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. 1976;5(4):361-6.
doi: 10.1016/s0006-3061(00)80297-5.

Interaction of copper(II) with the fungal metabolite, citrinin

L A Ahles, Q Fernando, O R Rodig, J M Quante

Interaction of copper(II) with the fungal metabolite, citrinin

L A Ahles et al. Bioinorg Chem. 1976.

Abstract

Copper(II) reacts with citrinin to form 1:1 and 1:2 chelates. The formation constants of these copper(II) chelates have been determined in the solvent 50% (v/v) dioxane-water. Citrinin in the solid state is a p-quinone methide. It may exist as an equilibrium mixture of the p-quinone and o-quinone methides in solution. The experimental evidence indicates that upon chelate formation it exists predominantly in the o-quinone form.

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