Methods of O-demethylation and N-deprotection
US6395900B1 · kind B1 · utility
16Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Jun 29, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a method for N-deprotecting an opioid compound, a method for N-deprotecting and O-demethylating an opioid compound, a method for O-demethylating an opioid compound, and a method for O-demethylating a nonpeptidic delta agonist compound or an opioid compound having a tertiary amide with no significant reaction at amide groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.