137776-67-1Relevant articles and documents
3-BROMO-2-PYRONE: AN EASILY PREPARED CHAMELEON DIENE AND A SYNTHETIC EQUIVALENT OF 2-PYRONE IN THERMAL DIELS-ALDER CYCLOADDITIONS
Posner, Gary H.,Nelson, Todd D.,Kinter, Chris M.,Afarinkia, Kamyar
, p. 5295 - 5298 (1991)
3-Bromo-2-pyrone, a stable solid prepared by a new route (eq. 1), has been found to undergo smooth and regiospecific 2+4-cycloadditions between 78-90 deg C with both electron-rich and electron-deficient dienophiles; subsequent high-yield reductive debromi