A modular approach to 5-acylated naphtho[2,1-b]benzofurans was developed where Sonogashira cross-coupling and intramolecular alkyne carbonyl metathesis were sequentially employed to build the aromatic benzene C ring of naphtho[2,1-b]benzofuran with an acyl group at the C5 position.

中文翻译：

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通过分子内炔烃羰基复分解的多环芳香族杂环：5-酰基萘[2,1-b]苯并呋喃

开发了一种模块化的5-酰化萘并[2,1-b]苯并呋喃的方法，其中Sonogashira交叉偶联和分子内炔烃羰基置换被依次用于构建萘并[2,1-b]苯并呋喃的芳族苯碳环。 C5位置的酰基。