Multi-step reaction with 7 steps
1: zinc(II) chloride / chlorobenzene / 16 h / 110 °C / Inert atmosphere
2: bromine / chloroform / 2.5 h / 55 °C / Inert atmosphere
3: triethylamine / ethanol / 1.5 h / 100 °C / Microwave irradiation
4: lithium hydroxide; water / tetrahydrofuran / 1 h / 50 °C
5: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / N,N-dimethyl-formamide / 100 °C
6: 2,6-dimethylpyridine / dichloromethane / 0.67 h / 0 °C
7: lithium bromide; dichloro[1,1'-bis(di-t-butylphosphino)ferrocene]palladium(II); copper(l) iodide / tetrahydrofuran / 0.17 h / Reflux
With
2,6-dimethylpyridine; copper(l) iodide; dichloro[1,1'-bis(di-t-butylphosphino)ferrocene]palladium(II); water; bromine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine; lithium bromide; zinc(II) chloride; lithium hydroxide;
In
tetrahydrofuran; ethanol; dichloromethane; chloroform; N,N-dimethyl-formamide; chlorobenzene;