Revisiting Hydroxyalkylation of Phenols with Cyclic Carbonates

Shih Chieh Kao, Yi Ching Lin, Ilhyong Ryu, Yen-Ku Wu*

*Corresponding author for this work

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

Described is a tetrabutylammonium fluoride-mediated hydroxyalkylation reaction of phenols with cyclic carbonates. This operationally simple method enables the synthesis of a variety of aryl β-hydroxyethyl ethers in good to excellent yields with a very small amount of catalyst loading (0.1–1 mol%). Of particular note is the efficient conversion of aromatic diols and phloroglucinol to the corresponding bis- and tris-hydroxyethylated products. To further showcase the versatility of this protocol, guaifenesin was prepared with a single step by the condensation of guaiacol and glycerol carbonate. We also developed a flow ethoxylation process permitting the continuous synthesis of multiflorol. (Figure presented.).

原文English
頁(從 - 到)3639-3644
頁數6
期刊Advanced Synthesis and Catalysis
361
發行號15
DOIs
出版狀態Published - 5 八月 2019

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