反应条件
1: 90 percent / 1.) dry HCl, boron trifluoride etherate, 2.) water / 1.) halogen chloride passed 10h, 10h room temperature, 2.) 90 deg C, pH=1, 60 min
2: 93 percent / piperidine / pyridine / 10 h / 120 - 130 °C
View Scheme
参考文献
Khilya, V. P.; Kornilov, M. Yu.; Gorbulenko, N. V.; Golubushina, G. M.; Kovtun, E. N.; et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 11 p. 1273 - 1279
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 11 p. 1542 - 1550