1: potassium tert-butoxide / dimethylformamide / 8 h / 80 °C 2: AcOH; piperidine / toluene / 4 h / Heating 3: HCl / methanol / 0.25 h 4: 84 percent / CoCl2; DMG; NaBH4 / NaOH / tetrahydrofuran; H2O / 20 °C View Scheme
参考文献
Reddy, K. Anji; Lohray; Bhushan; Reddy, A. Sekar; Mamidi, N. V. S. Rao; Reddy, P. Papi; Saibaba; Reddy, N. Jaipal; Suryaprakash; Misra, Parimal; Vikramadithyan, Reeba K.; Rajagopalan
Journal of Medicinal Chemistry, 1999 , vol. 42, # 17 p. 3265 - 3278