99430-00-9Relevant academic research and scientific papers
APPLICATION OF THE PHOTO-FRIES REARRANGEMENT OF ARYL DIHYDROCINNAMATES TO THE SYNTHESIS OF FLAVONOIDS
Garcia, Hermenegildo,Iborra, Sara,Miranda, Miguel A.,Primo, Jaime
, p. 1983 - 1989 (2007/10/02)
The photo-Fries rearrangement of aryl dihydrocinnamates is compared with that of the analogous cinnamates from a preparative point of view.The former proceeds with higher conversions, giving the corresponding 2'-hydroxydihydrochalcones in acceptable yields.This process, combined with well established reactions, provides an alternative entry to the synthesis of flavonoids.
REACTIVITY OF ARYLCINNAMATES IN POLYPHOSPHORIC ACID (PPA): CYCLISATION AND REARRANGEMENT REACTIONS
Dupin, Jean-Francois E.,Chenault, Jacques
, p. 2401 - 2404 (2007/10/02)
In polyphosphoric acid (PPA), various phenyl-substituted cinnamates react to give 4-phenyl-3,4-dihydrocoumarins, flavanones or 3-phenylindanone owing to the nature of the substituents on the phenyl moiety.
