Substituted acetanilidoiminodiacetic acid compounds, diagnostic agents containing such compounds labeled with technetium-99m, and methods for making and using such compounds and agents
US4350674A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 1980 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | May 16, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2123/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
What are disclosed are (2,3,4,5,6-pentafluoroacetanilido)-iminodiacetic acid and a method for its preparation from chloroacetic acid (2,3,4,5,6-pentafluoroanilide); (4-n-pentylacetanilido)-iminodiacetic acid and a method for its preparation from chloroacetic acid (4-n-pentylanilide); diagnostic agents for visualizing the heptobiliary system containing these substituted acetanilidoiminodiacetic acid compounds labeled with technetium-99m; and methods for making and using such diagnostic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.