期刊
GREEN CHEMISTRY
卷 19, 期 7, 页码 1659-1662出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6gc03579e
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资金
- Institute of Bioengineering and Nanotechnology (Biomedical Research Council, Agency for Science, Technology and Research (A*STAR), Singapore)
Vinyl ethers are essential synthetic building blocks for organic synthesis, especially for polymer synthesis and highly vinylated polyol substrates. Herein, a transition metal-free, mild, and safe protocol has been developed for direct vinylation of natural alcohols with calcium carbide. Various sugar alcohols, phenol and its derivatives were tested and proved successful using this green methodology. Selectivity of full vinylated products of the reaction decreases with increasing hydroxyl groups because of side reactions occurring under the basic medium. Electron-donating substituted phenols work more efficiently than electron-withdrawing substituted phenols in general. This methodology may provide new insights on selective vinylation of electron-rich biomassderived materials.
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