Photoisomerization of 2-(Hept-6-enyl)cyclopent-12-enones to Tricyclo[7.3.0.0]dodecan-12-ones

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Rolf Christoph Gebel and Paul Margaretha


Abstract

On irradiation (λ>340 nm), the newly synthesized 2-(hept-6-enyl)cyclopent-2-enones 1 and 2 isomerize selectively to the straight cycloadducts (tricyclo[7.3.0.0{???}]dodecan-12-ones) 10 and 11, respectively.


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