n-butyllithium in hexane; Petroleum ether byproducts: butane, LiBr; the urea in petroleum ether was refluxed under N2 with n-BuLi in hexanefor 48 h; the solvents were removed in vac., the residue was fractional distd.; elem. anal.;
参考文献
Maringgele, Walter
Chemische Berichte, 1982 , vol. 115, # 10 p. 3271 - 3289
sodium-potassium alloy; sodium in diethyl ether byproducts: benzyl benzoate; N2-atmosphere; slow addn. of PhCH2OH to excess of Na/K-alloy (molar ratio Na:K=37.9:73) with stirring, stirring for 10 d, slow addn. of PhCOCl to sepd. supernatant, stirring for 1 h; evapn. (reduced pressure), fractional distn.; mixt. with benzoyl benzoate (boiling at 102°C/0.7 Torr) not sepd., detd. by (1)H-, (11)B-NMR and IR spectrosocpy;
参考文献
Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), , p. 2297 - 2300
