ENYLPHOSPHINO)ETHANE)(ETA(3)-1-ARYLALLYL)PALLADIUM TETRAFLUOROBORATES- PREPARATION, ISOMERIC EQUILIBRIA, AND CORRELATIONS OF NMR CHEMICAL-SHIFTS WITH HAMMETT SUBSTITUENT CONSTANTS

Citation
R. Malet et al., ENYLPHOSPHINO)ETHANE)(ETA(3)-1-ARYLALLYL)PALLADIUM TETRAFLUOROBORATES- PREPARATION, ISOMERIC EQUILIBRIA, AND CORRELATIONS OF NMR CHEMICAL-SHIFTS WITH HAMMETT SUBSTITUENT CONSTANTS, Journal of organic chemistry, 61(2), 1996, pp. 758-763
Citations number
58
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
00223263
Volume
61
Issue
2
Year of publication
1996
Pages
758 - 763
Database
ISI
SICI code
0022-3263(1996)61:2<758:ET>2.0.ZU;2-3
Abstract
C-13 NMR differences of chemical shifts (delta(X) - delta(H)) of allyl carbon atoms in a series of ans-(1-(diphenylphosphino)-2-(dimethylami no)ethane (eta(3)-1-arylallyl)palladium tetrafluoroborates, X ranging from NO2 to OMe, correlate very well with sigma Hammett constants for C-1 and with sigma(+) for C-3, this carbon atom being in a trans relat ionship with the positively charged nitrogen atom.