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A Short, Formal, Biomimetic Synthesis of (±)-Polygalolides A and B
[Image: see text] Reaction of bisacetoxy pyranone 9 with Et(3)N gave 3-oxidopyrylium ylide 10, which underwent a stereo- and regiospecific [5 + 2] cycloaddition with α-methylenebutyrolactone to afford 16 (34%). Treatment of 16 with Cs(2)CO(3) resulted in hydrolysis of the lactone and acetate and con...
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| Main Authors: | , , , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
2007
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2532947/ https://ncbi.nlm.nih.gov/pubmed/17266323 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ol0630898 |
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