Helvetica Chimica Acta

Boric Acid??Catalyzed Direct Condensation of Carboxylic Acids with Benzene??1, 2??diamine into Benzimidazoles

N Maraš, M Kočevar

文献索引：Helvetica Chimica Acta, , vol. 94, # 10 p. 1860 - 1874

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被引用次数: 12

摘要

... 7 1a þ 2a 5/3 mol-% of 9 54 a) A mixture of 2 mmol of each reactant with the specified catalyst were refluxed in 5 ml of toluene for 3 h; then, a sample of the mixture was evaporated and analyzed by 1H-NMR spectroscopy. Helvetica Chimica Acta – Vol. 94 (2011) 1868 Page 10. ...