Summary
The inhibitor activity of some 6-hydroxychromans and 5-hydroxycoumarans in gasoline and lard was investigated. The coumarans are the more effective in both substrates. Introduction of a tertiary butyl group ortho to the hydroxyl group increases the activity of 2,2-dimethyl-5-hydroxycoumaran in both substrates, but the activity of the 2,2-dimethyl-6-hydroxychromans is increased only in gasoline.
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Gleim, W.K.T., Chenicek, J.A. The antioxidant properties of some 6-Hydroxychromans and 5-Hydroxycoumarans. J Am Oil Chem Soc 33, 322–324 (1956). https://doi.org/10.1007/BF02639343
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DOI: https://doi.org/10.1007/BF02639343