Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest Agriculture and Forestry University, 3 Taicheng Road, Yangling 712100, China.
Org Lett. 2022 Apr 15;24(14):2694-2698. doi: 10.1021/acs.orglett.2c00797. Epub 2022 Apr 1.
A sequential process involving Boc-mediated oxidative dearomatization and inter/intramolecular Diels-Alder reaction was investigated. Based on an intermolecular Diels-Alder reaction and subsequently a radical 7-endo-trig type cyclization, the [6.6.7.5] tetracyclic core of Calyciphylline N was assembled.
研究了一个涉及 Boc 介导的氧化去芳构化和分子内/分子间 Diels-Alder 反应的顺序过程。基于分子间 Diels-Alder 反应,随后是自由基 7-endo-trig 型环化,Calyciphylline N 的[6.6.7.5]四环核心被组装。