Process for the preparation of penems
US4631150A · kind A · utility
20Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1984 |
| Grant date | Dec 23, 1986 |
| Priority date | — |
| Expiry date | Aug 6, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing 2-methyl substituted penems useful as antibiotics agent and/or as intermediates thereof, by reacting an appropriate 1-imido-3,4-disubstituted azetidinone derivative with a trivalent organophosphorus compound in an inert solvent at a temperature of from 110.degree. to 150.degree. C. for a period of from 2 hours to a few days.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.