1: With trifluoroacetic acid in dichloromethane T=0 - 25°C; Inert atmosphere; 2: With sodium hydrogencarbonate in water pH=> 7; Inert atmosphereSaturated solution;
参考文献
Nicolaou, K. C.; Krasovskiy, Arkady; Majumder, Utpal; Trepanier, Vincent E.; Chen, David Y.-K.
Journal of the American Chemical Society, 2009 , vol. 131, p. 3690 - 3699