Process for the resolution of racemic diphosphine oxides
US5334766A · kind A · utility
4Cited by
2References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 9, 1992 |
| Grant date | Aug 2, 1994 |
| Priority date | — |
| Expiry date | Apr 9, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65515
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the resolution of racemic diphosphine oxides into the optically active antipodes by reacting the racemate with a resolving agent comprising using a carbamate or thiocarbamate of an optically active .alpha.-hydroxycarboxylic acid or .alpha.-aminocarboxylic acid as the resolving agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.