2,4,6-triiodo-5-substituted-amino-isophthalate esters useful as x-ray contrast agents for medical diagnostics imaging
US5670136A · kind A · utility
13Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Jan 16, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/0433
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds having the structure: ##STR1## wherein Q is ##STR2## n is an integer from 0 to 20; R.sup.1 is H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxyalkyl or acetamidoalkyl; PA1 R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are independently H, alkyl, fluoroalkyl, halogen, hydroxy, acylamino, acetamidoalkyl, cyano, sulfonyl, carboxamido or sulfonamido; PA1 R.sup.6 is alkyl, cycloalkyl, aryl, or aralkyl; and PA1 R.sup.7 is H or --COR.sup.6 are useful as contrast agents in medical diagnostic x-ray imaging compositions and methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.