Synthesis of azetidinones
US4948885A · kind A · utility
0Cited by
16References
3Claims
0Family size
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Inventors
Key dates
| Filing date | Jun 23, 1989 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Jun 23, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is disclosed a compound represented by the formula ##STR1## wherein each P is hydrogen or a hydroxy protecting group and R and R' are each the same and are hydrogen, ##STR2## wherein R" is lower alkyl and R'" is a carboxy protecting group. The compounds are useful as intermediates for preparing penems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.