Oechsner de Conninck; Raynaud
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1902 , vol. 135, p. 1351
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Bouchardat
Bulletin de la Societe Chimique de France, 1880 , vol. <2>34, p. 495
1: With aluminium hydride; copper(l) iodide; tetrabutylammomium bromide; nickel in N,N-dimethyl-formamide T=20°C; P=30003 Torr; Electrochemical reaction; 2: With hydrogenchloride; water in N,N-dimethyl-formamide 3 h;
参考文献
Chinese Journal of Chemistry, , vol. 28, # 9 p. 1685 - 1689
in water P=112511 Torr; 0.666667 h; an apparatus is described and claimed comprising a condensation and synthesis column and a stripper where the unreacted ammonia and carbon dioxide are separated from the urea and recycled to the separation and synthesis column where they are reacted with ammonia;
