Process for novel oxazolinoazetidinones
US4243588A · kind A · utility
1Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1979 |
| Grant date | Jan 6, 1981 |
| Priority date | — |
| Expiry date | Jun 19, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel oxazolinoazetidinone intermediates are prepared by cyclizing 2-chloroazetidinones with lead difluoride in dimethyl sulfoxide. The oxazolinoazetidinone products are useful as intermediates in the preparation of oxygen analogues of penicillins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.