Authors:
Yuto Mifune Tokyo Institute of Technology Department of Applied Chemistry 2-12-1, Ookayama, Meguro-ku Tokyo 152-8552 Japan

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Shinichiro Fuse Tokyo Institute of Technology Department of Applied Chemistry 2-12-1, Ookayama, Meguro-ku Tokyo 152-8552 Japan

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Hiroshi Tanaka Tokyo Institute of Technology Department of Applied Chemistry 2-12-1, Ookayama, Meguro-ku Tokyo 152-8552 Japan

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In this study, two practical and scalable procedures were developed for the synthesis of N-arylacetyl oxazolidinone, which is an intermediate for the preparation of N-allyloxylcarbonyl 3,5-dihydroxyphenylglycine. The key sequence in the developed procedures was a photochemical Wolff rearrangement–nucleophilic addition in a micro-flow reactor. A power-saving, inexpensive, and readily available light source (4-W portable ultraviolet [UV] lamp) along with a fluorinated ethylene propylene copolymer (FEP) tube was employed in the developed procedures. The first-generation procedure afforded the desired N-arylacetyl oxazolidinone in the highest yield. The yield was lower in the second-generation procedure, but it afforded pure N-arylacetyl oxazolidinone without column chromatographic purification. The use of the two parallel channel tube reactors enabled the gram-scale preparation of N-arylacetyl oxazolidinone. N-Allyloxylcarbonyl 3,5-dihydroxyphenylglycine was successfully prepared via the second-generation procedure.

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Journal of Flow Chemistry
Language English
Size A4
Year of
Foundation
2011
Volumes
per Year
1
Issues
per Year
4
Founder Áramlásos Kémiai Tudományos Társaság
Founder's
Address
H-1031 Budapest, Hungary Záhony utca 7.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 2062-249X (Print)
ISSN 2063-0212 (Online)