Versatile Oxidative Approach to Carbazoles and Related Compounds Using MoCl5

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• 作者：Simon Trosien ; Philipp B?ttger ; Siegfried R. Waldvogel
• 刊名：Organic Letters
• 出版年：2014
• 出版时间：January 17, 2014
• 年：2014
• 卷：16
• 期：2
• 页码：402-405
• 全文大小：269K
• ISSN：1523-7052

文摘

The unique oxidizing power of molybdenum pentachloride provides an easy to perform, versatile, and high yielding method to construct carbazoles and the corresponding dibenzo analogues of thiophene, furan, and selenophene. The coupling reaction tolerates a variety of functional groups. The synthesis is highly modular. By this approach a precursor for the naturally occurring carbazole koenigicine was prepared.