Multi-step reaction with 16 steps
1: sodium periodate / tetrahydrofuran; H2O / 0.75 h / 0 °C
2: 2.9 g / sodium hydroxide / tetrahydrofuran; H2O / 18 h / 20 °C
3: 65 percent / sodium hydride / dimethylformamide / 1.5 h / 20 °C
4: 93 percent / Et3N; DMAP / CH2Cl2 / 19 h / 20 °C
5: NaIO4; H2O / OsO4 / tetrahydrofuran; 2-methyl-propan-2-ol / 2 h / 20 °C
6: 754 mg / sodium tetrahydroborate / tetrahydrofuran; H2O / 1 h / 0 °C
7: 98 percent / H2SO4; acetic acid / 6 h / 20 °C
8: 95 percent / N,O-bis(trimethylsilyl)acetamide; TMSOTf / 1,2-dichloro-ethane / 9 h / Heating
9: 87 percent / MeNH2 / tetrahydrofuran; H2O / 2 h / 0 °C
10: 90 percent / p-TsOH*H2O / CH2Cl2 / 3 h / 0 °C
11: 87 percent / NaOH / tetrahydrofuran; methanol; H2O / 1.5 h / 0 - 20 °C
12: 73 percent / sodium hexamethyldisilazide / tetrahydrofuran / 6 h / Heating
13: 85 percent / MeOH; p-TsOH*H2O / tetrahydrofuran / 1 h / 0 °C
14: 97 percent / Dess-Martin periodinane / CH2Cl2 / 0.5 h / 20 °C
15: 67 percent / diisobutylaluminum hydride / tetrahydrofuran / 5 h / -78 °C
16: 68 percent / DBU / dimethylformamide / 3 h / 0 °C
With
methanol; dmap; sodium hydroxide; sodium tetrahydroborate; sodium periodate; N,O-bis-(trimethylsilyl)-acetamide; trimethylsilyl trifluoromethanesulfonate; sulfuric acid; water; sodium hexamethyldisilazane; sodium hydride; diisobutylaluminium hydride; Dess-Martin periodane; toluene-4-sulfonic acid; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; methylamine;
osmium(VIII) oxide;
In
tetrahydrofuran; methanol; dichloromethane; water; 1,2-dichloro-ethane; N,N-dimethyl-formamide; tert-butyl alcohol;
2: aldol-Cannizzaro reaction;
DOI:10.1021/jo051187l