A Versatile Catalyst for Heck Reactions of Aryl Chlorides and Aryl Bromides under Mild Conditions
作者:Adam F. Littke、Gregory C. Fu
DOI:10.1021/ja010988c
日期:2001.7.1
for Heck reactions of arylchlorides and bromides. A sterically and electronically diverse array of aryl bromides, as well as activated arylchlorides, couple with a range of mono- and disubstituted olefins at room temperature, furnishing the arylated product with high E/Z stereoselection. The corresponding reactions of a broad spectrum of electron-neutral and electron-rich arylchlorides proceed at
A Robust First-Pass Protocol for the Heck–Mizoroki Reaction
作者:Paul M. Murray、John F. Bower、David K. Cox、Ewan K. Galbraith、Jeremy S. Parker、Joseph B. Sweeney
DOI:10.1021/op300364p
日期:2013.3.15
The Heck-Mizoroki (HM) reaction is one of the most widely used C-C bond-forming methods of contemporary synthesis. Notwithstanding this, these reactions frequently require significant optimization before efficient transformations can be obtained. We describe here the results of a study that aimed to establish a generic experimental protocol for HM reactions which enables acceptable yields from first-pass experiments. The methodology utilizes readily available stable catalysts and can be applied to a broad range of coupling partners.
HECK REACTIONS OF ARYL CHLORIDES CATALYZED BY PALLADIUM/TRI-tert-BUTYLPHOSPHINE: (E)-2-METHYL-3-PHENYLACRYLIC ACID BUTYL ESTER AND (E)-4-(2-PHENYLETHENYL)BENZONITRILE
作者:Littke, Adam F.、Fu, Gregory C.、Ober, Michael H.、Denmark, Scott E.