Process for preparing (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine by using optically active methylhydroxylaminopropanol compound as intermediate
US8530674B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | May 6, 2010 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Jun 2, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides (S)-methylhydroxylaminopropanol compound as an intermediate in preparation of (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine. The present invention also provides a process for preparing (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine with higher yield and lower cost by using the (S)-methylhydroxylaminopropanol compound as an intermediate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.