化学
芳基
丙炔
炔丙基
炔丙基溴
克莱森重排
薗头偶联反应
酚类
有机化学
烷基化
溴化物
药物化学
烷基
催化作用
钯
作者
V. S. Prasada Rao Lingam,Ramanatham Vinodkumar,K. Mukkanti,Abraham Thomas,Balasubramanian Gopalan
标识
DOI:10.1016/j.tetlet.2008.04.150
摘要
A variety of mono- and disubstituted phenols are alkylated with propargyl bromide to give phenyl 2-propynyl ethers, which were further coupled with aryl iodides under Sonogashira reaction conditions to give 3-phenoxy-1-aryl-1-propyne derivatives. The latter compounds underwent an initial Claisen rearrangement followed by ring closure to give functionalized benzo[b]furans in moderate to good yields.
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