in hexane soln. of Li amide in hexane quickly added at -60.degreeC under Ar to a susp. of equimolar amt. Zr complex in hexane; warmed slowly to room temp.and stirred for 8 h; filtered, concnd., cooled to -40°C; crystalline ppt. collected; recrystn. from toluene at -40°C;
参考文献
Ciruelo, Gemma; Cuenca, Tomas; Gomez, Rafael; Gomez-Sal, Pilar; Martin, Avelino
Journal of the Chemical Society. Dalton Transactions, 2001 , # 10 p. 1657 - 1663
in tetrahydrofuran; hexane T=-20°C; Yield given. Yields of byproduct given;
参考文献
Apasov, E. T.; Dzhetigenov, B. A.; Shepelev, E. V.; Strelenko, Yu. A.; Kalinin, A. V.
Russian Chemical Bulletin, 1993 , vol. 42, # 4 p. 703 - 706
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1993 , # 4 p. 739 - 741
in hexane
byproducts: LiCl, (CH3)2NH; under N2, TaCl5, LiN(CH3)2, LiNHC(CH3)3 in hexane were stirred for 48 h; mixt. was filtered, soln. was evapd., residue was sublimed, product wasrecrystd. from hexane; elem. anal.;
参考文献
Nugent, William A.
Inorganic Chemistry, 1983 , vol. 22, p. 965 - 969
