sodium tetrahydroborate 1) ethanol, reflux, 2 h 2) 20 deg C, 3 h; Multistep reaction. Title compound not separated from byproducts;
参考文献
Kadzyauskas, P. P.; Malinauskene, Yu. A.; Butkus, E. P.; Zefirov, N. S.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 7 p. 727 - 729
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , # 7 p. 940 - 942