反应条件
1: 1) NaH (60percent in oil), 2) n-BuLi / 1) THF, 0 deg C, 30 min, 2) THF, hexane, 0 deg C, 10 min, 3) THF, hexane, 0 deg C, 30 min then RT, 1 h
2: 82 percent / p-TsOH / benzene / Heating; azeotropic removal of water
View Scheme
参考文献
Funakoshi, Kazuhisa; Togo, Nagako; Taura, Yukari; Sakai, Kiyoshi
Chemical & Pharmaceutical Bulletin, 1989 , vol. 37, # 7 p. 1776 - 1779