Multi-step reaction with 7 steps
1.1: trichlorophosphate / N,N-dimethyl-formamide / 4 h / 110 °C
2.1: sodium t-butanolate / tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / toluene / 2 h / Reflux; Inert atmosphere
3.1: 1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0) / N,N-dimethyl-formamide / 0.5 h / 170 °C / Reflux; Inert atmosphere
4.1: trifluoroacetic acid / dichloromethane / 3 h / 20 °C
5.1: N,N-dimethyl acetamide / 70 °C
5.2: 2 h / Reflux
6.1: water; sodium hydroxide / methanol / 18 h / 20 °C
6.2: pH 2
7.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 3 h / 20 °C
With
water; N-ethyl-N,N-diisopropylamine; HATU; trifluoroacetic acid; sodium hydroxide; sodium t-butanolate; trichlorophosphate;
1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
methanol; dichloromethane; N,N-dimethyl acetamide; N,N-dimethyl-formamide; toluene;