Citation: Jaiprakash N. Sangshetti, Nagnnath D. Kokare, Devanand B. Shinde. Sulfanilic acid catalyzed solvent-free synthesis of 1,5-benzodiazepine derivatives[J]. Chinese Chemical Letters, ;2007, 18(11): 1305-1308. doi: 10.1016/j.cclet.2007.09.022 shu

Sulfanilic acid catalyzed solvent-free synthesis of 1,5-benzodiazepine derivatives

a Department of Chemical Technology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MS, India;
b New Drug Discovery, Wockhardt Research Centre, Aurangabad 431210, MS, India

Received Date: 11 May 2007

Fund Project: The authors are thankful to the Head,Department of Chemical Technology,Dr.Babasaheb Ambedkar Marathwada University,Aurangabad 431004(MS),India for providing the laboratory facility.

Sulfanilic acid has been found to be an efficient catalyst for the synthesis of 1, 5-benzodiazepines from o-phenylenediamine and ketones. This method is simple, effective and environmentally friendly and gives better yields.
- 1,5-Benzodiazepines,
- Sulfanilic acid catalyst,
- Solvent free condition
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