反应条件
sulfuric acid; copper diacetate; trifluoroacetic acid
1) dimethylformamide, 160deg C, 4 min 2) 45 min; Yield given. Multistep reaction;
参考文献
Smith, Kevin M.; Langry, Kevin C.; Minnetian, Ohannes M.
Journal of Organic Chemistry, 1984 , vol. 49, # 24 p. 4602 - 4609
