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Quantitative kinetic investigation on transmetalation of ArZnX in a Pd-catalysed oxidative coupling
- Li, Jing, Jin, Liqun, Liu, Chao, Lei, Aiwen
- Chemical communications 2013 v.49 no.83 pp. 9615-9617
- catalytic activity, chemical communication, chemical reactions, enthalpy, palladium, quantitative analysis
- Transmetalation is the rate-limiting step. [R–Pd–Ar] was suggested to be the resting species from the kinetic studies. Quantitative measurement of the transmetalation of ArZnCl with [R–Pd–Ar] from a live Pd-catalysed oxidative coupling reaction was conducted and the corresponding activation enthalpy was determined as 12.3 kcal mol⁻¹.