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Issue 16, 2018
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Gold(i)- and rhodium(iii)-catalyzed formal regiodivergent C–H alkynylation of 1-arylpyrazolones

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Abstract

Formal regiodivergent C–H alkynylation of 1-aryl-5-pyrazolones has been realized under the catalysis of Rh(III) and Au(I) complexes by using a hypervalent iodine reagent as the alkyne source. Mechanistic studies indicate that the regioselectivity is ascribed to not only the choice of the catalyst but also the nature of the substrate. The substrate scope and functional group compatibility have been fully examined.

Graphical abstract: Gold(i)- and rhodium(iii)-catalyzed formal regiodivergent C–H alkynylation of 1-arylpyrazolones

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Article information


Submitted
08 Mar 2018
Accepted
29 Mar 2018
First published
04 Apr 2018

Org. Biomol. Chem., 2018,16, 2860-2864
Article type
Communication

Gold(I)- and rhodium(III)-catalyzed formal regiodivergent C–H alkynylation of 1-arylpyrazolones

X. Wang, X. Li, Y. Zhang and L. Xia, Org. Biomol. Chem., 2018, 16, 2860
DOI: 10.1039/C8OB00585K

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