Introducing Catalysis to Undergraduate Chemistry Students: Testing a Ru–NHC Complex in the Selective Dehydrogenative Coupling of Hydrosilanes and Alcohols

This work describes a complete laboratory experiment that involves the synthesis of a ruthenium complex [Ru­(p-cym)­(NHC)­Cl2] (NHC = N-heterocyclic carbene) and its use as a catalyst for the coupling of hydrosilanes and alcohols. The hydrogen gas produced in the reaction is measured using an invert...

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Bibliographic Details
Published in:Journal of chemical education 2021-08, Vol.98 (8), p.2638-2642
Main Authors: Mollar-Cuni, Andrés, Mejuto, Carmen, Ventura-Espinosa, David, Borja, Pilar, Mata, Jose A.
Format: Article
Language:English
Subjects:
Alcohols
Catalysis
Chemistry
College Science
College students
Coupling
Dehydrogenation
Experiments
Fundamental Concepts
Laboratory Experiments
Organometallic compounds
Ruthenium
Ruthenium compounds
Science education
Science Instruction
Science Process Skills
Undergraduate Students
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Summary:This work describes a complete laboratory experiment that involves the synthesis of a ruthenium complex [Ru­(p-cym)­(NHC)­Cl2] (NHC = N-heterocyclic carbene) and its use as a catalyst for the coupling of hydrosilanes and alcohols. The hydrogen gas produced in the reaction is measured using an inverted buret to trap the gas which allows student to monitor the evolution of the reaction. The complete experience constitutes an opportunity to focus on experimental skills and fundamental concepts in organometallic chemistry and catalysis.
ISSN:0021-9584
1938-1328
DOI:10.1021/acs.jchemed.1c00032