aluminium in N,N-dimethyl-formamide byproducts: Al(3+); Electrolysis; electrolysis carried out in a single-compartment cell at room temp., starting materials dissolved in DMF containing KBr or n-Bu4NBr, solvent andexcess B(OCH3)3 evaporated under vacuum, medium hydrolysed at 0° C with an HCl or H2SO4 soln.; extraction with Et2O (3 x 20 ml if the solvent evaporated or 3 x 60 ml otherwise), dried over sodium or magnesium sulfate and concentrated undervacuum, side product phenol formation avoided by work-up under inert at mosphere, recrystallized in CH2Cl2;
参考文献
Laza, Carine; Dunach, Elisabet; Serein-Spirau, Francoise; Moreau, Joel J. E.; Vellutini, Luc
New Journal of Chemistry, 2002 , vol. 26, # 4 p. 373 - 375
oxygen; anhydrous cobalt diacetate; sodium bromide in acetic acid T=100°C; 1.66667 h; dependence on temperatures and concentrations of reagent and catalysts; Product distributionRate constant;
参考文献
Shchedrinskaya, T. V.; Leichenko, A. A.; Volkov, M. N.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 1941 - 1944
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 10 p. 2177 - 2180