Multi-step reaction with 7 steps
1: 1.) ethyl chlorocarbonate, Et3N, / 1. CHCl3, 0 deg C, 30 min, 2.) CHCl3
2: 6 g / H2 / 10percent Pd/C / methanol / 0.67 h / 1551.4 Torr / Ambient temperature
3: 1.) ethyl chlorocarbonate, Et3N, / 1. CHCl3, 0 deg C, 30 min, 2.) CHCl3
4: H2 / 10percent Pd/C / methanol / 0.67 h / 1551.4 Torr / Ambient temperature
5: 1.) ethyl chlorocarbonate, Et3N, / 1. dioxane, 0 deg C, 30 min, 2.) dioxane
6: H2 / 10percent Pd/C / methanol / 0.67 h / 1551.4 Torr / Ambient temperature
7: 51 percent / pyridine / CHCl3 / 3 h / 0 °C
With
pyridine; hydrogen; chloroformic acid ethyl ester; triethylamine;
palladium on activated charcoal;
In
methanol; chloroform;