反应条件
1: 1) 4-Angstroem sieves 2) acetic acid / toluene / 1) 6 h, 0 deg C 2) 15 h, 21 deg C 2: P2O5, MeSO3H / 1) 3 d, 45 deg C 2) 1 d, 55 deg C 3) 1 d, 60 deg C View Scheme
参考文献
Zhao; Hughes; Bender; DeMarco; Reider
Journal of Organic Chemistry, 1991 , vol. 56, # 9 p. 3001 - 3006