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Updated: Jun 25, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
Palladium-catalyzed C-H bond functionalization with arylsulfonyl chlorides
Xiaodan Zhao1, Elena Dimitrijević, Vy M Dong
1Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6.
Arylsulfonyl chlorides are introduced as versatile reagents for C-H bond functionalization. This study presents a novel palladium-catalyzed synthesis of arylsulfones via C-H activation and C-S bond formation.
Area of Science:
- Organic Synthesis
- Catalysis
- Methodology Development
Background:
- Selective C-H bond functionalization is crucial for efficient synthesis.
- Developing versatile reagents for C-H activation remains a challenge.
Purpose of the Study:
- To discover new reagents for C-H bond functionalization.
- To develop a novel palladium-catalyzed synthesis of arylsulfones.
Main Methods:
- Palladium-catalyzed C-H activation/functionalization.
- Utilizing arylsulfonyl chlorides as reagents and oxidants.
Main Results:
- Arylsulfonyl chlorides were identified as effective reagents for C-H functionalization.
- A novel Pd-catalyzed synthesis of arylsulfones via C-H activation and C-S bond formation was achieved.
- Reaction conditions allowed for Pd-catalyzed C-Cl and C-C bond formation.
Conclusions:
- Arylsulfonyl chlorides offer a versatile and cost-effective approach to C-H functionalization.
- The developed methodology enables efficient synthesis of arylsulfones.
- The study demonstrates the adaptability of arylsulfonyl chlorides for various bond formations.
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