| 摘要 |
Novel DELTA 1,3,5(10),6-estratetraenes of the formula <IMAGE> I R is selected from the group consisting of hydrogen, acyl of an alkanoic acid of 1 to 5 carbon atoms, optionally substituted benzoyl, tetrahydropyranyl, trityl and trimethylsilyl and R1 is selected from the group consisting of acyl of an alkanoic acid of 1 to 5 carbon atoms, optionally substituted benzoyl, tetrahydropyranyl, trityl and trimethylsilyl, novel intermediates therefore, process for the preparation of estradiols marked with a tritium atom and the novel tritiated estradiols which are useful to the study and dosage of specific receptors of estrogen.
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