Intermediates for the preparation of iodinated contrast agents
US6153771A · kind A · utility
2Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1998 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Sep 30, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C237/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
5-Substituted isophthalic acid bis(allylamides) and bis(allylamide epoxides) in which said 5-substituent is --NO.sub.2, --NH.sub.2, --NHR.sup.1 or --NR.sup.1 R.sup.2 where R.sup.1 and R.sup.2 are independently optionally substituted alkyl, alkenyl, acyl, aryl, aralkyl or alkaryl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.