Intermediate for synthesis of thienamycin via (3SR, 4RS)-3-[1 (SR)-hydroxyethyl]-2-oxo-4-azetidineacetic acid
US4349687A · kind A · utility
6Cited by
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1Claims
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Key dates
| Filing date | Apr 8, 1981 |
| Grant date | Sep 14, 1982 |
| Priority date | — |
| Expiry date | Apr 8, 2001 |
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: ##STR1## wherein R is a readily removable carboxyl protecting group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.