Rhodium chemzymes: Michaelis-Menten kinetics in dirhodium (II) carboxylate-catalyzed carbenoid reactions
MC Pirrung, H Liu, AT Morehead
Index: Pirrung, Michael C.; Liu, Hao; Morehead Jr., Andrew T. Journal of the American Chemical Society, 2002 , vol. 124, # 6 p. 1014 - 1023
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Citation Number: 100
Abstract
Rhodium carboxylate-mediated reactions of diazoketones involving cyclopropanation, CH insertion, and aromatic CC double bond addition/electrocyclic ring opening obey saturation (Michaelis-Menten) kinetics. Axial ligands for rhodium, including aromatic hydrocarbons and Lewis bases such as nitriles, ethers, and ketones, inhibit these reactions by a mixed kinetic inhibition mechanism, meaning that they can bind both to the free catalyst and to the ...
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