Kamalkishore Pati and Rai-Shung Liu
Chem. Commun., 2009, 5233-5235
DOI:
10.1039/B910773H,
Communication
We report a new catalytic synthesis of α-pyridones and 3(2H)-isoquinolones from readily available 3-en-5-ynyl nitrones and o-alkynylphenyl nitrones; the reaction mechanism is proposed to involve iminyl ketene species through an oxygen transfer process.