Patent · US Expired

Intermediates for the preparation of iodinated contrast agents

US6153771A · kind A · utility

2Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1998
Grant dateNov 28, 2000
Priority date
Expiry dateSep 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.