7-amino-3-(substituted isoindolinium)methyl-3-cephem derivatives
US4883868A · kind A · utility
2Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1987 |
| Grant date | Nov 28, 1989 |
| Priority date | — |
| Expiry date | Jun 22, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound having the formula: ##STR1## wherein R.sup.1 is an amino group or a protected amino group, R.sup.2 is a hydrogen atom or a protecting group for a hydroxyl group, R.sup.3 represents negative charge, a hydrogen atom or a protecting group for a carboxyl group, and n is 0 or 1, and a salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.