Multi-step reaction with 10 steps
1.1: sodium hydrogencarbonate; Dess-Martin periodane / dichloromethane / 1 h / 0 °C
2.1: tert.-butyl lithium / diethyl ether; pentane / 0.5 h / -78 - 25 °C
2.2: 0.5 h / -78 °C
2.3: -78 - 25 °C
3.1: sodium hydride / tetrahydrofuran; mineral oil / 1 h / 0 °C
3.2: 16 h / 0 - 20 °C
4.1: pyridine; sodium periodate; osmium(VIII) oxide / tetrahydrofuran; water / 2 h
5.1: tert.-butyl lithium / tetrahydrofuran; pentane / 0.75 h / -78 °C / Inert atmosphere
5.2: 0.75 h / -78 °C / Inert atmosphere
5.3: -78 - 20 °C / Inert atmosphere
6.1: sodium hydrogencarbonate; Dess-Martin periodane / dichloromethane / 0.75 h / 20 °C
7.1: N-ethyl-N,N-diisopropylamine; lithium chloride / acetonitrile / 0.17 h
7.2: 20.17 h
8.1: borane-THF; ethane / tetrahydrofuran; toluene / 0.12 h / 0 °C / Inert atmosphere
8.2: 0 - 20 °C / Inert atmosphere
9.1: water; acetic acid / tetrahydrofuran / 40 h / 55 °C
10.1: sulfur trioxide pyridine complex; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h
With
pyridine; sodium periodate; osmium(VIII) oxide; borane-THF; ethane; water; tert.-butyl lithium; sulfur trioxide pyridine complex; sodium hydride; sodium hydrogencarbonate; Dess-Martin periodane; acetic acid; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine; lithium chloride;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; toluene; acetonitrile; mineral oil; pentane;
7.1: Horner-Wadsworth-Emmons olefination / 7.2: Horner-Wadsworth-Emmons olefination / 10.1: Parikh-Doering oxidation;
DOI:10.1002/anie.201101741