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Simultaneous Generation of Anionic and Neutral Palladium( II ) Complexes from η 3 ‐Allylpalladium Chloride Dimer and Fluorinated β‐enaminones
Author(s) -
Bouquillon Sandrine,
Bouillon JeanPhilippe,
Thomas Louis,
PlantierRoyon Richard,
Chanteau Frédéric,
Tinant Bernard,
Hénin Françoise,
Portella Charles,
Muzart Jacques
Publication year - 2003
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200300557
Subject(s) - chemistry , palladium , protonation , dimer , counterion , medicinal chemistry , chloride , amidine , polymer chemistry , stereochemistry , organic chemistry , ion , catalysis
Reactions between η 3 ‐allylpalladium chloride dimer, 1,8‐diazabicyclo[5.4.0]undec‐7‐ene (DBU) and 1‐amino‐2‐fluoro‐1‐perfluoroethyl‐3‐phenylprop‐1‐en‐3‐one or 1,12‐diamino2,11‐difluoro‐1,12‐bis(perfluorobutyl)dodeca‐1,11‐diene3,10‐dione simultaneously provided two types of Pd II complexes. One is an anionic η 3 ‐allylpalladium complex with protonated DBU as counterion while the other is a neutral η 3 ‐allyl(β‐ketoiminato)palladium complex. A mechanism involving the amidine function of DBU in the formation of the two complexes is proposed. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)