Asymmetric synthesis of 2-(2,4-difluorophenyl)-1-heterocycl-1-yl butan-2,3-diols
US6133485A · kind A · utility
2Cited by
11References
34Claims
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Key dates
| Filing date | Apr 15, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Apr 15, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The asymmetric production of pure diastereomeric (2R,3R), (2R,3S), (2S,3R) and (2S,3S)-2-aryl-1-substituted butan-2,3-diols from the derivatives of lactic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.