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Addition of alkenes to phenyl-substituted enol radical cations, C6H5C(OH)CHR+˙

✍ Scribed by P. Mourgues; J. P. Denhez; H. E. Audier; S. Hammerum


Book ID
102559524
Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
440 KB
Volume
28
Category
Article
ISSN
1076-5174

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✦ Synopsis


The addition-fragmentation reactions of phenyl-substituted enol radical cations, C6H5C(OH)CHR+' (R = H, CH,), with alkenes were studied by Fourier transform ion cyclotron resonance spectroscopy. These reactions (involving both labelled and unlabelled reactants) were compared with the unimolecular reactions of aromatic ketone molecular ions and related species that give rise to C6HSC(OH)CHR+' and alkene products. It is shown that the phenyl-substituted enol ions react with alkenes by C -C bond formation leading to an intermediate y- distonic ion; the reactions are not accompanied by cyclization to cyclobutanol intermediates.


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