Patent · US Expired

Stereoselective deoxygenation reaction

US5962688A · kind A · utility

1Cited by
1References
23Claims
0Family size

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Key dates

Filing dateAug 8, 1997
Grant dateOct 5, 1999
Priority date
Expiry dateAug 8, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to a key intermediate in the synthesis of an endothelin antagonist, the synthesis of this key intermediate and the synthesis of an endothelin antagonist using this intermediate in a stereoselective deoxygenation reaction.

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