Summary Seventeen substituted arylimino derivatives of gossypol have been prepared and characterized. Fifteen of these are new compounds. o ‐Nitroaniline gave both a mono‐ and a disubstituted derivative with gossypol while p,p′ ‐methylenedianiline gave only a monosubstituted derivative. During experiments designed to prevent color reversion in stored, crude cottonseed oils by treatment with various aromatic amines, only p ‐aminobenzoic acid formed an oil‐insoluble derivative with the gossypol in the oils.
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Dechary et al. (1956) studied this question.
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