Nano-SiO2 catalyzed three-component preparations of pyrano[2,3-d]pyrimidines, 4H-chromenes, and dihydropyrano[3,2-c]chromenes
An efficient one-pot three-component procedure has been developed for the preparation of tetrahydrobenzo[b]pyrans, dihydropyrano[3,2-c]chromenes, and pyrano[2,3-d]pyrimidines using nano-SiO2 as catalyst in H2O at 70 °C. This methodology has a number of advantages such as: use of reusable catalyst, e...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Springer
2018-01-01
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| Series: | Journal of Saudi Chemical Society |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S131961031730073X |
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