in diethyl ether
overnight stirring, (N2); vec. evapn., redissolving in min. amount of CH2Cl2, column chromy. (silicagel, hexane, and hexane/CH2Cl2 in 1:1 v:v ratio), recrystn. (CH2Cl2/hexane), elem. anal.;
参考文献
El-khateeb, Mohammad
Polyhedron, 2006 , vol. 25, # 6 p. 1386 - 1390