Process for the O-methylation of hydroxyaporphines
US4309542A · kind A · utility
3Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1978 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Dec 19, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/635
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for the O-methylation of hydroxyaporphines is disclosed. This process utilizes a trimethylphenylammonium base as the alkylating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.