Multi-step reaction with 9 steps
1: 1.) HMDS, TMS-Cl, 2.) trimehtylsilyl trifluoromethanesulfonate / 1.) 120 deg C, 2.) 1,2-dichloroethane, 70 deg C, 4 h.
2: 99 percent / NH3 / methanol / Ambient temperature
3: 84 percent / Py / 2 h
4: 1.) oxalyl chloride, DMSO, 2.) Et3N / 1.) CH2Cl2, -70 deg C, 2.8 h, 2.) -70 deg C, 1 h.
5: NaBD4 / ethanol / 1 h
6: 74 percent / DMAP, Py / CH2Cl2 / 2.5 h / 0 °C
7: 96 percent / dimethylformamide / 4.5 h
8: 67 percent / NH3 / methanol / 21 h / Ambient temperature
9: 96 percent / 1-N-methylimidazole / CH2Cl2 / Ambient temperature
With
pyridine; 1-methyl-1H-imidazole; dmap; chloro-trimethyl-silane; sodium borodeuteride; oxalyl dichloride; trimethylsilyl trifluoromethanesulfonate; ammonia; dimethyl sulfoxide; triethylamine; 1,1,1,3,3,3-hexamethyl-disilazane;
In
methanol; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(98)00905-3