Patent · US Expired

Sodium (S)-2-(6-methoxy-2-naphthyl)propionate monohydrate

US5874614A · kind A · utility

3Cited by
46References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1997
Grant dateFeb 23, 1999
Priority date
Expiry dateDec 11, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/412
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel and very useful forms of sodium (S)-2-(6-methoxy-2-naphthyl)propionate are provided. These forms are sodium (S)-2-(6-methoxy-2-naphthyl)propionate monohydrate having an average particle size significantly larger than about 70 microns--the size of conventional sodium (S)-2-(6-methoxy-2-naphthyl)propionate--and a chiral purity of at least 98% (S)-enantiomer. Process technology enabling the production of such novel products is also described. The provision of such novel products makes possible significant improvements in processing time, plant capacity and product handling operations.

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