Oxygen → 25-Hydroxy-7-dehydrocholesterol

참여 물질

반응 단계

9β,10α-cholesta-5,7-diene-3β,25-diol (5.0 g.) in 1 l. dry oxygen-free tetrahydrofuran, is irradiated in a like fashion to that described in Example 1. Working up in an analogous fashion to Example 1, some cholesta-5,7-diene-3β,25-diol is initially isolated. After a thermal treatment of the materials contained in the filtrate, similar to that of Example 1, 25-hydroxycholecalciferol is isolated.

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