(2019) Synthesis of Tetrahydropyrazolo 4 ',3 ':5,6 pyrano 3,4-c quinolones by Domino Knoevenagel/Hetero Diels-Alder Reactions. Synlett. pp. 1782-1786. ISSN 0936-5214
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Synthesis of Tetrahydropyrazolo4 `,3 `5,6pyrano3,4-cquinolones by Domino KnoevenagelHetero Diels-Alder Reactions.pdf Download (256kB) |
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Abstract
An efficient Lewis acid mediated domino Knoevenagel/hetero Diels-Alder (DKHDA) reaction of pyrazolone derivatives with N-acrylated anthranilic aldehydes was developed, which afforded functionalized tetracyclic tetrahydropyrazolo4',3':5,6pyrano3,4-cquinolones. The products were formed in good yields and with excellent regio- and stereoselectivity in favor of the cis-configured isomer.
| Item Type: | Article |
|---|---|
| Keywords: | domino reaction regioselectivity cyclizations heterocycles Diels-Alder reaction Knoevenagel reaction annulated thiopyranocoumarin derivatives pyrazole derivatives enantioselective synthesis stereoselective-synthesis cyclization reactions catalyzed synthesis in-vitro antitumor potent heterocycles Chemistry |
| Divisions: | |
| Page Range: | pp. 1782-1786 |
| Journal or Publication Title: | Synlett |
| Journal Index: | ISI |
| Volume: | 30 |
| Number: | 15 |
| Identification Number: | https://doi.org/10.1055/s-0039-1690189 |
| ISSN: | 0936-5214 |
| Depositing User: | مهندس مهدی شریفی |
| URI: | http://eprints.bmsu.ac.ir/id/eprint/2379 |
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