Multi-step reaction with 6 steps
1: 1.) acetic acid, 3 Angstroem molecular sieves, 2.) NaBH3CN / 1.) ethanol, 1 h, 2.) ethanol, RT, 2 d
2: triethylamine / CH2Cl2
3: 90 percent / conc. sulfuric acid / diethyl ether / 3 h
4: 1.) N-methylmorpholine N-oxide, osmium tetraoxide, 2.) sodium periodate / 1.) THF, H2O, overnight, 2.) ethanol, H2O, 2 h
5: sodium chlorite, sodium dihydrogen phosphate monohydrate / tetrahydrofuran; 2-methyl-propan-2-ol; various solvent(s); H2O / 0.5 h
6: 73 percent / 1-hydroxybenzotriazole, triethylamine, 1-<3-(dimethylamino)propyl>-3-ethylcarbodimide / dimethylformamide
With
sodium chlorite; sodium periodate; sodium dihydrogenphosphate; osmium(VIII) oxide; 3 A molecular sieve; sulfuric acid; sodium cyanoborohydride; benzotriazol-1-ol; acetic acid; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; 4-methylmorpholine N-oxide; triethylamine;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1021/jm00001a014