Process for the preparation of optically active methadones in high enantiomeric purity
US6143933A · kind A · utility
2Cited by
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11Claims
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Key dates
| Filing date | Apr 9, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Apr 9, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P41/004
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method of preparing optically active methadones comprises an enzymatic process for the resolution of 1-dialkyl-amino-2-propanol and conversion of the enantiomers to the optically active methadones in high enantiomeric purity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.