Patent · US Expired

Iodinated aroyloxy esters

US5322679A · kind A · utility

11Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1992
Grant dateJun 21, 1994
Priority date
Expiry dateDec 16, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C233/91
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compounds having the structure ##STR1## wherein (Z--COO is the residue of an iodinated aromatic acid; PA1 n is an integer from 1 to 20; PA1 R.sup.1 and R.sup.2 are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy or aryloxy; PA1 R.sup.3 and R.sup.4 are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, halogen, hydroxy or acylamino; and PA1 R.sup.5 is alkyl, cycloalkyl, aryl, aralkyl, alkoxyalkyl or acetamidoalkyl; PA1 are useful as contrast agents in x-ray imaging compositions and methods.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.