Multi-step reaction with 8 steps
1.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 2 h / 20 °C / Cooling with ice
2.1: 2.5 h / 70 °C / Cooling with ice
3.1: aluminum (III) chloride / 1,1-dichloroethane / 3 h / 80 °C / Cooling with ice
3.2: 20 °C
4.1: potassium carbonate / N,N-dimethyl-formamide / 2 h / 20 °C
5.1: pyridinium hydrobromide perbromide / tetrahydrofuran / 0 °C / Reflux
6.1: (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole / tetrahydrofuran / 0.67 h / -55 - -45 °C / Inert atmosphere
6.2: -45 - 0 °C / Inert atmosphere
6.3: 20 °C
7.1: hydrogen bromide / methanol / 3 h / 80 °C
7.2: 100 °C
8.1: hydrogen / palladium 10% on activated carbon / methanol / 2 h / 20 °C
With
aluminum (III) chloride; pyridinium hydrobromide perbromide; hydrogen bromide; hydrogen; potassium carbonate; 3-chloro-benzenecarboperoxoic acid;
palladium 10% on activated carbon; (3aR)-1-methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole;
In
tetrahydrofuran; methanol; 1,1-dichloroethane; dichloromethane; N,N-dimethyl-formamide;