133828-51-0Relevant articles and documents
O-Heterocycles by the Cyclization of Side-Chain Bromomethoxylated 2'-Acetoxychalcones
Donnelly, John A.,Higginbotham, Clement L.
, p. 83 - 87 (2007/10/02)
The title chalcone derivatives react with aqueous sodium hydroxide of various concentrations to form aurones as the major product, together with small amounts of flavones.However, the introduction of 4'-nitro or 4'-chloro substituents resulted in the formation of flavones as the major product.