Photochemical rearrangements of 6/5-fused cross-conjugated cyclohexadienones in protic solvents
Abstract
Irradiation of the ring A unsubstituted 6/5-fused cross-conjugated cyclohexadienone (1a) and its 2-methyl derivative (1b) in methanolic acetic acid yields, in addition to other products, novel tricyclononane derivatives which have been assigned the structures (3a) and (3b).
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