A laboratory-scale annular continuous flow reactor for UV photochemistry using excimer lamps for discrete wavelength excitation and its use in a wavelength study of a photodecarboxlyative cyclisation

DeLaney, Erica N. and Lee, Darren S. and Elliott, Luke D. and Jin, Jing and Booker-Milburn, Kevin and Poliakoff, Martyn and George, Michael W. (2016) A laboratory-scale annular continuous flow reactor for UV photochemistry using excimer lamps for discrete wavelength excitation and its use in a wavelength study of a photodecarboxlyative cyclisation. Green Chemistry, 6 (19). pp. 1431-1438. ISSN 1463-9262

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Abstract

This paper describes a new annular reactor for continuous UV photochemistry, which uses easily interchangeable excimer lamps of different wavelengths. The reactor has narrow clearance to form thin films of material for efficient irradiation of molecules. Its use is demonstrated by investigating the effect of discrete wavelength lamps (222, 282 and 308 nm) on the reaction of potassium N-phthalimidobutanoate 1. The ability of the reactor to be integrated into multistep processes is illustrated by combining it with an Amberlyst scavenger and a solid acid catalyst, NbOPO4, to access a second product 3 that is obtained in a single telescoped process. The tricyclic scaffold in 3 is a motif found in several biologically active compounds and has possibilities as a synthon for new pharmaceutical products.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/827229
Schools/Departments: University of Nottingham Ningbo China > Faculty of Science and Engineering > Department of Chemical and Environmental Engineering
University of Nottingham, UK > Faculty of Science > School of Chemistry
Identification Number: https://doi.org/10.1039/C6GC02888H
Depositing User: Bramwell, Roseanna
Date Deposited: 09 Mar 2017 14:03
Last Modified: 04 May 2020 18:20
URI: http://eprints.nottingham.ac.uk/id/eprint/41184

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