Patent · US Expired

Electron-deficient porphyrins and processes and intermediates for preparing same

US5599924A · kind A · utility

23Cited by
32References
67Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1994
Grant dateFeb 4, 1997
Priority date
Expiry dateApr 28, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2531/96
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Electron-deficient porphyrins are provided, as well as processes and intermediates for their preparation. In preferred embodiments, the electron-deficient porphyrins are prepared by condensing pyrrole derivatives and removing water thus formed from the resulting reaction mixture.

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