One-pot, clean and energy efficient synthesis of dibenzo[b,f][۱,۴]oxazepine derivatives promoted by ultrasound
Publish place: Asian Journal of Green Chmistry، Vol: 2، Issue: 1
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_AJGC-2-1_001
تاریخ نمایه سازی: 11 شهریور 1402
Abstract:
In the present study, a variety of dibenzo [b,f][۱,۴] oxazepine derivatives was successfully synthesized in good yields under ultrasonic irradiation as an environmental friendly technique. This one-pot method is practically reliable, mild, catalyst-free, and inexpensive. Ultrasonic irradiation on the reaction mixture leads to fine emulsion between the reactants and violent collapses of a lot of cavitation bubbles in less than a microsecond releases extreme heat, leading to cross the activation energy barrier. In the absence of ultrasonic irradiation, a trace amount of the product was formed after ۵۰ min. The superiority of the ultrasound irradiation over other methods in the synthesis of dibenzo [b,f][۱,۴] oxazepine derivatives is its low reaction temperature and operational simplicity in approximately same yields.
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Authors
Hossein Paghandeh
Department of Science, Payame Noor University (PNU), PO Box.,۱۹۳۹۵-۴۶۹۷, Tehran, Iran
Hamid Saeidian
Department of Science, Payame Noor University (PNU), PO Box.,۱۹۳۹۵-۴۶۹۷, Tehran, Iran
Ebrahim Saeedian Moghadam
Chemistry and Chemical Engineering Research Center of Iran, PO Box ۱۴۳۳۵-۱۸۶, Tehran, Iran
Zohreh Mirjafary
Department of Chemistry, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
Mohammad Ghaffarzadeh
Chemistry and Chemical Engineering Research Center of Iran, PO Box ۱۴۳۳۵-۱۸۶, Tehran, Iran
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