Organic letters p. 523 - 525 (2003)
Update date:2022-08-05
Topics:
Hanazawa, Takeshi
Koyama, Akiko
Wada, Takeshi
Morishige, Eiko
Okamoto, Sentaro
Sato, Fumie
[reaction: see text] 1alpha,25-Dihydroxyvitamin D(3) was synthesized by the Suzuki-Miyaura coupling of the A-ring intermediate 1, which was efficiently prepared from readily available 1,7-enyne 2, with the corresponding boronate compound of the C,D-ring portion. The method was applied to prepare des-C,D analogues of 1alpha,25-dihydroxyvitamin D(3).
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