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Communication | Regular issue | Vol 22, No. 2, 1984, pp.237-240
Published online, 1st January, 1970
DOI: 10.3987/R-1984-02-0237
Asymmetric Photocyclization of N-α,β-Unsaturated Acylanilides

Takeaki Naito, Yukiko Tada, and Ichiya Ninomiya*

*Kobe Women’s College of Pharmacy, Motoyamakita, Higashinad, Kobe, Hyogo 658, Japan


Photocyclization of the acylanilides (1a and b) and (3a and b) in the presence of a chiral dibasic acid yielded the optically active quinolones (2a and b), (4b), and (5a and b) with optical yields ranging from 12 to 42 %.