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Issue 44, 2019
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A Sc(OTf)3 catalyzed dehydrogenative reaction of electron-rich (hetero)aryl nucleophiles with 9-aryl-fluoren-9-ols

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Abstract

A highly efficient dehydrogenative reaction of a series of nucleophiles with 9-aryl-fluoren-9-ols has been realized by using only 2 mol% of Sc(OTf)3 as a catalyst. The corresponding indole-containing 9,9-diarylfluorenes were obtained in up to 99% yield as well as other electron-rich (hetero)arene adducts. The protocol exhibits high selectivity, mild reaction conditions and good substrate compatibility (32 examples). This protocol is further highlighted by its applications in the construction of potential electroluminescent materials.

Graphical abstract: A Sc(OTf)3 catalyzed dehydrogenative reaction of electron-rich (hetero)aryl nucleophiles with 9-aryl-fluoren-9-ols

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Publication details

The article was received on 03 Oct 2019, accepted on 22 Oct 2019 and first published on 23 Oct 2019


Article type: Paper
DOI: 10.1039/C9OB02138H
Org. Biomol. Chem., 2019,17, 9615-9619

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    A Sc(OTf)3 catalyzed dehydrogenative reaction of electron-rich (hetero)aryl nucleophiles with 9-aryl-fluoren-9-ols

    C. Zhou, C. Hu, G. Hong, Y. He, Z. Tang and L. Wang, Org. Biomol. Chem., 2019, 17, 9615
    DOI: 10.1039/C9OB02138H

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