Silver ion promoted rearrangement of 4-aryl- and 4-alkenyl-3-bromo-4,6-dimethyl-3,4-dihydro-2-pyrones
作者:Takashi Kume、Kinya Akiba
DOI:10.1021/jo00269a035
日期:1989.4
Regioselective addition of organocuprates to 2-siloxypyrylium salt: Facile synthesis of substituted 2-siloxy-4H-pyrans and their reactions with electrophiles