Electron-deficient porphyrins and processes and intermediates for preparing same
US5856515A · kind A · utility
6Cited by
32References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1996 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Dec 11, 2016 |
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.