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Author

A. Dobrynin

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Open access Oct 2026

Divergent Reactions of Coumarin- and 7-Azacoumarin-3-Carboxylic Acids with Azomethine Ylides: Spirocyclization and Ring Expansion

A series of new spiro-fused polycyclic systems has been synthesized via cascade reactions of 7-azacoumarin-3-carboxylic acid and coumarin-3-carboxylic acid derivatives with azomethine ylides generated in situ from L-proline or sarcosine and various carbonyl components (ninhydrin, aceanthrenequinone, isatin, and substit...

A. Trifonov, N. Appazov, L. Kibardina et al. · 0 citations

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