Method for isolating and purifying (1RS,2RS)-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol
US6909017B2 · kind B2 · utility
1Cited by
3References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 11, 2003 |
| Grant date | Jun 21, 2005 |
| Priority date | — |
| Expiry date | Aug 31, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method for isolating and purifying (1RS,2RS)-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol as a saccharinate from a mixture of the diastereomers (1SR,2)RS-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol and (1SR-2RS)-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol and optionally impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.