Multi-step reaction with 10 steps
1.1: aq. NaOH / dioxane / 20 °C
2.1: 86 percent / LiAlH4 / dioxane; tetrahydrofuran
3.1: 79 percent / Dess-Martin periodane / CH2Cl2 / 3 h / 20 °C
4.1: 39 percent / Cu(OTf)2 / methanol / 4 h / 20 °C
5.1: TFA / CH2Cl2 / 3 h / 20 °C
6.1: 48 percent / TEA / acetonitrile / 20 °C
7.1: H2 / Pd/C / methanol / 8 h / 20 °C
8.1: 2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium*BF4; TEA / dimethylformamide / 0.17 h / 20 °C
8.2: 51 percent / dimethylformamide
9.1: H2 / Pd/C / methanol / 8 h / 20 °C
10.1: 2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium*BF4; TEA / dimethylformamide / 0.17 h / 20 °C
10.2: 73 percent / dimethylformamide
With
sodium hydroxide; lithium aluminium tetrahydride; TEA; hydrogen; copper(II) bis(trifluoromethanesulfonate); Dess-Martin periodane; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; trifluoroacetic acid;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
3.1: Dess-Martin oxidation;
DOI:10.1021/jm0499209