反应条件
1: 1.) carbonyldiimidazole 2: NaBH4 / ethanol / 1 h / -15 - -10 °C 3: 80 percent / TsOH*H2O / 1.) r.t., 24 h, 2.) 50 deg C, 7 h 4: 100 percent / 1 M aq. NaOH / ethanol / 18 h / Ambient temperature 5: (COCl)2, DMF / toluene / 1 h 6: CBrCl3, 2-mercaptopyridine N-oxide sodium salt, 4-(dimethylamino)pyridine / 1 h / 80 °C / Irradiation 7: aq. AcOH, conc. HCl / 3 h / Ambient temperature 8: 100 percent / KOH / methanol / 3 h / Ambient temperature 9: 84 percent / propan-2-ol / 1.) 70 deg C, 9 h, 2.) r.t., 16 h 10: 86 percent / trifluoroacetic acid / 1 h / Ambient temperature 11: 48 percent / 1-hydroxybenzotriazole hydrate, dicyclohexylcarbodiimide, N-ethylmorpholine / tetrahydrofuran / 64 h / Ambient temperature 12: H2 / 10percent Pd/C / ethanol / 16 h 13: 1-hydroxybenzotriazole hydrate, dicyclohexylcarbodiimide, N-ethylmorpholine / tetrahydrofuran / 16 h / Ambient temperature View Scheme
参考文献
Parkes, Kevin E. B.; Bushnell, David J.; Crackett, Peter H.; Dunsdon, Stephen J.; Freeman, Andrew C.; et al.
Journal of Organic Chemistry, 1994 , vol. 59, # 13 p. 3656 - 3664
