Steroids p. 339 - 345 (1979)
Update date:2022-08-10
Topics:
Komatsu
Yamauchi
Shimoirisa
Ito
Maeda
Kojima
6β-Iodomethyl-19-norsitost-5(10)-en-3β-ol (V) was synthesized by homoallylic rearrangement of 19-iodositost-5-en-3β-ol (IV), which was obtained by the hydrolysis of 19-iodotost-5-en-3β-ol acetate (III) derived from the displacement of sitost-5-ene-3β,19-diol 3-acetate 19-p-toluenesulfonate (I) with sodium iodide in isopropanol. The radioiodinated IV and V were prepared by isotope exchange with sodium iodide-I-131.
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