Recent advances in amine catalyzed aldol condensations

B Biesemans, J De Clercq, CV Stevens… - Catalysis …, 2024 - Taylor & Francis
During the past two decades, new insights have driven the development and optimization of
aminated materials as aldol condensation catalysts. Amines, either primary or secondary …

Investigating the impact of micropore volume of aminosilica functionalized SBA-15 on catalytic activity for amine-catalyzed reactions

N Deshpande, JY Chen, T Kobayashi, EH Cho… - Journal of …, 2022 - Elsevier
Mesoporous materials such as SBA-15 are used in many applications since the materials
are robust and have tunable properties. Whereas these materials are thought to be ideal, the …

Investigating the impact of microporosity of aminosilica catalysts in aldol condensation reactions for biomass upgrading of 5-hydroxymethylfurfural and furfuraldehyde …

JY Chen, NA Brunelli - Energy & Fuels, 2021 - ACS Publications
Upgrading biomass to chemicals and fuels requires development of highly active and
selective catalytic materials for important reactions such as the aldol condensation. The …

Amine-functionalized nanoporous silica monoliths for heterogeneous catalysis of the knoevenagel condensation in flow

K Turke, R Meinusch, P Cop, E Prates da Costa… - ACS …, 2020 - ACS Publications
Porous carrier materials functionalized with organocatalysts offer substantial advantages
compared to homogeneous catalysts, eg, easy separation of the catalyst, scalability, and an …

Evaluating the Activity of Heterogeneous Tertiary Amine Catalysts for Glucose Isomerization to Fructose by Tuning Catalyst, Support, and Reaction Conditions

P Neff, EH Cho, T Kobayashi… - Industrial & …, 2025 - ACS Publications
Glucose isomerization to fructose is a critical reaction for biomass upgrading that can be
selectively catalyzed by using heterogeneous, amine-functionalized silica materials …

Quantifying the fraction and activity of catalytic sites at different surface densities of aminosilanes in SBA-15 for the aldol reaction and condensation

JY Chen, H Pineault, NA Brunelli - Journal of Catalysis, 2022 - Elsevier
The complexity of aminosilica materials manifests as catalysts with multiple types of active
sites. Whereas previous work has assumed that each site contributes equally to the …

Evaluating the per site activity of common mesoporous materials as supports for aminosilica catalysts for the aldol reaction and condensation

M Brizes, JY Chen, H Pineault, NA Brunelli - Applied Catalysis A: General, 2023 - Elsevier
Mesoporous silicas are regarded as ideal systems; however, they are complex. The
materials can be functionalized with aminosilanes to produce highly active catalysts for aldol …

[HTML][HTML] Evolution of the different types of catalytic sites in aminosilica materials during recycle experiments in aldol chemistry

JY Chen, NA Brunelli - Journal of Catalysis, 2024 - Elsevier
Aminosilica materials are promising for many applications, including as a catalyst for aldol
chemistry. Whereas aminosilica catalysts are known to deactivate overtime, it is unclear how …

Cooperative catalytic enhancements of reactions catalyzed by mesoporous materials

JY Chen, A Kane, NA Brunelli - 2022 - books.rsc.org
Cooperative catalytic materials are high performance materials that enable energy efficient
and atom economic reactions under mild conditions. These materials use two distinct …

Evaluating the impact of the structure for common mesoporous aminosilica materials on the catalytic activity for the aldol reaction and condensation

MC Brizes - 2022 - rave.ohiolink.edu
Mesoporous silica materials have been regarded as simple and ideal systems; however,
they are complex. The most common mesoporous materials are MCM-41 and SBA-15 …