Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used therein
US8097706B2 · kind B2 · utility
5Cited by
5References
7Claims
0Family size
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Key dates
| Filing date | Nov 7, 2008 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Jan 20, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method for preparing capecitabine and a method for preparing a β-anomer-rich trialkyl carbonate compound used therein, and a highly pure capecitabine can be efficiently prepared with a high yield by the method of the present invention using the β-anomer-rich trialkyl carbonate compound as an intermediate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.