and 2‐(trifluoromethyl)acrylic acid reacted together in ligand‐free Mizoroki‐Heck reaction furnishing a quick and efficient access to highly valuable α‐trifluoromethylacrylic acids. The useful transformation was independent with regard to the electronic nature of the aryl group substituent. A three‐component one‐pot version was also developed to give diverse substituted acrylates. The versatility of
Ru-Catalyzed C–H Arylation of Acrylic Acids with Aryl Bromides
作者:Florian Belitz、Ann-Katrin Seitz、Jonas F. Goebel、Zhiyong Hu、Lukas J. Gooßen
DOI:10.1021/acs.orglett.2c01043
日期:2022.5.20
Visible-light promoted oxidative cyclization of cinnamic acid derivatives using xanthone as the photocatalyst
作者:Bin Zhao、Bo Xu
DOI:10.1039/d0ob02417a
日期:——
coumarin derivatives via a tandem double bond isomerization/oxidative cyclization of cinnamic acids. Inexpensive and stable xanthone was used as the photocatalyst, and readily available Selectfluor was used as the oxidant. This method tolerates a wide range of functional groups and offers excellent chemical yields in general. Besides, the photocatalytic oxidative cyclization of cinnamic acid esters gives