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It was shown by Young (1947) and by Boyland & Wolf (1950) that rats convert phenanthrene into trans 9,10 dihydro-9,10 dihydroxyphenanthrene; the latter workers further showed that rabbits convert phenanthrene into this compound and also into trans-1,2-dihydro-1,2-dihydroxyphenanthrene. Bergel & Pschorr (1903) had found that phenanthrene causes an increased excretion of glucuronic acid conjugates. In the present work it was found that the above compounds, together with trans3,4-dihydro-3,4-dihydroxyphenanthrene, are excreted both free and conjugated with glucuronic acid in animals of both species. Glucuronic acid conjugates of hydroxyphenanthrenes and of dihydroxyphenanthrenes are also present.

biochemical journal

Metabolism of polycyclic compounds. 21. The metabolism of phenanthrene in rabbits and rats: dihydrodihydroxy compounds and related glucosiduronic acids