TY - JOUR ID - 7608 TI - A Fast and Efficient Method for the Synthesis of 1,5-Benzodiazepine Derivatives Under Solvent-Free Conditions JO - Iranian Journal of Chemistry and Chemical Engineering JA - IJCCE LA - en SN - 1021-9986 AU - Shaabani, Ahmad AU - Maleki, Ali AD - Department of Chemistry, Shahid Beheshti University, P.O. Box 19396-4717 Tehran, I.R. IRAN Y1 - 2007 PY - 2007 VL - 26 IS - 4 SP - 93 EP - 97 KW - 1, 5-Benzodiazepine KW - Ortho-phenylenediamine KW - Solid acid catalyst KW - Silica sulfuric acid KW - Synthesis DO - 10.30492/ijcce.2007.7608 N2 - 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 UR - https://ijcce.ac.ir/article_7608.html L1 - https://ijcce.ac.ir/article_7608_995386edc4d67139792c2ac4ca7d146e.pdf ER -