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

We herein report hydrazine-directed, Rh(III) catalyzed (4+2) annulation of -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...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2022-03, Vol.58 (26), p.4211-4214
Main Authors: Prabhakar Ganesh, Pothapragada S K, Muthuraja, Perumal, Gopinath, Purushothaman
Format: Article
Language:English
Subjects:
Catalysis
Chemical reactions
Functional groups
Hydrazines
Molecular Structure
Organic chemistry
Rhodium - chemistry
Selectivity
Substrates
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Summary:We herein report hydrazine-directed, Rh(III) catalyzed (4+2) annulation of -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.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc06353g