Multi-step reaction with 6 steps
1: 2.) 70percent NaAl(MeOCH2CH2O)2H2 / 1.) THF, toluene, -70 deg C, 30 min, 2.) THF,toluene, -70 deg C, 30 min
2: 1.) O2, 2.) SnCl2 / 1.) methylene blue, CH2Cl2, -60 deg C, 30 min, irradiation, 2.) CH2Cl2, EtOAc, -60 deg C, 10 min, then -5 deg C, 2 h
3: 93 percent / 10percent HCl / methanol / 0.17 h / Ambient temperature
4: 70 percent / H2 / PtO2 / 1,2-dimethoxy-ethane / 3 h
5: 89 percent / pyridine / 14 h / Ambient temperature
6: 73 percent / H2 / 10percent Pd-C / aq. ethanol / 14 h / Ambient temperature
With
pyridine; hydrogenchloride; hydrogen; oxygen; sodium bis(2-methoxyethoxy)aluminium dihydride; tin(ll) chloride;
platinum(IV) oxide; palladium on activated charcoal;
In
methanol; 1,2-dimethoxyethane; ethanol;
DOI:10.1016/S0040-4020(01)96582-2