in ethanol byproducts: NaCl; refluxed in abs. EtOH for 3-4 h; concd., cooled, filtered, benzene was added to the filtrate, mixt. was refluxed for ca. 2 h in a Dean-Stark apparatus filtering off any sepd. NaCl, solvent was removed, residue was purified by recrystn. from EtOH; elem. anal.;
参考文献
Sandhu, G. K.; Verma, S. P.; Moore, L. S.; Parish, R. V.
Journal of Organometallic Chemistry, 1987 , vol. 321, p. 15 - 26
N'-(3-dimethylaminopropyl)-N-ethylcarbodiimide in N,N-dimethyl-formamide T=0 - 20°C; Esterification;
参考文献
Colton, Ian J.; Anderson, Janelle R.; Gao, Jinming; Chapman, Robert G.; Isaacs, Lyle; Whitesides, George M.
Journal of the American Chemical Society, 1997 , vol. 119, # 52 p. 12701 - 12709