Journal of Organometallic Chemistry p. 381 - 384 (1982)
Update date:2022-08-30
Topics:
Matsui, Yasushi
Orchin, Milton
The reaction of Ph3COH with 2 mol of HCo(CO)4 gives Ph3CH in quantitative yield.The reaction is cleanly second order (k2 = 2.50 x 10-4 l mol-1 s-1, in CH2Cl2 at 20 deg C), first order with respect to each reactant.The rate increases markedly with increase in solvent polarity, suggesting Ph3C+ as an intermediate.The rate of the reaction of HCo(CO)4 with Ph3<*>CBF4 is more than 103 as fast as with Ph3COH.No evidence for the functioning of HCo(CO)4 as a hydride donor could be secured.
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