Beta-lactam compounds containing a C-acetal group and process for their preparation
US4432901A · kind A · utility
1Cited by
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4Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 11, 1981 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Sep 11, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to new heterocyclic compounds containing a C-acetyl group and a process for their preparation. More particularly, the invention concerns new compounds of the formula (III). ##STR1## in which R is a protecting group suitable for temporary protection of amines and amides or an aryl group, and Z is alkyl. The compounds are intermediates in the preparation of penicillins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.