A Novel Construction of Dibenzofuran-1,4-diones by Oxidative Cyclization of Quinone-arenols
作者:Tetsuya Takeya、Hiromu Kondo、Tsuyoshi Otsuka、Kazuho Tomita、Iwao Okamoto、Osamu Tamura
DOI:10.1021/ol070951i
日期:2007.7.1
A novel oxidative cyclization of quinone-arenols 5 leading to products 6 with a dibenzofuran-1,4-dione structure, which forms the core of several natural products, has been developed and applied to the synthesis of violet-quinone 4.