作者:Bingzi Chen、Xiulin Ye、Qingqi CHEN
DOI:10.1080/00397919808004860
日期:1998.8
Abstract A new route to tetrahydrofurofurane lignans 8 is present, which starts with substituted benzoate following a 7 step syntheses, and is distinctly shorter, more economic and efficient than any of the previous approaches to the target reported in the literature. The key step to establish the first furane ring 2 benefits the remarkable ease of the Diels-Alder reaction of 2,4-diaryloxazole 1 with
摘要 存在一种获得四氢呋喃木脂素 8 的新途径,该途径从取代苯甲酸酯开始,经过 7 步合成,明显比文献中报道的任何以前的目标方法更短、更经济和更有效。建立第一个呋喃环 2 的关键步骤有利于 2,4-二芳基恶唑 1 与 2-丁炔-1,4-二醇二乙酸酯的 Diels-Alder 反应非常容易。