反应条件
NaH in tetrahydrofuran Ar atmosphere, deprotonation of γ-pyrone with NaH in THF at -70°C, slow warming to 25°C, addn. to soln. of tin compound, stirring (2 h); filtration (Kieselgur), drying, dissolution (Et2O), chromy. (silica gel,elution of Cr(CO)6 and (CO)5CrSn(C6H5O3) with Et2O, elution of THF comp lex with THF), concn.;
参考文献
Kircher, Peter; Huttner, Gottfried; Heinze, Katja; Zsolnai, Laszlo
European Journal of Inorganic Chemistry, 1998 , # 8 p. 1057 - 1066
