反应条件
trifluoroacetic acid 1.) 60 deg C, 4 h, 2.) 0 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Haga, Naoki; Endo, Yasuyuki; Kataoka, Ken-Ichiro; Yamaguchi, Kentaro; Shudo, Koichi
Journal of the American Chemical Society, 1992 , vol. 114, # 25 p. 9795 - 9806