Multi-step reaction with 17 steps
1.1: potassium hydroxide / tetrahydrofuran; methanol; water / 12 h / 0 - 20 °C / Inert atmosphere
2.1: lithium aluminium tetrahydride / tetrahydrofuran / 0 °C / Inert atmosphere
3.1: triethylamine / dichloromethane / 0 °C / Inert atmosphere
4.1: lithium carbonate; lithium chloride / N,N-dimethyl-formamide / 10 h / 90 °C / Inert atmosphere; Molecular sieve
5.1: tetrakis(triphenylphosphine) palladium(0); 1,3-dimethylbarbituric acid / dichloromethane / 5 h / 20 °C / Inert atmosphere
5.2: 0 - 20 °C / Inert atmosphere
6.1: potassium osmate(VI); 4-methylmorpholine N-oxide / water; acetonitrile / 5 h / 20 °C / Inert atmosphere
6.2: 0.25 h / 0 °C / Inert atmosphere
7.1: pyridine hydrochloride / dichloromethane; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
8.1: 1H-imidazole / dichloromethane / 0 °C / Inert atmosphere
9.1: diisopropylamine; n-butyllithium / tetrahydrofuran; hexane / -78 °C / Inert atmosphere
10.1: Martins sulfurane / dichloromethane / 0 - 20 °C / Inert atmosphere
11.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 °C / Inert atmosphere
12.1: pyridine; Dess-Martin periodane / dichloromethane / 0 - 20 °C / Inert atmosphere
13.1: platinum(IV) oxide; hydrogen / ethyl acetate / 20 °C
14.1: hydrazine hydrate; sodium / ethylene glycol / 4 h / 160 - 210 °C / Inert atmosphere
15.1: aluminum (III) chloride; lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere
16.1: acetic acid / dichloromethane / 0.08 h / 20 °C / Inert atmosphere
16.2: -78 - 0 °C / Inert atmosphere
17.1: hydrogenchloride / water; 1,4-dioxane / 2 h / 70 °C / Inert atmosphere
With
pyridine; 1H-imidazole; hydrogenchloride; platinum(IV) oxide; aluminum (III) chloride; potassium osmate(VI); lithium aluminium tetrahydride; tetrakis(triphenylphosphine) palladium(0); n-butyllithium; 1,3-dimethylbarbituric acid; Martins sulfurane; tetrabutyl ammonium fluoride; hydrogen; pyridine hydrochloride; sodium; lithium carbonate; Dess-Martin periodane; hydrazine hydrate; acetic acid; 4-methylmorpholine N-oxide; triethylamine; diisopropylamine; lithium chloride; potassium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; hexane; dichloromethane; water; ethylene glycol; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;
14.1: |Wolff-Kishner Reduction;
DOI:10.1002/anie.202009238