Multi-step reaction with 9 steps
1.1: 89 percent / imidazole / dimethylformamide / 20 h / 20 °C
2.1: 95 percent / H2 / Pd/C / tetrahydrofuran / 6 h
3.1: 95 percent / tetrahydrofuran / 16 h / 20 °C
4.1: NaH / tetrahydrofuran / 0.67 h / 20 °C
4.2: 100 percent / tetrahydrofuran / 12 h / 20 °C
5.1: 100 percent / H2 / Pd/C / ethyl acetate / 3 h
6.1: 28 percent / N,N-dimethyl-acetamide / 120 h / 20 °C
7.1: 93.6 percent / triethylamine trihydrofluoride / tetrahydrofuran / 20 °C
8.1: 100 percent / 4-(N,N-dimethyl)aminopyridine; Et3N / CH2Cl2 / 20 °C
9.1: 60 percent / NaI / acetone / Heating
With
1H-imidazole; dmap; triethylamine trihydrofluoride; hydrogen; sodium hydride; triethylamine; sodium iodide;
palladium on activated charcoal;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl acetamide; ethyl acetate; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jm020462i