Patent · US Expired

3-pyrrolidinylthio-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid compounds

US4963544A · kind A · utility

27Cited by
1References
10Claims
0Family size

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Key dates

Filing dateMay 5, 1989
Grant dateOct 16, 1990
Priority date
Expiry dateMay 5, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

3-Pyrrolidinylthio-1-azabicyclo[3.2.0]-hept-2-ene carboxylic acids substituted on the pyrrolidine by unsaturated heterocyclyl have been prepared.

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