Preparation of beta-methyl carbapenem intermediates
US5654424A · kind A · utility
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Key dates
| Filing date | May 4, 1995 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | May 4, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to a process of making a Beta-methyl carbapenem intermediate of formula VI from a compound of formula I ##STR1## wherein R and P' are protecting groups R.sup.1 is a methylmalonic acid ester and Nu is a nucleophilic group. Process intermediates are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.