Total Syntheses of the Coumarin-Containing Natural Products Pimpinellin and Fraxetin Using Au(I)-Catalyzed Intramolecular Hydroarylation (IMHA) Chemistry
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https://figshare.com/articles/dataset/Total_Syntheses_of_the_Coumarin_Containing_Natural_Products_Pimpinellin_and_Fraxetin_Using_Au_I_Catalyzed_Intramolecular_Hydroarylation_IMHA_Chemistry/2370163
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资源简介：
The
title natural products (1 and 2,
respectively) have been synthesized by Au(I)-catalyzed intramolecular
hydroarylation (IMHA) of the relevant aryl propiolate esters (e.g., 13), which were themselves formed by reaction of the corresponding
phenols with either 3-(trimethylsilyl)propiolic acid or propiolic
acid and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride or dicyclohexylcarbodiimide.
(±)-Purpurasol (3) was readily derived from fraxetin
(2) by established procedures.
创建时间：
2013-10-04
