Patent · US Expired

Asymmetric synthesis of 2-(2,4-difluorophenyl)-1-heterocycl-1-yl butan-2,3-diols

US6133485A · kind A · utility

2Cited by
11References
34Claims
0Family size

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Key dates

Filing dateApr 15, 1998
Grant dateOct 17, 2000
Priority date
Expiry dateApr 15, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07B2200/07
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The asymmetric production of pure diastereomeric (2R,3R), (2R,3S), (2S,3R) and (2S,3S)-2-aryl-1-substituted butan-2,3-diols from the derivatives of lactic acid.

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