Selective Catalytic C–H Alkylation of Alkenes with Alcohols
作者:Dong-Hwan Lee、Ki-Hyeok Kwon、Chae S. Yi
DOI:10.1126/science.1208839
日期:2011.9.16
A ruthenium catalyst forms carbon-carbon bonds between olefins and alcohols while liberating only water as a by-product. Alkenes and alcohols are among the most abundant and commonly used organic feedstock in industrial processes. We report a selective catalytic alkylation reaction of alkenes with alcohols that forms a carbon-carbon bond between vinyl carbon-hydrogen (C–H) and carbon-hydroxy centers
Highly selective catalytic transfer hydrodeuteration of cyclic alkenes
作者:Samuel J. Hintzsche、Zoua Pa Vang、Emanuel Rivera Torres、Mykaela Podoski、Joseph R. Clark
DOI:10.1002/jlcr.4015
日期:2023.3
alkenes, which enables the synthesis of chromans, quinolinones, and tetrahydronaphthalenes that are precisely deuterated at the benzylic position. We also demonstrate the ability to place one deuterium atom at the homobenzylic site of these scaffolds with high regioselectivity by swapping transfer reagents for their isotopic analogs. Furthermore, examples of chemoselective transfer hydrogenation and transfer
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