water; trifluoroacetic acid in dichloromethane 3 h;
参考文献
Branderhorst, Hilbert M.; Kooij, Raymond; Salminen, Annika; Jongeneel, Lieneke H.; Arnusch, Christopher J.; Liskamp, Rob M. J.; Finne, Jukka; Pieters, Roland J.
Organic and Biomolecular Chemistry, 2008 , vol. 6, # 8 p. 1425 - 1434