New synthesis of carbazole-1,4-quinone using a tandem ring-closing metathesis and dehydrogenation reaction under oxygen atmosphere, and its application to the synthesis of murrayaquinone A

✍ Scribed by Takashi Nishiyama; Tominari Choshi; Kohdai Kitano; Satoshi Hibino

• Publisher: Elsevier Science
• Year: 2011
• Tongue: French
• Weight: 667 KB
• Volume: 52
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/j.tetlet.2011.05.066

✦ Synopsis

A tandem ring-closing metathesis and dehydrogenation reaction under oxygen atmosphere was newly developed to the synthesis of carbazole-1,4-quinones. This new tandem reaction was applied to the synthesis of murrayaquinone A in four steps.