Synthesis of Unsymmetrical α,α-Diarylacetates

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• 作者：Santosh D. Jadhav ; Anand Singh
• 刊名：Journal of Organic Chemistry
• 出版年：2016
• 出版时间：January 15, 2016
• 年：2016
• 卷：81
• 期：2
• 页码：522-531
• 全文大小：839K
• ISSN：1520-6904

文摘

Ethyl bromofluoroacetate has been developed as a precursor for the convenient synthesis of unsymmetrical α,α-diarylacetates featuring indoles, anilines, and other electron-rich aromatics. In conjunction with a mild Lewis acid catalyzed C–N → C–C exchange, intermediate arylglycines can be synthesized and transformed into α,α-diarylacetates in a one-pot protocol, resulting in a net diarylation reaction exhibiting a wide scope. In the context of diarylacetates, the synthetic equivalence of the fluorinated reagent with α-nitro-α-diazo carbonyls was established.