Synthesis of 5-(2-thienyl)-4,5-dihydrofurans and 7(2-thienyl)-2,8-dioxabicyc10[3.3.0]oct 3-enes using manganese(III)-based cyc1ization
l-Aryl-l-(2-thienyl)ethenes react with 2,4-pentanedione or ethyl acetoacetate in boiling acetic acid under the presence ofmanganese triacetate dihydrate affording new 4,5-dihydrofurans bearing a thienyl ring at the 5 position. On the other hand, these ethenes react with 3-acetyl-l-phenylpentane-l,4-...
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| Format: | Artikel |
| Sprache: | English |
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Trường Đại học Đà Lạt
2014
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| Online Zugang: | https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/37622 |
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