Tetrahedron Letters p. 2211 - 2214 (1991)
Update date:2022-08-11
Topics:
Adam, Waldemar
Finzel, Ralf
Kita, Fumio
While the triplet-sensitized photolysis of the bicyclicazoalkanes 1 led on denitrogenation to the corresponding bicycloalkanes 2, the laser/liquid jet photochemistry gave additionally also the cyclopentenes 3 by hydrogen 1,2-shift; the amount of the latter increased with increasing lifetime of the intermediary cyclopentadiyl triplet diradicals 4, which suggests that two-photon chemistry may operate.
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