Abstract
Condensation reactions of 1,1′-diacylferrocenes with hydroxylamine afford a series of 1,1′-bis[1-(hydroxyimino)alkyl]ferrocenes, [2(a–d)] which have antioxidant activity towards DPPH· This is enhanced with an increase of the compound concentration, but reduced as the bulkiness of the α-substituent hydroximino group increases. The antioxidant activity of [2(a–d)] is much higher than that of diacylferrocenes.
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