
Tetrahedron Letters p. 2661 - 2664 (1989)
Update date:2022-08-03
Topics:
Becker, D.
Haddad, N.
Sahali, Y.
For the first time a 1,4-diradical intermediate 10 was trapped in 43percent yield in an intramolecular <2+2> photocycloaddition of olefins to cyclohexenone.The results support the assumption that the first bond is formed to carbon-β of the enone system.
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