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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 4
BKCSDE 32(4)
April 20, 2011 

An Organocatalyzed and Ultrasound Accelerated Expeditious Synthetic Route to 1,5-Benzodiazepines under Solvent-Free Conditions
Pravin V. Shinde, Bapurao B. Shingate, Murlidhar S. Shingare *
1,5-Benzodiazepine, Camphor sulphonic acid, Ultrasonication, Solvent-free reaction.
In the present work, successful implementation of ultrasound irradiations for the rapid synthesis of 1,5- benzodiazepine derivatives under solvent-free conditions is demonstrated. Use of a novel catalyst i.e. camphor sulphonic acid in combination with ultrasound technique is reported for the first time. Comparative study for the synthesis of 1,5-benzodiazepines using conventional as well as ultrasonication method is discussed.
1179 - 1182
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