Multi-step reaction with 10 steps
1.1: caesium carbonate / water; acetone / 5 h / 20 °C
1.2: pH 2
2.1: 1H-imidazole / N,N-dimethyl-formamide / 15 h / 20 °C
3.1: O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.33 h / 20 °C
3.2: 0.5 h / 20 °C
4.1: diisobutylaluminium hydride / tetrahydrofuran; dichloromethane / -78 °C
5.1: sodium hydrogencarbonate; Dess-Martin periodane / dichloromethane / 4.5 h / 20 °C
6.1: 18-crown-6 ether; potassium hexamethylsilazane / tetrahydrofuran; toluene / -78 °C
6.2: -78 °C
7.1: diisobutylaluminium hydride / tetrahydrofuran; dichloromethane / -78 °C
8.1: diethylzinc; trifluoroacetic acid / hexane; dichloromethane / 0 °C
8.2: 0 - 20 °C
9.1: methanesulfonyl chloride; triethylamine / dichloromethane / 3 h
9.2: 0 - 20 °C
10.1: pyridine; pyridine hydrogenfluoride / 0 - 20 °C
With
pyridine; 1H-imidazole; 18-crown-6 ether; diethylzinc; potassium hexamethylsilazane; diisobutylaluminium hydride; sodium hydrogencarbonate; caesium carbonate; Dess-Martin periodane; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; pyridine hydrogenfluoride; methanesulfonyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
In
tetrahydrofuran; hexane; dichloromethane; water; N,N-dimethyl-formamide; acetone; toluene;