Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions
Optimization of a green approach to the synthesis of pyrano[2,3-c]pyrazoles based on the one-pot, four-component condensation via a domino Knoevenagel/Michael/cyclization sequence was investigated. This method involved the evaluation of the activity of several ionic liquids (ILs) in various solvents...
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Springer Netherlands
2017
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my.utm.757332018-04-30T13:13:42Z http://eprints.utm.my/id/eprint/75733/ Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions Zakeri, M. Nasef, M. M. Kargaran, T. Ahmad, A. Abouzari Lotf, E. Asadi, J. T Technology (General) Optimization of a green approach to the synthesis of pyrano[2,3-c]pyrazoles based on the one-pot, four-component condensation via a domino Knoevenagel/Michael/cyclization sequence was investigated. This method involved the evaluation of the activity of several ionic liquids (ILs) in various solvents. This one-pot, four-component reaction revealed simplicity, higher yield and lower toxicity advantages over a corresponding three-component method. The effect of reaction parameters including the type and amount of catalyst, type of solvent, reaction temperature and time were studied with respect to yield of pyrano[2,3-c]pyrazoles. Catalyst recyclability and time-saving aspects of the reaction suggest that this method presents real alternatives over conventional reaction protocols. Springer Netherlands 2017 Article PeerReviewed Zakeri, M. and Nasef, M. M. and Kargaran, T. and Ahmad, A. and Abouzari Lotf, E. and Asadi, J. (2017) Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions. Research on Chemical Intermediates, 43 (2). pp. 717-728. ISSN 0922-6168 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979256984&doi=10.1007%2fs11164-016-2648-y&partnerID=40&md5=e4f2e267df9ab2c41ec1ccf500a587fe |
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Universiti Teknologi Malaysia |
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T Technology (General) |
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T Technology (General) Zakeri, M. Nasef, M. M. Kargaran, T. Ahmad, A. Abouzari Lotf, E. Asadi, J. Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| description |
Optimization of a green approach to the synthesis of pyrano[2,3-c]pyrazoles based on the one-pot, four-component condensation via a domino Knoevenagel/Michael/cyclization sequence was investigated. This method involved the evaluation of the activity of several ionic liquids (ILs) in various solvents. This one-pot, four-component reaction revealed simplicity, higher yield and lower toxicity advantages over a corresponding three-component method. The effect of reaction parameters including the type and amount of catalyst, type of solvent, reaction temperature and time were studied with respect to yield of pyrano[2,3-c]pyrazoles. Catalyst recyclability and time-saving aspects of the reaction suggest that this method presents real alternatives over conventional reaction protocols. |
| format |
Article |
| author |
Zakeri, M. Nasef, M. M. Kargaran, T. Ahmad, A. Abouzari Lotf, E. Asadi, J. |
| author_facet |
Zakeri, M. Nasef, M. M. Kargaran, T. Ahmad, A. Abouzari Lotf, E. Asadi, J. |
| author_sort |
Zakeri, M. |
| title |
Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| title_short |
Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| title_full |
Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| title_fullStr |
Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| title_full_unstemmed |
Synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| title_sort |
synthesis of pyrano2,3-cpyrazoles by ionic liquids under green and eco-safe conditions |
| publisher |
Springer Netherlands |
| publishDate |
2017 |
| url |
http://eprints.utm.my/id/eprint/75733/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979256984&doi=10.1007%2fs11164-016-2648-y&partnerID=40&md5=e4f2e267df9ab2c41ec1ccf500a587fe |
| _version_ |
1643657145747505152 |
| score |
13.250246 |