both reactions were calculated on the basis of the kobs and K. The corresponding deuterium kineticisotopeeffects (e.g., KIEODH = kH(i-PrOH)/kH(i-PrOD) and KIEβ-D6H = kobs(i-PrOH)/kobs((CD3)2CHOH)), as well as the activation parameters, were derived. For the reaction of PhXn+ (62 °C) and MA+ (67 °C), primary KIEα-DH (4.4 and 2.1, respectively) as well as secondary KIEODH (1.07 and 1.18) and KIEβ-D6H
Room‐Temperature Palladium‐Catalyzed Deuterogenolysis of Carbon Oxygen Bonds towards Deuterated Pharmaceuticals
作者:Wei Ou、Xudong Xiang、Ru Zou、Qing Xu、Kian Ping Loh、Chenliang Su
DOI:10.1002/anie.202014196
日期:2021.3.15
Site‐specific incorporation of deuterium into drug molecules to study and improve their biologicalproperties is crucial for drug discovery and development. Herein, we describe a palladium‐catalyzed room‐temperature deuterogenolysis of carbon–oxygen bonds in alcohols and ketones with D2 balloon for practical synthesis of deuterated pharmaceuticals and chemicals with benzyl‐site (sp3 C−H) D‐incorporation. The