Photoreactivity of conjugated bichromophoric molecules; an unusual dimerization of o-vinylbenzaldehyde
- 1 January 1993
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 24,p. 1828-1829
- https://doi.org/10.1039/c39930001828
Abstract
Irradiation of o-vinylbenzaldehyde 1a affords the oxygen-bridged dimer 7a, presumably, through an initial [π2 a+π4 s] rearrangement; intermediacy of spiro triene 6 is supported by deuterium labelling experiments which also reveal the reversible nature of the concurrently occurring 1,5-hydrogen shift (1 2).Keywords
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