反应条件
urea in neat (no solvent) heating of 2,3-naphthalene dicarboxylic acid with urea (excess) in the presence of AlCl3 and a catalytic amt. of ammonium molybdate, 300 °C; repeated washing (0.5N HCl, 0.5N NaOH, 50 °C) or ultrasonication in alkaline medium (pH 14); 2-3 subls. at 300 °C (30 min., 0.5 mm Hg);
参考文献
Margaron, Philippe; Tempete, Christiane; Dendane, Yvonne-Marie; Gaspard, Serge; Giannotti, Charles; Werner, Georges-Hubert
Comptes Rendus de l'Academie des Sciences, Serie II: Mecanique, Physique, Chimie, Sciences de la Terre et de l'Univers, 1989 , vol. 309, p. 1159 - 1164
