227202-21-3Relevant articles and documents
A mild and facile method for the synthesis of 3-cyano-chromones from oximes derived from 3-formylchromones using dimethylformamide-thionylchloride complex
Jagath Reddy,Latha,Srinivasa Rao
, p. 279 - 282 (2004)
A mild and facile method for the synthesis of 3-cyanochromones (4) from oximes (2) derived from 3-formylchromones using Dimethylformamide- thionylchloride complex (1) is herein reported.
Synthesis of dihydroxanthone derivatives and evaluation of their inhibitory activity against acetylcholinesterase: Unique structural analogs of tacrine based on the BCD-ring of arisugacin
Degen, Shane J.,Mueller, Kristen L.,Shen, Hong C.,Mulder, Jason A.,Golding, Geoffrey M.,Wei, Lin-li,Zificsak, Craig A.,Neeno-Eckwall, Amy,Hsung, Richard P.
, p. 973 - 978 (1999)
A general approach to synthesis of dihydroxanthone derivatives is described here. In vitro evaluation of these dihydroxanthones demonstrated that some derivatives possess moderate anti-cholinesterase activities and better selectivities than tacrine for acetylcholinesterase over butyrylcholinesterase. Structural effects on anti-cholinesterase activities were also examined, and docking experiments were carried out to provide preliminary understandings of these experimental observations.
Metal-free access to 3-allyl-2-alkoxychromanonesviaphosphine-catalyzed alkoxy allylation of chromones with MBH carbonates and alcohols
Meng, Ling,Chang, Xiaoyong,Lin, Zhenyang,Wang, Jun (Joelle)
supporting information, p. 2663 - 2667 (2021/04/07)
A metal-free access to 3-allyl-2-alkoxychromanones by PPh3-catalyzed alkoxy allylation of chromones with MBH carbonates and alcohols is described. This reaction is performed under mild conditions and it shows good functional group tolerance, providing a series of functionalized chromanones in moderate to high yields with excellent diastereoselectivities. Deuterium-labeling experiments to probe a possible mechanism and scale-up reaction were also conducted.
