Synthesis of (E)-cinnamyl ester derivatives via a greener Steglich esterification
作者:Andrew B. Lutjen、Mackenzie A. Quirk、Allycia M. Barbera、Erin M. Kolonko
DOI:10.1016/j.bmc.2018.04.007
日期:2018.10
Cinnamic acid derivatives are known antifungal, antimicrobial, antioxidant, and anticancer compounds. We have developed a facile and mild methodology for the synthesis of (E)-cinnamate derivatives using a modified Steglich esterification of (E)-cinnamic acid. Using acetonitrile as the solvent, rather than the typical chlorinated solvent, and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) as the
肉桂酸衍生物是已知的抗真菌,抗微生物,抗氧化剂和抗癌化合物。我们已经开发了用于(合成的容易且温和的方法Ë使用(的变形steglich酯化反应) -肉桂酸酯衍生物ë) -肉桂酸。使用乙腈作为溶剂,而不是典型的氯化溶剂,并使用1-乙基-3-(3-二甲基氨基丙基)碳二亚胺(EDC)作为偶联剂,可以在温和加热(40–45°C)的条件下在45分钟内完成酯转化。平均收率为70%,无需进一步纯化。这些条件用于耦合(E肉桂酸与1°和2°脂肪族醇,苄基和烯丙基醇以及酚。这项工作证明了Steglich酯化反应的简便而绿色的方法。