反应条件
PPA; Polyphosphoric acid (PPA)
1.) 120 degC, 3 h, 2.) 140 deg C, 5 h; Multistep reaction;
参考文献
Lipinski, Christopher A.; Aldinger, Charles E.; Beyer, Thomas A.; Bordner, Jon; Burdi, Douglas F.; et al.
Journal of Medicinal Chemistry, 1992 , vol. 35, # 12 p. 2169 - 2177