Patent · US Active

Process for preparing 3a(β)-7a(β)-dihydroxy-6a(β)-alkyl-5β-cholanic acid

US7994352B2 · kind B2 · utility

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13References
39Claims
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Key dates

Filing dateMay 19, 2006
Grant dateAug 9, 2011
Priority date
Expiry dateDec 3, 2028

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P9/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Process for preparing 3α-7α(β)-dihydroxy-6α(β)-alkyl-5β-cholanic acid (I) in which R is a linear or branched C1-C5 alkyl and the relative intermediates 3α-hydroxy-6β-alkyl-7-keto-5β-cholanic (VIII) and 3α-hydroxy-6α-alkyl-7-keto-5β-cholanic (IX).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.