Preparation of new intermediate of heparin pentasaccharide and preparation method thereof
US9624315B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Apr 2, 2013 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Nov 13, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B37/006
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process of a chemically synthetic drug, and in particular, to a new intermediate of a heparin pentasaccharide and a preparation method thereof. The process has high reaction efficiency, and an easy reaction operation. The reaction intermediate is easy to be purified, and is appropriate for an industrialization production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.