Blue‐Light Enhanced Iron Catalysed Hydrosilylation of Carboxamides and Carboxylic Esters at Ambient Conditions

Author:

Zhang Qingxin1,Darcel Christophe1ORCID

Affiliation:

1. Univ. Rennes CNRS, ISCR UMR 6226 F-35000 Rennes France

Abstract

AbstractWe report herein a blue‐light‐promoted iron‐catalyzed reduction of carboxamides and carboxylic esters. Conducting the reaction under hydrosilylation conditions and blue light (2×24 W, 450–460 nm) in the presence of an iron(0) based pre‐catalyst, Fe(CO)4(IMes), amines and alcohols were obtained, respectively, notably at ambient conditions, whereas using white light, higher reaction temperatures up to 100 °C were required. Preliminary mechanism studies highlighted the crucial role of blue light not only to generate the catalytic active species, but also in some steps of the catalytic cycle.

Funder

China Scholarship Council

Publisher

Wiley

Reference108 articles.

1. For special issues on photochemistry and photoredox catalysis in organic synthesis:

2. Acc. Chem. Res.2016 49 2059–2060 2261–2327;

3. Introduction: Photochemistry in Organic Synthesis

4. For representative reviews on reactions involving photo-catalysts see:

5. Shining Light on Photoredox Catalysis: Theory and Synthetic Applications

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