DBU-promoted carboxylative cyclization of o-hydroxy- and o-acetamidoacetophenone

The carboxylative cyclization of o-hydroxy- and o-acetamidoacetophenone with carbon dioxide promoted by the organic base 1,8-diazabicycloundec-7-ene (DBU) is reported. This reaction provides convenient access to the biologically important compounds 4-hydroxy-2H-chromen-2-one and 4-hydroxy-2(1H)-quin...

Full description

Bibliographic Details
Main Authors: Wen-Zhen Zhang, Si Liu, Xiao-Bing Lu
Format: Article
Language:English
Published: Beilstein-Institut 2015-05-01
Series:Beilstein Journal of Organic Chemistry
Subjects:
Online Access:https://doi.org/10.3762/bjoc.11.102