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Chapter
Hydrosilylation Catalysis for One-Pot Synthesis
One-pot synthesis, including the hydrosilylation of alkenes, alkynes, carbonyl compounds, CO2, and other molecules, enables the facile synthesis of final products with high efficiency. This chapter describes rece...
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Article
Open AccessCO2 conversion to formamide using a fluoride catalyst and metallic silicon as a reducing agent
Metallic silicon could be an inexpensive, alternative reducing agent for CO2 functionalization compared to conventionally used hydrogen or hydrosilanes. Here, metallic silicon recovered from solar panel productio...
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Article
Open AccessProbing the temperature of supported platinum nanoparticles under microwave irradiation by in situ and operando XAFS
Microwave irradiation can cause high local temperatures at supported metal nanoparticles, which can enhance reaction rates. Here we discuss the temperature of platinum nanoparticles on γ-Al2O3 and SiO2 supports u...
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Article
Open AccessOrganic bases catalyze the synthesis of urea from ammonium salts derived from recovered environmental ammonia
Ammonia from sewage and livestock manure is a major environmental pollutant. To consume environmental ammonia, we investigated the organic base-catalyzed synthesis of urea. 1,8-Diazabicyclo[5.4.0]undec-7-ene (...
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Article
Variable-Temperature XAFS Analysis of SiO2-Supported Pd–Bisphosphine Complexes With/Without Co-immobilized Organic Functionality
Variable-temperature Pd K-edge X-ray absorption fine structure analysis of SiO2-supported Pd complexes with and without a co-immobilized organic functionality was conducted. Both samples maintained their coordina...
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Article
Zinc-Accelerated Cycloaddition of Carbon Dioxide to Styrene Oxide Catalyzed by Pyrrolidinopyridinium Iodides
The addition of ZnI2 drastically accelerated the cycloaddition of carbon dioxide to styrene oxide catalyzed by pyrrolidinopyridinium iodides. In the presence of ZnI2, the styrene carbonate yield reached up to 89 ...
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Article
The substrate binding cavity of particulate methane monooxygenase from Methylosinus trichosporium OB3b expresses high enantioselectivity for n-butane and n-pentane oxidation to 2-alcohol
The particulate methane monooxygenase (pMMO) of Methylosinus trichosporium OB3b oxidized n-butane and n-pentane and mainly produced (R)-2-butanol and (R)-2-pentanol that comprised 78 and 89% of the product, respe...
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Article
Michael Reactions Catalyzed by Basic Alkylamines and Dialkylaminopyridine Immobilized on Acidic Silica–Alumina Surfaces
Acid–base bifunctional catalysts were prepared by immobilization of basic amines on acidic silica–alumina (SA) surfaces. Silane-coupling reagents with various amino-functional groups, such as primary, secondar...
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Article
Hydrotalcite-bound ruthenium as a multifunctional heterogeneous catalyst for one-pot synthesis of α-alkylated nitriles and quinolines
This article reviews our recent progress in one-pot syntheses of α-alkylated nitriles and quinolines by heterogeneous catalysis with hydrotalcite-bound ruthenium based on cooperative action between cationic Ru...
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Article
Conceptual Integration of Homogeneous and Heterogeneous Catalyses
This article illustrates how bifunctional catalyst surfaces are created by modifying oxide surfaces with organic functional groups and/or with metal complexes, summarizing our previous reports and also present...
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Article
Highly efficient heterogeneous acylations of aromatic compounds with acid anhydrides and carboxylic acids by montmorillonite-enwrapped titanium as a solid acid catalyst
Montmorillonite-enwrapped titanium hydroxide species (Ti4+-mont) acted as a highly efficient heterogeneous acid catalyst for the acylation of aromatic compounds with acid anhydrides or carboxylic acids. The catal...
