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Rh(iii)-Catalyzed C–H activation/annulation of salicylaldehydes with sulfoxonium ylides for the synthesis of chromones

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Abstract

A rhodium(III)-catalyzed C–H activation/annulation of salicylaldehydes with sulfoxonium ylides has been developed for the formation of 2-substituted chromones in good yields with broad functional group tolerance. The utility of this strategy was showcased by the late-stage modification of some biologically active molecules. Moreover, structurally diverse 2,3-disubstituted chromones were also constructed by the C3 C–H functionalization reactions.

Graphical abstract: Rh(iii)-Catalyzed C–H activation/annulation of salicylaldehydes with sulfoxonium ylides for the synthesis of chromones

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Publication details

The article was received on 30 Jun 2019, accepted on 18 Sep 2019 and first published on 19 Sep 2019


Article type: Research Article
DOI: 10.1039/C9QO00830F
Org. Chem. Front., 2019, Advance Article

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    Rh(III)-Catalyzed C–H activation/annulation of salicylaldehydes with sulfoxonium ylides for the synthesis of chromones

    L. Cai, X. Zhu, J. Chen, A. Lin and H. Yao, Org. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QO00830F

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