ArticleThe journal of physical chemistry letters2025
Light on Catalytic Reaction Mechanisms: Uncovering the Conformation of Thiourea-Based Organocatalysts and Their Interaction with Nitroolefins Using Mid-infrared Spectroscopy.
Article in The journal of physical chemistry letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Thiourea-based organocatalysts offer a wide variety of benefits over conventional metal-based catalysts; among other things, they are cheap, harmless, and highly enantioselective. At the core of their catalytic activity is the ability to simultaneously coordinate reactants through hydrogen bonds and lower energy barriers. Detailed insight into the structure and conformational heterogeneity of the catalyst together with the coordination of the reactants is thus key to understanding the mechanisms by which organocatalysts perform their function. Here, using the Takemoto organocatalyst and 1-(2-nitroethyl)naphthalene as a prototypical catalyst-reactant system involved in Michael addition reactions, we show that mid-infrared spectroscopy covering the wide spectral range from 650 to 3500 cm
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