- A novel construction of dibenzofuran-1,4-diones by oxidative cyclization of quinone-arenols.
A novel construction of dibenzofuran-1,4-diones by oxidative cyclization of quinone-arenols.
Organic letters (2007-06-22)
Tetsuya Takeya, Hiromu Kondo, Tsuyoshi Otsuka, Kazuho Tomita, Iwao Okamoto, Osamu Tamura
PMID17580881
ABSTRACT
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).
MATERIALS