摘要
A series of (E)-1-aryloxy-1-en-3-ynes has been prepared by Sonogashira coupling of 2-bromo-3-aryloxypropenoates with terminal alkynes using Pd(PPh 3) 4 and CuI as the catalysts in Et 3N. The resulting enynyl-aryl ethers are found to be highly applicable to the synthesis of 2,4-disubstituted furans with an ester group at C-4 position through an Au/Ag-catalyzed annulation reaction under extremely mild reaction conditions.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 2960-2965 |
| 页数 | 6 |
| 期刊 | Organic and Biomolecular Chemistry |
| 卷 | 10 |
| 期 | 15 |
| DOI | |
| 出版状态 | 已出版 - 21 4月 2012 |
指纹
探究 'Gold-catalyzed efficient synthesis of 2,4-disubstituted furans from aryloxy-enynes' 的科研主题。它们共同构成独一无二的指纹。引用此
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