Study of an Unexpected Rearrangement of the α-Phenyl Pyrane Derivatives Prepared via Hetero-Diels− Alder Reaction of Acyclic Vinyl Allenes and Aldehydes
JM Ruiz, D Regás, MM Afonso…
文献索引：Yeager, Adam R.; Min, Geanna K.; Porco Jr., John A.; Schaus, Scott E. Organic Letters, 2006 , vol. 8, # 22 p. 5065 - 5068
... in the semicyclic ones, and the two remaining substituents on the diene (R 1 and R 2 ) would ... Et 2 O to the aldehyde in ethyl ether at 0 °C, after 15 min addition of ... a doubly activated oxygen−carbon bond breaks under Lewis acid catalysis, was described by Porco, Schaus, and ...
