Nickel‐Catalyzed Intramolecular Hydrosilylation of Alkynes: Embracing Conventional and Electrochemical Routes

Author:

Reboli Mathias1,Kassamba Seydou1,Durandetti Muriel1ORCID

Affiliation:

1. Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ COBRA UMR 6014 Rouen F-76000 France

Abstract

AbstractNickel‐catalyzed intramolecular hydrosilylation can be efficiently achieved with high regio‐ and stereoselectivities through two distinct methodologies. The first approach utilizes a conventional method, involving the reduction of nickel salt (NiBr2‐2,2’‐bipyridine) using manganese metal. The second method employs a one‐step electrochemical reaction, utilizing the sacrificial anode process and NiBr2bipy catalysis. Both methods yield silylated heterocycles in good to high yields through a synexodig cyclization process. Control experiments and molecular electrochemistry (cyclic voltammetry) provided further insights into the reaction mechanism.

Funder

Université de Rouen

Région Normandie

Institut National des Sciences Appliquées Rouen

Institut de chimie

European Regional Development Fund

XL-Chem Graduate School of Research

Publisher

Wiley

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