6-Hydroxy-7-methoxy-5-benzofuran carboxaldehyde and 2,3-dihydro-7-methoxy-6-benzofuranol
US4150042A · kind A · utility
5Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1978 |
| Grant date | Apr 17, 1979 |
| Priority date | — |
| Expiry date | Mar 8, 1998 |
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.