1: EtONa / ethanol / 6 h / Heating 2: 2 N NaOH / 2 h / Heating 3: 5 N H2SO4 / 4.5 h / Heating View Scheme
参考文献
Kesten, Stephen J.; Degnan, Margaret J.; Hung, Jocelyn; McNamara, Dennis J.; Ortwine, Daniel F.; et al.
Journal of Medicinal Chemistry, 1992 , vol. 35, # 19 p. 3429 - 3447