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A hydrazine-directed Rh(iii) catalyzed (4+2) annulation with sulfoxonium ylides: synthesis and photophysical properties of dihydrocinnolines†
Pothapragada S. K. Prabhakar Ganesh,Perumal Muthuraja,Purushothaman Gopinath
Chemical Communications Pub Date : 03/03/2022 00:00:00 , DOI:10.1039/D1CC06353G
Abstract

We herein report hydrazine-directed, Rh(III) catalyzed (4+2) annulation of N-alkyl aryl hydrazines with sulfoxonium ylides as a safe carbene precursor. The reaction shows excellent functional group tolerance with broad substrate scope, scalability and site selectivity. Finally, photophysical studies indicated that some of these compounds have interesting fluorescence properties.

Graphical abstract: A hydrazine-directed Rh(iii) catalyzed (4+2) annulation with sulfoxonium ylides: synthesis and photophysical properties of dihydrocinnolines
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