What does this research mean for the field?

Palladium-catalyzed β-C(sp 3 )-H functionalization enables the chemoselective oxidation of inert β-C(sp 3 )-H bonds to aldehydes. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to establish a general strategy for forming carbonyl bonds through β-C(sp3)–H functionalization.

February 25, 2026Organic Letters2 citations

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Direct β-C(sp 3 )–H Functionalization to Carbonyls: A Route to Aldehydic Acid Derivatives

KKKoneti KondalaraoUniversity of Hyderabad MPMatteda PriyankaUniversity of Hyderabad ASAkhila K. SahooUniversity of Hyderabad

Key Points

The aim is to establish a general strategy for forming carbonyl bonds through β-C(sp3)–H functionalization.
Palladium-catalyzed reactions using sulfoximine as a directing group.
Utilization of 2-nitro-iodylbenzene as an oxidant.
Focus on chemoselective oxidation of β-C(sp3)–H bonds to aldehydes.
Assessment of functional group tolerance in the reactions.
Successful formation of aldehydes with high selectivity.
Demonstrated broad tolerance for different functional groups.
Showed that the cooperative effect of the directing group and ligand enhances selectivity.

Abstract

We describe a general strategy for C═O bond formation through palladium-catalyzed β-C(sp3)-H functionalization using sulfoximine as a neutral directing group. This method enables chemoselective oxidation of inert β-C(sp3)-H bonds to aldehydes with 2-nitro-iodylbenzene as an exclusive oxidant and oxygen source. The cooperative effect of the directing group and ligand ensures high selectivity. This strategy exhibits broad functional group tolerance and can be used to advance complex molecule development.

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Direct β-C(sp 3 )–H Functionalization to Carbonyls: A Route to Aldehydic Acid Derivatives

Key Points

Abstract

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