Method for the demethoxycarbonylation of porphyrinic compounds such as pheophorbides
US5973141A · kind A · utility
17Cited by
2References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Nov 27, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved method for the demethoxycarbonylation of porphyrinic compounds such as pheophorbides involving reacting the starting porphyrinic compound with a high boiling point solvent to which a selected amount of water has been added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.