Sample reactions
intermediate structure
NaN3
PPA
120 °C, 30 min, 63%
"Also isolated was 13 % of the enamine regioisomer."
intermediate structure
intermediate structure
TfOH
CH2Cl2
0 °C, 6 h, 79%
intermediate structure
intermediate structure
NaN3, H2SO4
CF3CO2H
45-50 °C, 5 h, 35%
intermediate structure