87619-21-4Relevant academic research and scientific papers
HETEROCYCLIC SYNTHESES WITH ALLENE-1,3-DICARBOXYLIC ESTERS AND ACIDS : NEW CHROMENE, CHROMONE, QUINOLONE, α-PYRONE AND COUMARIN SYNTHESES
Nixon, Neil S.,Scheinmann, Feodor,Suschitzky, John L.
, p. 597 - 600 (2007/10/02)
Allene-1,3-dicarboxylic esters and acids have been converted into chromenes, chromones, an α-pyrone and a coumarin by reactions with phenols and to quinolones by reaction with aniline derivatives.A novel chromenecoumarin rearrangement is also reported.
