19725-73-6Relevant academic research and scientific papers
Generation of Heterocyclic Quinone Methides from ortho-Hydroxy Methyl Derivatives and a Study of Their Cycloaddition Reactions
Chauncey, Marek A.,Grundon, Michael F.,Rutherford, Mary J.
, p. 527 - 529 (1988)
Quinolinone quinone methide (1a), prepared from 1,3-dimethyl-4-hydroxyquinolin-2-one and 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ), gives a dimer (5) and reacts in situ with 2,2-dimethyl-2H-1-benzopyran, and with isopropenyl acetate, to give Diels-Alder cycloaddition products; coumarin quinone methides behave similarly with 2,2-dimethylbenzopyran, but with isopropenyl acetate and with 2,3-benzofuran give adducts that probably result from cycloaddition reactions.
