Preparation of (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl) propylamine using optically active methylhydroxylaminopropanol compound as an intermediate
US8148549B2 · kind B2 · utility
1Cited by
2References
15Claims
0Family size
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Key dates
| Filing date | Mar 12, 2009 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | May 6, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a (S)-methylhydroxylaminopropanol derivative as an intermediate for preparation of (S)-(+)-N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine. The present invention also provides a process for preparing (S)-(+)-N-methyl-3-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine with higher yield and lower cost, wherein the (S)-methylhydroxylaminopropanol derivative is used as an intermediate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.