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Photosensitized Asymmetric Isomerization and Cycloaddition of Cycloalkenes and Cycloalkadienes
Oelgemoller, Michael,Inoue, Yoshihisa Korean Society of Photoscience 2003 Journal of Photosciences Vol.10 No.1
Recent advances in photosensitized enantiodifferentiating isomerization and cycloaddition reactions of cycloalkenes (other than cyclooctene) and cycloalkadienes are reviewed.
Aida, Shin,Nishiyama, Yasuhiro,Kakiuchi, Kiyomi,Hoffmann, Norbert,Fon, Adeline,Oelgemoller, Michael Korean Society of Photoscience 2013 Rapid communication in photoscience Vol.2 No.3
Acetone sensitized photoadditions of isopropanol to (5R)-5-menthyloxy-2-(5H)-furanone were investigated in two different microflow reactor systems. Setup A employed a commercially available glass reactor under a UVB-panel. Setup B utilized a FEP microcapillary wrapped tightly around a Pyrex cylinder with a single UVB fluorescent tube at its center. The reactions under flow conditions were subsequently compared to analogue reactions conducted in a batch chamber reactor. Overall, the microflow systems gave faster conversions and higher isolated yields. The flexible microcapillary setup, however, showed the best performance and promise in terms of future scale-up and reactor optimization.