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Direct Observation of the Conversion of a Palladium 5-Hexenyl Chelate Complex to a Palladium Cyclopentylmethyl Complex
journal contribution
posted on 2001-11-06, 00:00 authored by Nicholas S. Perch, Ross A. WidenhoeferWarming a solution of {(phen)Pd[η1:η2-CH(CH2SiEt3)CH2C(CO2Me)2CH2CHCH2]}+[BAr4]- (4)
at −41 °C led to first-order decay (k = (4.7 ± 0.3) × 10-4
M s-1, ΔG⧧ = 17.1 ± 0.1 kcal mol-1) with formation of
the palladium cyclopentylmethyl complex (5) in 96 ± 10% yield (1H NMR).