Journal of the Chemical Society. Chemical communications p. 177 - 179 (1984)
Update date:2022-08-05
Topics:
Attwood, Michael R.
Brown, Ben R.
Lisseter, Stephen G.
Torrero, Christopher L.
Weaver, Philip M.
The u.v. spectra of 5- and 7-hydroxyflavan-4-ols in acid solution are interpreted in terms of the ?-?* transition of quinone methide intermediates; the enhanced reactivity of 4-substituted 7-hydroxyflavans compared to 4-substituted 7-methoxyflavans supports this mechanism which may be operative in the biosynthesis of polyflavanoids (e.g. condensed tannins).
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(1983)
