Maitland-Japp Reaction

Schematic representation of the Maitland-Japp Reaction.
Mechanism of the Maitland-Japp Reaction
Mechanism of the Maitland-Japp Reaction
Sample reactions
intermediate structure intermediate structure intermediate structure
Yb(OTf)3
CF3CO2H
-78 °C to RT, 5 h, 60%
"Also isolated was the C2-epimer (32 % yield)."
intermediate structure