Patent · US Expired

Synthesis of thienamycin via (3SR, 4RS)-3-[1 (SR)-hydroxyethyl]-2-oxo-4-azetidineacetic acid

US4473502A · kind A · utility

8Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1982
Grant dateSep 25, 1984
Priority date
Expiry dateJun 7, 2002

Classification

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

Abstract

Disclosed is a process for the stereocontrolled total synthesis of thienamycin via intermediates II and IIa: wherein R is a readily removable carboxyl protecting group.

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