1: 87 percent / POCl3 / 7 h / Heating 2: 50 percent / NaI / acetone / 17 h / Ambient temperature 3: 52 percent / diisopropylethylamine / acetonitrile / 20 h / Heating View Scheme
参考文献
Saari, Walfred S.; Wai, John S.; Fisher, Thorsten E.; Thomas, Craig M.; Hoffman, Jacob M.; et al.
Journal of Medicinal Chemistry, 1992 , vol. 35, # 21 p. 3792 - 3802