Photosensitized addition of isopropanol to furanones in a continuous-flow dual capillary microreactor

A novel continuous-flow photoreactor with parallel capillaries was constructed and successfully tested for the DMBP-sensitized addition of isopropanol to furanones. Complete conversions were achieved after a maximum of 10min of irradiation with a single 350nm lamp. The results were compared to analo...

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Bibliographic Details
Published in:Tetrahedron letters 2011-01, Vol.52 (2), p.278-280
Main Authors: Yavorskyy, Alexander, Shvydkiv, Oksana, Nolan, Kieran, Hoffmann, Norbert, Oelgemöller, Michael
Format: Article
Language:English
Subjects:
Continuous-flow synthesis
Furanones
Microcapillary
Microreactor
Photoaddition
Photochemistry
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Summary:A novel continuous-flow photoreactor with parallel capillaries was constructed and successfully tested for the DMBP-sensitized addition of isopropanol to furanones. Complete conversions were achieved after a maximum of 10min of irradiation with a single 350nm lamp. The results were compared to analogous batch experiments using a conventional Rayonet chamber reactor equipped with 16 UVA lamps. The capillary tower generally showed higher space-time yields. A novel continuous-flow photoreactor with parallel capillaries was constructed and successfully tested for the DMBP-sensitized addition of isopropanol to furanones. Complete conversions were achieved after a maximum of 10min of irradiation with a single 350nm lamp. The results were compared to analogous batch experiments using a conventional Rayonet chamber reactor equipped with 16 UVA lamps. The capillary tower generally showed higher space-time yields.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2010.11.018