Collect. Czech. Chem. Commun. 1983, 48, 2812-2818

Photochemical reactions of phenanthrenequinone and duroquinone with substituted 2(3H)-oxazolones

Stanislav Sekretára, Jan Kopeckýb and Augustin Martvoňc

a Department of Organic Chemistry, 812 37 Bratislava
b Institute of Hygiene and Epidemiology, 100 42 Prague 10
c Research Institute of Pharmaceuticals, 900 01 Modra


9,10-Phenanthrenequinone forms α-oxo-oxetane (VIII) when irradiated with 3-acetyl-2(3H)-oxazolone, and it gives adducts X-XII with 3,4,5-trisubstituted 2(3H)-oxazolones IV-VI. Duroquinone forms spirooxetanes XIII and XIV on photocycloaddition with IV and V.