Yuuki Kobayashi

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A method for the synthesis of two (23R)- and (23S)-epimeric pairs of 23-fluoro-3α,7α,12α-trihydroxy-5β-cholan-24-oic acid and 23-fluoro-3α,7α-dihydroxy-5β-cholan-24-oic acid is described. The key intermediates, 23,24-dinor-22-aldehyde peracetates were prepared from cholic and chenodeoxycholic acids via the 24-nor-22-ene, 24-nor-22ξ,23-epoxy, and(More)
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