in tetrahydrofuran byproducts: CH3CH2OH; Ar atmosphere, addn. of pentanedione to soln. of tin compound at 25°C, stirring (2 h); filtration (Kieselgur), drying, dissolution (THF), chromy. (silica gel, elution of Cr(CO)6 with Et2O, elution of tin complex with THF), evapn. of solvent (vacuum);
参考文献
Kircher, Peter; Huttner, Gottfried; Heinze, Katja; Zsolnai, Laszlo
European Journal of Inorganic Chemistry, 1998 , # 8 p. 1057 - 1066
sodium hydride other reactant: ethyl acetoacetate, other N-aroylbenzimidazoles, multistep reaction, 1.) DMF, mineral oil, 2.) DMF, mineral oil, heating; Mechanism;
参考文献
Karnik, A. V.; Rane, J. P.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1998 , vol. 37, # 11 p. 1191 - 1193
