反应条件
1: toluene-4-sulfonic acid / ethyl acetate / 2 h / 50 - 62 °C / |Inert atmosphere; |Large scale 2: N-ethyl-N,N-diisopropylamine / isopropyl alcohol / 3 h / |Inert atmosphere; |Reflux; |Large scale View Scheme
参考文献
Challenger, Stephen; Dessi, Yann; Fox, Darrell E.; Hesmondhalgh, Lynsey C.; Pascal, Pierre; Pettman, Alan J.; Smith, Julian D.
Organic Process Research and Development, 2008 , vol. 12, # 4 p. 575 - 583