Multi-step reaction with 15 steps
1.1: LiCl; N,N-diisopropylethylamine / acetonitrile / 2 h / 25 °C
1.2: 86 percent / acetonitrile / 15 h / 25 °C
2.1: 98 percent / LiI; LiAlH4 / diethyl ether / -100 - 0 °C
3.1: 97 percent / AcOH / H2O / 5 h / 40 °C
4.1: 70 percent / NaHCO3; N-iodosuccinimide / tetrahydrofuran / 36 h / 0 °C
5.1: 99 percent / Et3N; 4-(dimethylamino)pyridine / CH2Cl2 / 10 h / 25 °C
6.1: 100 percent / 2,6-lutidine / CH2Cl2 / 0.5 h / 0 °C
7.1: 99 percent / H2; Raney-Ni catalyst / ethanol / 1 h / 25 °C
8.1: 88 percent / H2 / Pd(OH)2/C / ethanol / 3 h / 25 °C
9.1: 99 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / 0 - 25 °C
10.1: Mg / tetrahydrofuran / 2 h / 25 °C
10.2: tetrahydrofuran / 2 h / -78 - 0 °C
11.1: 95 percent / Dess-Martin periodinane / CH2Cl2 / 4 h / 0 - 25 °C
12.1: 98 percent / triethyl orthoformate; p-TsOH / 2.5 h / 55 °C
13.1: N-methylmorpholine-N-oxide; OsO4 / tetrahydrofuran; H2O; 2-methyl-propan-2-ol / 14 h / 25 °C
13.2: 100 percent / NaIO4; aq. saline solution buffer / tetrahydrofuran; 2-methyl-propan-2-ol / 5 h / 25 °C
14.1: n-BuLi / tetrahydrofuran; toluene / 3 h / -30 °C
14.2: tetrahydrofuran / 1 h / -30 °C
15.1: 13.2 g / Dess-Martin periodinane; pyridine / CH2Cl2 / 2 h / 0 °C
With
pyridine; 2,6-dimethylpyridine; dmap; N-iodo-succinimide; osmium(VIII) oxide; lithium aluminium tetrahydride; n-butyllithium; Raney-Ni catalyst; hydrogen; sodium hydrogencarbonate; Dess-Martin periodane; toluene-4-sulfonic acid; magnesium; acetic acid; 4-methylmorpholine N-oxide; triethylamine; N-ethyl-N,N-diisopropylamine; orthoformic acid triethyl ester; lithium chloride; lithium iodide;
palladium dihydroxide;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; water; toluene; acetonitrile; tert-butyl alcohol;
DOI:10.1021/ja0547477