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间苯二酚常压催化氢化得到 1,3-环己二酮 ,经缩合、Reformatsky反应、脱氢反应 ,得到 4-苯并呋喃乙酸乙酯 ,再水解酸化后 ,得到依那朵林合成中的关键中间体 4-苯并呋喃乙酸。
Hydrogenation of resorcinol at atmospheric pressure to obtain 1,3-cyclohexanedione, by condensation, Reformatsky reaction, dehydrogenation reaction to give ethyl 4-benzofuran acetate, rehydrolysis acidification, obtained in the synthesis of etanerodine The key intermediate 4-benzofuran acetic acid.