Visible-Light-Enabled Oxidative Coupling of Alkenes with Dialkylformamides To Access Unsaturated Amides
作者:Maojian Lu、Zhaowei Lin、Shanyi Chen、Hongyou Chen、Mingqiang Huang、Shunyou Cai
DOI:10.1021/acs.orglett.9b03870
日期:2019.12.20
A practical and direct method for oxidative cross-coupling of alkenes with dialkylformamides is established employing visible-light-enabled photoredox catalysis. This strategy allows efficient access to diverse unsaturated amides under mild reaction conditions. The application of an appropriate diaryliodonium salt was demonstrated to be critical to the success of this process. This catalyst system
Mono- and β,β-Double-Heck Reactions of α,β-Unsaturated Carbonyl Compounds in Aqueous Media
作者:Luis Botella、Carmen Nájera
DOI:10.1021/jo0502551
日期:2005.5.1
and nitrile. β,β-Diarylation of unsubstituted α,β-unsaturated carbonyl compounds can be controlled by using higher loading of the palladacycle and can be performed in refluxing water for aryl iodides, whereas DMA must be used for aryl bromides. Microwave irradiation can be used in the monoarylation of tert-butyl acrylate with aryl iodides in water or the coupling between ethyl cinnamate and aryl bromides