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Communication
Chem. Commun., 2009, 5233 - 5235, DOI: 10.1039/b910773h
Efficient syntheses of
-pyridones and 3(2H)-isoquinolones through ruthenium-catalyzed cycloisomerization of 3-en-5-ynyl and o-alkynylphenyl nitronesKamalkishore Pati and Rai-Shung Liu
We report a new catalytic synthesis of
-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.
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