bismuth trifluoromethanesulphonate in acetonitrile 1 h;
参考文献
Anzalone, Peter W.; Baru, Ashvin R.; Danielson, Eric M.; Hayes, Patrick D.; Nguyen, Mai P.; Panico, Ambrose F.; Smith, Russell C.; Mohan, Ram S.
Journal of Organic Chemistry, 2005 , vol. 70, # 6 p. 2091 - 2096