Multi-step reaction with 10 steps
1.1: HCl / methanol / 4 h / Heating
2.1: 0.36 g / hydrogen / Pd/C / 10 h / 760 Torr
3.1: 90 percent / acetic acid; NBS / 2 h / 85 °C
4.1: n-BuLi / tetrahydrofuran / 0.5 h / -75 °C
4.2: tetrahydrofuran / 24 h / 20 °C
4.3: NaOH / H2O / 1 h
5.1: 0.30 g / Cs2CO3 / Pd(PPh3)4 / dimethylformamide; H2O / 2 h / 120 °C
6.1: BBr3 / CH2Cl2 / 4 h / 15 °C
7.1: 0.21 g / triethylamine / CH2Cl2 / 0.5 h / -20 °C
8.1: 71 percent / CuBr; anhydrous LiCl; 2,6-di-tert-butyl-4-methylphenol / PdCl2(PPh3)2 / dimethylformamide / 3 h / 160 °C
9.1: BBr3 / CH2Cl2 / 4 h / 15 °C
10.1: 120 mg / K2CO3 / dimethylformamide / 2 h / 65 °C
With
hydrogenchloride; N-Bromosuccinimide; n-butyllithium; 2,6-di-tert-butyl-4-methyl-phenol; hydrogen; boron tribromide; potassium carbonate; caesium carbonate; acetic acid; triethylamine; lithium chloride; copper(I) bromide;
bis-triphenylphosphine-palladium(II) chloride; palladium on activated charcoal; tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
5.1: Suzuki coupling;
DOI:10.1021/ol052956q