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  • Title: Nature of acid-induced fluorescence of 17alpha-methyltestosterone.
    Author: Njau E.
    Journal: J Pharm Sci; 1977 Oct; 66(10):1478-80. PubMed ID: 21952.
    Abstract:
    The fluorescence of the 17alpha-methyltestosterone-trichloroacetic acid reaction product, 1,2,10,15,16,17-hexahydro-10,17,17-trimethylcyclopenta[alpha]phenanthren-3-one, in strong acid was investigated. Structural requirements for fluorescence were derived from absorption and fluorescence studies of related phenanthrenones and cinnamylidene compounds possessing a similar chromophore. All compounds showed fluorescence intensity that was structure and pH dependent. Fluorescence is attributed to both enol and protonated species.
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