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Deuterium isotope effects in the meta photocycloaddition of aromatic compounds to alkenes

✍ Scribed by P. de Vaal; G. Lodder; J. Cornelisse

Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
258 KB
Volume
26
Category
Article
ISSN
0040-4039

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✦ Synopsis

Secondary deuterium isotope effects were observed in the meta photocycloaddition

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Intramolecular deuterium isotope effects in the meta photocycloaddition of aromatic compounds to alkenes
✍ P. de Vaal; G. Lodder; J. Cornelisse πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 French βš– 334 KB

The effect of substitution of hydrogen by deuterium in some aromatic compounds on product distributions in the meta photocycloaddition to al kenes was investigated. The isotope effects found are in agreement with a polar mechanism.

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## Abstract The ^3^Δ‐deuterium isotope effects of partially and fully deuteriated __tert__‐butyl groups on the ^13^C NMR spectra of __tert__‐butylbenzene and derivatives are discussed in detail. It is shown that they correlate with the chemical shift of C‐1 of the aromatic ring. It has been demonst