Methods of preparing didesmethylsibutramine and other sibutramine derivatives
US6610887B2 · kind B2 · utility
12Cited by
39References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2002 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | May 6, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention encompasses novel methods of preparing sibutramine and sibutramine derivatives, and stereomerically pure sibutramine derivatives in particular. Examples of sibutramine derivatives include, but are not limited to, sibutramine metabolites such as desmethylsibutramine and didesmethylsibutramine. The invention further encompasses novel compounds useful in the synthesis of sibutramine derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.