sodium chloride in diethyl ether; water reaction mixture is poured into ice-cold satd. aq. NaCl soln.; ether layer is separated and evapd.; poured into dry xylene and cooled in ice-bath; ppt. impure compound;
参考文献
Cassaretto, F. P.; McLafferty, J. J.; Moore, C. E.
Analytica Chimica Acta, 1965 , vol. 32, p. 376 - 380
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Gmelin Handbook: B: B-Verb.8, 11.2.3, page 167 - 173
in acetone react. of equal moles of (C3H3N2CH3C4H9)Cl with NaBF4 in acetone; stirring at room temp. for 24 h; filtering and vac. drying overnight at 50°C; detd. by NMR;
参考文献
Xiao, Li; Johnson, Keith E.
Journal of the Electrochemical Society, 2003 , vol. 150, # 6 p. E307-E311
CF3COOH in dichloromethane To a soln. of complex in CH2Cl2 was added CF3CO2H, the mixt. was stirred for 10 min (N2 atm.); evapd., extd. with H2O, NaBF4 was added;; ppt. was filtered, recrystd. from CH2Cl2-hexane;;
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Merrifield, James H.; Strouse, Charles E.; Gladysz, J. A.
Organometallics, 1982 , vol. 1, p. 1204 - 1211
H2SO4 in neat (no solvent) heating (140°C), heating (180-200°C); feeding through condenser (15°C) and absorbtions tube (boric anhydride interspaced with glass wool), condensation (-196°C);
参考文献
Olandi, M.; Bauder, A.
Journal of Chemical Physics, 1987 , vol. 86, p. 624 - 628
