Directing-Group-Assisted Copper-Catalyzed Olefinic Trifluoromethylation of Electron-Deficient Alkenes
作者:Chao Feng、Teck-Peng Loh
DOI:10.1002/anie.201307245
日期:2013.11.18
Assistance provided: The directing group in the title reaction not only activates the substrates but also allows the stereospecific formation of cis‐trifluoromethylated products. The reaction is operationally simple and tolerates a wide variety of functional groups, thus providing an efficient method for the stereoselective synthesis of β‐CF3‐functionalized acrylamide derivatives.
Reaction of organometallic reagents with ethyl trifluoroacetate and diethyl oxalate. Formation of trifluoromethyl ketones and .alpha.-keto esters via stable tetrahedral adducts
作者:Xavier Creary
DOI:10.1021/jo00231a036
日期:1987.10
CREARY, XAVIER, J. ORG. CHEM., 52,(1987) N 22, 5026-5030
作者:Qi-Liang Yang、Yi-Kang Xing、Xiang-Yang Wang、Hong-Xing Ma、Xin-Jun Weng、Xiang Yang、Hai-Ming Guo、Tian-Sheng Mei
DOI:10.1021/jacs.9b11915
日期:2019.12.4
Synergistic use of electrochemistry and organometallic catalysis has emerged as a powerful tool for site-selective C-H functionalization, yet this type of transformation has thus far mainly been limited to arene C-H functionaliza-tion. Herein, we report the development of electrochemi-cal vinylic C-H functionalization of acrylic acids with al-kynes. In this reaction an iridium catalyst enables C-H/O-H