SCHEDULED MAINTENANCE
Irradiation of some 9-arylbicyclo[3.3.1]nona-3,7-diene-2,6-diones gives triasteranediones by successive 1,2-acyl migrations and 6-arylbicyclo[3.3.1]nona-3,7-diene-2,9-diones by 1,3-rearrangement. Emission, photosensitisation, and quenching studies show that both photorearrangements are triplet-derived, and these results are contrasted with other studies of βγ-unsaturated ketones.
C. Lam and J. M. Mellor, J. Chem. Soc., Perkin Trans. 2, 1974, 865 DOI: 10.1039/P29740000865
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