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FeCl3-catalyzed dimerization/elimination of 1,1-diarylalkenes: efficient synthesis of functionalized 4H-chromenes

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Abstract

An efficient synthesis of valuable poly-substituted 4H-chromenes was developed via a [4 + 2] cycloaddition followed by the elimination of 1,1-diarylalkenes. The inexpensive FeCl3 salt has proven to be an efficient catalyst for this transformation. The commercial availability of the catalyst and reagents, together with a convenient procedure, makes this an attractive method for 4H-chromene synthesis.

Graphical abstract: FeCl3-catalyzed dimerization/elimination of 1,1-diarylalkenes: efficient synthesis of functionalized 4H-chromenes

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Publication details

The article was received on 29 Nov 2017, accepted on 03 Jan 2018 and first published on 03 Jan 2018


Article type: Communication
DOI: 10.1039/C7OB02941A
Citation: Org. Biomol. Chem., 2018, Advance Article
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    FeCl3-catalyzed dimerization/elimination of 1,1-diarylalkenes: efficient synthesis of functionalized 4H-chromenes

    C. Ma and Y. Zhao, Org. Biomol. Chem., 2018, Advance Article , DOI: 10.1039/C7OB02941A

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