Multi-step reaction with 13 steps
1.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere
2.1: pyridine; dmap / 0.5 h / 20 °C / Inert atmosphere
3.1: water; trifluoroacetic acid / 8.5 h / 20 °C / Inert atmosphere
4.1: benzoic acid / dichloromethane / 3 h / 20 °C / Inert atmosphere
5.1: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / -78 °C / Inert atmosphere
5.2: 1.5 h / 0 - 20 °C
6.1: sodium periodate / methanol; water / 0.5 h / 20 °C / Inert atmosphere
7.1: sodium tetrahydroborate / ethanol / 0.5 h / 0 - 20 °C / Inert atmosphere
8.1: camphor-10-sulfonic acid / 1 h / 40 °C / Inert atmosphere
9.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 27 h / 0 - 20 °C / Inert atmosphere
10.1: sodium bis(2-methoxyethoxy)aluminium dihydride / tetrahydrofuran; toluene / 2.5 h / 0 °C / Inert atmosphere
10.2: 1 h / 20 °C
11.1: dmap; triethylamine / N,N-dimethyl-formamide / 1 h / 20 °C / Inert atmosphere
12.1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / acetonitrile / 1.25 h / Inert atmosphere; Reflux
13.1: L-Selectride / tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere
With
pyridine; dmap; sodium tetrahydroborate; sodium periodate; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; water; L-Selectride; diisobutylaluminium hydride; triethylamine; 3-chloro-benzenecarboperoxoic acid; sodium bis(2-methoxyethoxy)aluminium dihydride; benzoic acid; trifluoroacetic acid; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile;
4.1: Wittig reaction;
DOI:10.1016/j.tetasy.2012.04.012