Yb(OTf)3-Catalyzed Reactions of 5-Alkylidene Meldrum's Acids with Phenols: One-Pot Assembly of 3,4-Dihydrocoumarins, 4-Chromanones, Coumarins, and Chromones
2006 ◽
Vol 71
(1)
◽
pp. 409-412
◽
Eric Fillion
◽
Aaron M. Dumas
◽
Bryan A. Kuropatwa
◽
Neil R. Malhotra
◽
Tamsyn C. Sitler