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Synthesis of 24,24-difluoro- and 24ξ-fluoro-25-hydroxyvitamin D3

✍ Scribed by Yoshiro Kobayashi; Takeo Taguchi; Tadafumi Terada; Jun-ichi Oshida; Masuo Morisaki; Nobuo Ikekawa

No coin nor oath required. For personal study only.

✦ Synopsis

From cholenic acid 24,24-difluoro-25-hydroxyvitamin D3 and 245fluoro-25-hydroxyvitamin D3 were prepared.

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