in tetrahydrofuran N2-atmosphere; slight excess of diethyl ketomalonate; crystn. (in few cases crystn. of ((C16H14N2O2)CoNa(C4H8O)3)2(OC(CO2C2H5)2)2 is observed);
参考文献
Arena, Francesco; Floriani, Carlo; Chiesi-Villa, A.; Guastini, Carlo
Inorganic Chemistry, 1986 , vol. 25, p. 4589 - 4596
