1: 7.2 g / PPTS / dimethylformamide; benzene / Heating 2: 4.7 g / 2percent AcOH / dimethylformamide; methanol / Ambient temperature 3: 3.4 g / pyridine / Ambient temperature 4: 1.48 g / AcOK / dimethylformamide / Heating View Scheme
参考文献
Green, Michael J.; Tiberi, Robert L.; Friary, Richard; Lutsky, Barry N.; Berkenkoph, Joseph; et al.
Journal of Medicinal Chemistry, 1982 , vol. 25, # 12 p. 1492 - 1495
