trifluorormethanesulfonic acid in neat (no solvent)
T=30°C; 0.5 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Smith, Keith; Ewart, Gordon M.; El-Hiti, Gamal A.; Randles, Kenneth R.
Organic and Biomolecular Chemistry, 2004 , vol. 2, # 21 p. 3150 - 3154