Multi-step reaction with 13 steps
1: 98 percent / t-BuOK / dimethylformamide / 3 h / 75 °C
2: 2M HCl / CHCl3; methanol / 20 h / Ambient temperature
3: 72 percent / NaBH4 / ethanol; tetrahydrofuran / 18 h / -20 - 20 °C
4: 100 percent / 1M NaOH / 2-methoxy-ethanol / 8 h / 90 °C
5: 1.) Et3N, 2.) pyridine / 1.) CH3OH, RT, 2.) MeOH, 80 deg C, 7 h
6: 95 percent / NaOMe / methanol / 2 h / Ambient temperature
7: 80 percent / Et3N, DMAP / CH2Cl2 / 4 h / Ambient temperature
8: 100 percent / pyridine / Ambient temperature
9: 71 percent / NaN3 / dimethylformamide / 8 h / 100 °C
10: aq. CH3NH2 / ethanol / 42 h / Ambient temperature
11: methanol / 0.17 h / Ambient temperature
12: 82 percent / N-methylmorpholine N-oxide, n-tetrapropylammonium perruthenate, MS 4A / CH2Cl2 / 2 h / Ambient temperature
13: 59 percent / CeCl3*7H2O, NaBH4 / methanol / 4.5 h / -60 °C
With
pyridine; hydrogenchloride; dmap; sodium hydroxide; sodium tetrahydroborate; sodium azide; cerium(III) chloride; tetrapropylammonium perruthennate; potassium tert-butylate; sodium methylate; 4-methylmorpholine N-oxide; triethylamine; methylamine;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; chloroform; 2-methoxy-ethanol; N,N-dimethyl-formamide;
DOI:10.1016/0040-4020(96)00791-0