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Near-infrared imaging to quantify the diffusion coefficient of sodium pentaborate aqueous solution in a microchannel. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.117630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Di Carmine G, Pesciaioli F, Wang S, Sinibaldi A, Giorgianni G, Parlett CMA, Carlone A, D'Agostino C. Insights into substituent effects of benzaldehyde derivatives in a heterogenous organocatalyzed aldol reaction. ChemCatChem 2022. [DOI: 10.1002/cctc.202200405] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Graziano Di Carmine
- University of Ferrara: Universita degli Studi di Ferrara Dipartimento di Scienze Chimiche, Farmaceutiche ed Agrarie ITALY
| | - Fabio Pesciaioli
- University of Aquila: Universita degli Studi dell'Aquila Dipartimento di Scienze Fisiche e Chimiche ITALY
| | | | - Arianna Sinibaldi
- University of Aquila: Universita degli Studi dell'Aquila Dipartimento di Scienze Fisiche e Chimiche ITALY
| | - Giuliana Giorgianni
- University of Aquila: Universita degli Studi dell'Aquila Dipartimento di Scienze Fisiche e Chimiche ITALY
| | | | - Armando Carlone
- University of Aquila: Universita degli Studi dell'Aquila Dipartimento di Scienze Fisiche e Chimiche ITALY
| | - Carmine D'Agostino
- The University of Manchester School Chemical Engineering and Analytical Science The MillSackville Street M13 9PL Manchester UNITED KINGDOM
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Di Carmine G, Forster L, Wang S, Parlett C, Carlone A, D'Agostino C. NMR relaxation time measurements of solvent effects in an organocatalysed asymmetric aldol reaction over silica SBA-15 supported proline. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00471a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The behaviour of solvents in solid-supported proline organocatalysts is explored using NMR relaxation measurements coupled with reaction screening. Solvents with a lower affinity for the solid surface lead to a higher reactivity.
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Affiliation(s)
- Graziano Di Carmine
- Department of Chemical, Pharmaceutical and Agricultural Sciences (DOCPAS), University of Ferrara, Via Luigi Borsari 46, I-44121, Ferrara, Italy
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
| | - Luke Forster
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
| | - Simeng Wang
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
| | - Christopher Parlett
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
- Diamond Light Source, Harwell Science and Innovation Campus, OX11 0DE, Didcot, Oxfordshire, UK
- The University of Manchester at Harwell, Harwell Science and Innovation Campus, OX11 0DE, Didcot, Oxfordshire, UK
- Catalysis Hub, Research Complex at Harwell, Rutherford Appleton Laboratory, OX11 0FA, Harwell, Oxfordshire, UK
| | - Armando Carlone
- Department of Physical and Chemical Sciences, Università degli Studi dell'Aquila, Via Vetoio, 67100 L'Aquila, Italy
| | - Carmine D'Agostino
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
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