Title: Direct observation of an adduct of 2-chlorotropone and potassium methoxide: attack at an unsubstituted cycloheptatrienone ring carbon
Abstract: It is shown by 1H Fourier transform n.m.r. spectroscopy that potassium methoxide in dimethyl sulphoxide adds at C-7 of an activated cycloheptatrienone like 2-chlorotropone; this adduct rapidly disappears owing to competitive direct replacement of chlorine by methoxide from 2-chlorotropone present at equilibrium to give 2-methoxytropone which, finally, is trapped by methoxide as a gem-dimethoxy-adduct.
Publication Year: 1974
Publication Date: 1974-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 3
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