Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
A METHOD OF SYNTHESIZING 8-OXOPROTOBERBERINE DERIVATIVES INVOLVING A NOVEL PHOTOARYLATION OF 3-CHLORO-1-ISOQUINOLONES
Chikara Kaneko, Toshihiko Naito, Chiemi Miwa
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Keywords: 3-phenyl-1-isoquinolones
JOURNAL FREE ACCESS

1982 Volume 30 Issue 2 Pages 752-753

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Abstract
The novel photochemical annulation of isoquinoline derivatives to form the 8-oxoprotoberberine derivatives is described. The key step of the reaction is an intramolecular photochemical arylation of 3-chloro-2-phenethyl-1-isoquinolone. The same arylation also proceeds intermolecularly, when 3-chloro-1-isoquinolones are irradiated in benzene.
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© The Pharmaceutical Society of Japan
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