Patent · US Expired

Synthesis of thienamycin via esters of (3SR, 4RS)-3-[(SR)-1-hydroxyethyl]-.beta.,2-dioxo-4-azetidinebutanoic acid

US4282148A · kind A · utility

20Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1980
Grant dateAug 4, 1981
Priority date
Expiry dateJan 14, 2000

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, which synthesis proceeds via intermediate II: ##STR1## wherein R.sup.3 is a readily removable carboxyl protecting group.

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