From 'Lab & Light on a Chip' to parallel microflow photochemistry

Oelgemöller, Michael, Hoffmann, Norbert, and Shvydkiv, Oksana (2014) From 'Lab & Light on a Chip' to parallel microflow photochemistry. Australian Journal of Chemistry, 67 (3). pp. 337-342.

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Continuous-flow microreactors offer major advantages for photochemical applications. This mini-review summarizes the technological development of microflow devices in the Applied and Green Photochemistry Group at James Cook University, and its associates, from fixed microchips for microscale synthesis to flexible multicapillary systems for parallel photochemistry. Whereas the enclosed microchip offered high space–time-yields, the open capillary-type reactor showed a greater potential for further modifications. Consequently, a 10-microcapillary reactor was constructed and used successfully for process optimization, reproducibility studies, scale-up, and library synthesis. To demonstrate the superiority of microflow photochemistry over conventional batch processes, the reactors were systematically evaluated using alcohol additions to furanones as model reactions. In all cases, the microreactor systems furnished faster conversions, improved product qualities, and higher yields. UVC-induced [2+2] cycloadditions of furanone with alkenes were exemplarily examined in a capillary reactor, thus proving the broad applicability of this reactor type.

Item ID: 31981
Item Type: Article (Research - C1)
ISSN: 1445-0038
Funders: Environmental Protection Agency (EPA), Department of Environment, Heritage and Local Government (DEHLG), Australian Research Council (ARC)
Projects and Grants: EPA Grant no. 2008-ET-MS-2-S2, DEHLG Grant no. 2008-S- ET-2, ARC DP130100794
Date Deposited: 26 Mar 2014 00:23
FoR Codes: 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030503 Organic Chemical Synthesis @ 50%
03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030504 Organic Green Chemistry @ 20%
03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030505 Physical Organic Chemistry @ 30%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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