Multi-step reaction with 14 steps
1.1: potassium tert-butylate / tetrahydrofuran / 1.5 h / Inert atmosphere
1.2: 16.75 h / 20 °C / Inert atmosphere
2.1: N-Bromosuccinimide / ethyl acetate / 1.75 h / 20 °C
2.2: 1.5 h / Reflux
3.1: potassium tert-butylate / tetrahydrofuran / 0.5 h
3.2: 17 h / 20 °C
4.1: lithium hexamethyldisilazane / tetrahydrofuran / 2.5 h / -78 °C / Inert atmosphere
5.1: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 1 h / 2068.65 Torr / Inert atmosphere
6.1: triethylamine / dichloromethane / 0 °C
7.1: tris-(dibenzylideneacetone)dipalladium(0); N-Methyldicyclohexylamine; lithium chloride; tri tert-butylphosphoniumtetrafluoroborate / 1,4-dioxane / 1 h / 70 °C / Inert atmosphere
8.1: toluene-4-sulfonic acid / tetrahydrofuran / 60 h
9.1: sodium cyanoborohydride; acetic acid / 2 h / 20 °C
10.1: N-iodo-succinimide / N,N-dimethyl-formamide / 1 h / 20 °C
11.1: palladium diacetate; triethylamine; tris-(o-tolyl)phosphine / N,N-dimethyl-formamide / 3 h / 80 °C / Inert atmosphere
12.1: hydrogen; palladium(II) hydroxide / methanol / 2 h / 760.05 Torr
13.1: sulfuric acid; isopropyl alcohol / 27 h / 40 °C / Reflux
13.2: pH 10
14.1: lithium hydroxide / methanol; water / 20 - 45 °C
14.2: pH 4
With
tris-(dibenzylideneacetone)dipalladium(0); N-Bromosuccinimide; N-iodo-succinimide; sulfuric acid; N-Methyldicyclohexylamine; palladium 10% on activated carbon; potassium tert-butylate; hydrogen; palladium diacetate; palladium(II) hydroxide; sodium cyanoborohydride; toluene-4-sulfonic acid; acetic acid; triethylamine; isopropyl alcohol; tris-(o-tolyl)phosphine; lithium chloride; lithium hydroxide; lithium hexamethyldisilazane; tri tert-butylphosphoniumtetrafluoroborate;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide;
11.1: Heck reaction;
DOI:10.1021/jm200208d