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Communication | Special issue | Vol 11, No. 1, 1978, pp.83-91
Published online, 1st January, 1970
DOI: 10.3987/S(N)-1978-01-0083
Photoinduced Oxirane-clevage of a Conjugated ε,ζ -Epoxydienone

Veronica Scherrer, Hans Richard Wolf, und Oskar Jeger*

*Laboratorium für Organische Chemi der Eidg, Technischen Hochschule, 8092 Zürich, Switzerland


On UV. — irradiation the conjugated epoxydienone 2 undergoes oxirane-cleavage by scission of the C,O or C,C-bond and forms the isomeric products 9 - 12. Thus evidence is given that dienones can react via photoinduced β-cleavages. In competition to these processes E/Z-isomerization and dimerization of the dienone moiety of 2 is observed (214,15 and 216).