Ketyl Radical Generation by Photoexcited Palladium and Development of Organopalladium-Type Reactions,ACS Catalysis

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Ketyl Radical Generation by Photoexcited Palladium and Development of Organopalladium-Type Reactions
ACS Catalysis ( IF 11.3 ) Pub Date : 2024-03-25 , DOI: 10.1021/acscatal.4c00510
Kosaku Tanaka ₁

Affiliation

Enabling reactions of traditional substrates that are inert to Pd catalysts has the potential for further advancements in the field of Pd chemistry. In this study, we developed a method for generating ketyl radicals through the reaction of a photoexcited Pd species with ketones. Upon subsequent reaction with olefins, the ketyl radicals generated through this method yielded Pd-specific reductive and Heck-type coupling products. Mechanistic studies indicated that the proposed radical generation method exhibits characteristics distinct from those of traditional methods such as SmI₂ reduction and photoredox-catalyzed reactions.

中文翻译：

光激发钯产生酮基自由基及有机钯型反应的发展

使对钯催化剂呈惰性的传统基质发生反应具有在钯化学领域进一步发展的潜力。在这项研究中，我们开发了一种通过光激发的钯物质与酮反应产生羰基自由基的方法。随后与烯烃反应时，通过该方法产生的羰基自由基产生了 Pd 特异性还原和 Heck 型偶联产物。机理研究表明，所提出的自由基生成方法表现出与SmI ₂还原和光氧化还原催化反应等传统方法不同的特征。

更新日期：2024-03-25

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