%0 Journal Article %T A Fast and Efficient Method for the Synthesis of 1,5-Benzodiazepine Derivatives Under Solvent-Free Conditions %J Iranian Journal of Chemistry and Chemical Engineering %I Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR %Z 1021-9986 %A Shaabani, Ahmad %A Maleki, Ali %D 2007 %\ 12/01/2007 %V 26 %N 4 %P 93-97 %! A Fast and Efficient Method for the Synthesis of 1,5-Benzodiazepine Derivatives Under Solvent-Free Conditions %K 1, 5-Benzodiazepine %K Ortho-phenylenediamine %K Solid acid catalyst %K Silica sulfuric acid %K Synthesis %R 10.30492/ijcce.2007.7608 %X Silica sulfuric acid is found to catalyze efficiently the condensation of o-phenylenediamines with various linear and cyclic ketones to afford the corresponding 1,5-benzodiazepines in quantitative yields under solvent-free conditions at room temperature %U https://ijcce.ac.ir/article_7608_995386edc4d67139792c2ac4ca7d146e.pdf