Recent developments for introducing a hexafluoroisopropanol unit into the Vitamin D side chain

Fumihiro Kawagoe, Toru Sugiyama, Motonari Uesugi, Atsushi Kittaka

Research output: Contribution to journalReview articlepeer-review

16 Scopus citations

Abstract

Among numerous studies on synthetic approaches to and the biological activities of vitamin D analogues, we herein focused on falecalcitriol, an analogue of calcitriol (1α,25-dihydroxyvitamin D 3 ), in which a 26,26,26,27,27,27-hexafluoroisopropanol unit has been introduced into the side chain. Falecalcitriol was designed to escape from the metabolism of CYP24A1 and has been used as a drug to treat secondary hyperparathyroidism since 2001. Its metabolite, the 23-hydroxy form, retains biological activity and resistants to further metabolism. Recent developments in synthetic methodologies for introducing the hexafluoroisopropanol unit into the vitamin D CD-ring side chain were described herein.

Original languageEnglish
Pages (from-to)250-254
Number of pages5
JournalJournal of Steroid Biochemistry and Molecular Biology
Volume177
DOIs
StatePublished - Mar 2018

Keywords

  • CD-ring
  • Falecalcitriol
  • Hexafluoroacetone (HFA)
  • Hexafluoroisopropanol unit
  • Ruppert-Prakash reagent (CF TMS)
  • Synthesis

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