7-Oxo-9-methoxy-7H-furo[3,2-g][1]benzopyran-6-carboxylic acid
US4107182A · kind A · utility
5Cited by
0References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1977 |
| Grant date | Aug 15, 1978 |
| Priority date | — |
| Expiry date | Jul 29, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/86
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to synthetic processes to produce the known pharmacologically active 9-methoxypsoralen. Also disclosed are various novel intermediates utilized in these processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.