Tetrahedron p. 435 - 438 (1987)
Update date:2022-08-16
Topics:
Brouwer, A. M.
Cornelisse, J.
Jacobs, H. J. C
The UV absorption spectrum of Z-2,5-dimethyl-1,3,5-hexatriene 1 is typical of a cZt triene, but the long wavelength tail indicates the presence of the (minor) cZc rotamer.The sudden change in the photoreactivity of 1 around 290 nm is in agreement with selective excitation of these rotamers.No indication is obtained for an intrinsic excitation energy dependence of the photoreactivity of the individual rotamers.
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