Method for preparing 4, 10-diacetoxy-2.alpha.-benzoyloxy-5.beta., 20-Epoxy-1, 7.beta.-dihydroxy-9-oxo-tax-11-en-13.alpha.-yl(2R,3S)-3-benzoylamino-2-h ydroxy-3-phenylpropionate trihydrate
US6002022A · kind A · utility
7Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for the preparation of 4,10-diacetoxy-2.alpha.-benzoyloxy-5.beta.,20-epoxy-1,7.beta.-dihydroxy-9- oxo-tax-11-en-13.alpha.-yl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropionate trihydrate by crystallization from a water/alcohol solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.