Efficient and Eco‐friendly Syntheses of 1,5‐Benzothiazepines and 1,5‐Benzodiazepines Catalyzed by [Hmim][NO3] under Mild Conditions |
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| Authors: | Hossein Loghmani‐Khouzani Panteha Tamjidi Iraj Mohammadpoor‐Baltork Marzieh Yaeghoobi Noorsaadah Abd Rahman Ahmad Reza Khosropour Majid Moghadam Shahram Tangestaninejad Valiolah Mirkhani Mohammad Hossein Habibi Ayana Kashima Takayoshi Suzuki |
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| Institution: | 1. Catalysis Division, Department of Chemistry, University of Isfahan, Isfahan, Iran;2. Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia;3. Department of Chemistry, Faculty of Science, Okayama University, Okayama, Japan |
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| Abstract: | This article presents a synthetic method and reaction mechanism of the 1,5‐benzothiazepines and 1,5‐benzodiazepines derivatives. In this research, 36 thiazepines and diazepines (mostly new) with a new method have been prepared and their structures have been characterized by spectroscopic methods. Crystal structures of a new thiazepine and diazepine (seven‐membered rings) have also been determined and compared with thiazine (six‐membered ring). In this method, N‐methylimidazolium nitrate Hmim]NO3] has been used as a catalyst that acts as an environmental friendly system. |
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