Simon R. Dawson
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View article: Influence of Surface Functionalities on Au/C Catalysts for Oxidative Homocoupling of Phenylboronic Acid
Influence of Surface Functionalities on Au/C Catalysts for Oxidative Homocoupling of Phenylboronic Acid Open
The formation of C–C bonds through coupling reactions is an important industrial process. The ability of Au to catalyze such reactions has been reported, with both homogeneous and heterogeneous catalyst examples. Previous work has shown th…
View article: Industrial implementation of an inline near infrared process control system for the production of caramel
Industrial implementation of an inline near infrared process control system for the production of caramel Open
This paper describes the implementation of inline near infrared spectroscopy measurements to determine the key quality attributes of caramel in an industrial manufacturing process. The current control strategy is based around offline sampl…
View article: Lowering the Operating Temperature of Gold Acetylene Hydrochlorination Catalysts Using Oxidized Carbon Supports
Lowering the Operating Temperature of Gold Acetylene Hydrochlorination Catalysts Using Oxidized Carbon Supports Open
The commercialization of gold for acetylene hydrochlorination represents a major scientific landmark. The development of second-generation gold catalysts continues with a focus on derivatives and drop-in replacements with higher activity a…
View article: Sulfur Promotion in Au/C Catalyzed Acetylene Hydrochlorination
Sulfur Promotion in Au/C Catalyzed Acetylene Hydrochlorination Open
The formation of highly active and stable acetylene hydrochlorination catalysts is of great industrial importance. The successful replacement of the highly toxic mercuric chloride catalyst with gold has led to a flurry of research in this …
View article: Can Gold be an Effective Catalyst for the Deacon Reaction?
Can Gold be an Effective Catalyst for the Deacon Reaction? Open
The Deacon reaction is an important industrial process for the oxidation of hydrogen chloride, thereby enabling chlorine to be recycled. As gold is an efficient catalyst for reactions involving hydrogen chloride and oxygen, we have studied…
View article: Facile synthesis of precious-metal single-site catalysts using organic solvents
Facile synthesis of precious-metal single-site catalysts using organic solvents Open
Single site catalysts can present high activity and selectivity in many catalytic reactions. The synthesis of these materials by impregnation from strongly oxidising aqueous solutions or pH-controlled deposition often leads to low metal lo…
View article: Acetylene hydrochlorination using gold catalysts
Acetylene hydrochlorination using gold catalysts Open
The use of different solvents and modified carbon supports was investigated to determine their effect on the catalytic activity of gold on carbon catalysts for the hydrochlorination of acetylene.
\nBy changing the solvent from that of high…
View article: Homocoupling of Phenylboronic Acid using Atomically Dispersed Gold on Carbon Catalysts: Catalyst Evolution Before Reaction
Homocoupling of Phenylboronic Acid using Atomically Dispersed Gold on Carbon Catalysts: Catalyst Evolution Before Reaction Open
Coupling reactions to form new C−C bonds are extensively used in industrial synthetic processes. Gold has been shown to be an active catalyst for such reactions; however, conflicting reports exist as to whether cationic Au or metallic Au a…
View article: Identification of single-site gold catalysis in acetylene hydrochlorination
Identification of single-site gold catalysis in acetylene hydrochlorination Open
Gold-on-carbon catalysts are analogs of homogeneous gold catalysts that use a redox couple of Au(I) and Au(III) species.
View article: Supported bimetallic nano-alloys as highly active catalysts for the one-pot tandem synthesis of imines and secondary amines from nitrobenzene and alcohols
Supported bimetallic nano-alloys as highly active catalysts for the one-pot tandem synthesis of imines and secondary amines from nitrobenzene and alcohols Open
All-in-one: supported nanoalloys as efficient heterogeneous catalysts for the one-pot synthesis of imines and secondary amines directly from nitrobenzene and benzylic alcohols using a hydrogen auto transfer strategy.