Volume 64, Issue 24 e202504494
Research Article

Ligand-Controlled Regiodivergent Carbosilylation of 1,3-Dienes via Nickel-Catalyzed Three-Component Coupling Reactions

Shan Jiang

Shan Jiang

State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071 China

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Tianze Zhang

Tianze Zhang

State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071 China

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Xiao-Yuan Luo

Xiao-Yuan Luo

State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071 China

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Shoucheng Dong

Shoucheng Dong

State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071 China

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Jin-Tao Ma

Jin-Tao Ma

State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071 China

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Li-Jun Xiao

Corresponding Author

Li-Jun Xiao

State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071 China

E-mail: [email protected]

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First published: 03 April 2025
Citations: 1

Graphical Abstract

A regiodivergent nickel-catalyzed carbosilylation of 1,3-dienes using aldehydes and silylboranes has been developed, with ligand control influencing the reaction pathway. The employment of triethylphosphine promotes 4,3-addition selectivity, whereas using (2-biphenyl)dicyclohexylphosphine leads to 4,1-addition selectivity.

Abstract

The regiodivergent carbosilylation of 1,3-dienes presents a formidable challenge due to inherently complex selectivity control over multiple potential reaction pathways. Here, we report a ligand-controlled, regiodivergent carbosilylation of 1,3-dienes with aldehydes and silylboranes, achieving unprecedented site-selectivity using nickel catalysts with distinct phosphine ligands. The use of triethylphosphine promotes 4,3-addition selectivity, while employing (2-biphenyl)dicyclohexylphosphine facilitates 4,1-addition selectivity. This method displays excellent regio- and diastereoselectivity, as well as a broad substrate scope and substantial functional group tolerance. Mechanistic studies indicate that the ligand choice is crucial for directing the reaction pathway and stabilizing π-allyl-nickel intermediates. Our protocol provides a practical and efficient approach to synthesizing valuable functionalized allylsilanes, which are important in various synthetic applications.

Conflict of Interests

The authors declare no conflict of interest.

Data Availability Statement

The data that support the findings of this study are available in the Supporting Information of this article.

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