反应条件
sulfuric acid
1.) THF, -78 deg C -> 20 deg C , 1 h, 2.) -78 deg C -> 20 deg C; 20 deg C, 1 h; Yield given. Multistep reaction;
参考文献
Wigal, Carl T.; McKinley, Jason D.; Coyle, Jennifer; Porter, Diane J.; Lehman, Daniel E.
Journal of Organic Chemistry, 1995 , vol. 60, # 26 p. 8421 - 8423