Rh(iii)-Catalyzed C–H activation/annulation of salicylaldehydes with sulfoxonium ylides for the synthesis of chromones
Literature Information
Publication Date
2019-09-19
DOI
10.1039/C9QO00830F
Impact Factor
5.281
Authors
Libo Cai, Xiaoyi Zhu, Jiayi Chen, Aijun Lin, Hequan Yao
View Original
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.
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Recommended Compounds
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lohepta[1,2-a]naphthalen-5-one structure](https://static.chemtradehub.com/structs/538/53800-21-8-9f18.webp "(3R,4aR,7aS,9aR,10S,11R,13aR,13bS,15aS,15bR)-3,11-Dihydroxy-10-(hydroxymethyl)-4,4,7a,10,13a,15b-hexamethyl-1,2,3,4,4a,7,7a,8,9,9a,10,11,12,13,13a,13b,14,15,15a,15b-icosahydro-5H-naphtho[2',1':4,5]cyc
lohepta[1,2-a]naphthalen-5-one structure")
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