267901-34-8Relevant academic research and scientific papers
Trifluoroacetic acid-mediated hydroarylation: Synthesis of dihydrocoumarins and dihydroquinolones
Li, Kelin,Foresee, Lindsay N.,Tunge, Jon A.
, p. 2881 - 2883 (2005)
(Chemical Equation Presented) Trifluoroacetic acid mediates the hydroarylation of alkenes to afford dihydrocoumarins and dihydroquinolones in good yield. Intermolecular hydroarylation of cinnamic acids by phenols is particularly facile, which leads to the
Hexafluoroisopropanol and Acetyl Chloride Promoted Catalytic Hydroarylation with Phenols
Roy, Sudeshna,Motiwala, Hashim F.,Koshlap, Karl M.,Aubé, Jeffrey
supporting information, p. 306 - 315 (2017/12/07)
We report a catalytic hydroarylation method to convert phenols to dihydrocoumarins in hexafluoroisopropanol (HFIP) using acid generated from sub-stoichiometric amounts of acetyl chloride as catalyst. Attractive elements include easy set-up and isolation, and applicability to a range of phenols including natural product substrates.
New Method for Preparation of Coumarins and Quinolinones via Pd-Catalyzed Intramolecular Hydroarylation of C-C Triple Bonds
Jia, Chengguo,Piao, Dongguo,Kitamura, Tsugio,Fujiwara, Yuzo
, p. 7516 - 7522 (2007/10/03)
A new and general method has been developed for preparation of coumarins and quinolinones by intramolecular hydroarylation of alkynes. Various aryl alkynoates and alkynanilides undergo fast intramolecular reaction at room temperature in the presence of a
