Multi-step reaction with 8 steps
1.1: oxalyl dichloride / dichloromethane / 4 h / 20 °C
2.1: TurboGrignard / tetrahydrofuran / 2.25 h / -30 °C
2.2: 0.42 h / -30 - -20 °C
2.3: 4.08 h / -40 - 0 °C
3.1: sodium hydroxide / tetrahydrofuran; methanol / 1 h
4.1: dichloromethane / 24 h / Reflux
5.1: sodium cyanoborohydride; ammonium acetate / methanol / 18 h / 60 °C
6.1: chloro(2-dicyclohexylphosphino-3,6-dimethoxy-2',4',6'-triisopropyl-1,1'-biphenyl)[2-(2-aminoethyl)phenyl]palladium(ll); potassium tert-butylate / tetrahydrofuran / 18 h / Reflux
7.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
8.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 18 h
With
TurboGrignard; 1-hydroxy-7-aza-benzotriazole; oxalyl dichloride; chloro(2-dicyclohexylphosphino-3,6-dimethoxy-2',4',6'-triisopropyl-1,1'-biphenyl)[2-(2-aminoethyl)phenyl]palladium(ll); potassium tert-butylate; ammonium acetate; sodium cyanoborohydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; trifluoroacetic acid; sodium hydroxide;
In
tetrahydrofuran; methanol; dichloromethane;