scopus)

Abstract

13C NMR differences of chemical shifts (δX - δH) of allyl carbon atoms in a series of trans-(1-(diphenylphospnino)-2-(dimethylamino)ethane)(η 3-1-arylallyl)palladium tetrafluoroborates, X ranging from NO2 to OMe, correlate very well with σ Hammett constants for C-1 and with σ+ for C-3, this carbon atom being in a irons relationship with the positively charged nitrogen atom.
Original languageEnglish
Pages (from-to)758-763
JournalJournal of Organic Chemistry
Volume61
Issue number2
Publication statusPublished - 26 Jan 1996

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