反应条件
1: trifluorormethanesulfonic acid / toluene / 3 h / 20 °C 2: 2,3-dicyano-5,6-dichloro-p-benzoquinone / ethyl acetate / 0.08 h View Scheme
参考文献
Tummatorn, Jumreang; Thongsornkleeb, Charnsak; Ruchirawat, Somsak; Gettongsong, Tanita
Organic and Biomolecular Chemistry, 2013 , vol. 11, # 9 p. 1463 - 1467