Preparation method of micafungin sodium
US9115177B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | May 11, 2012 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | May 11, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K7/56
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The method of the preparation of micafungin sodium comprises the step of mixing the weak base and the aqueous solution containing micafungin acid (the structure is illustrated by formula I) or the mixed aqueous solution containing the compound of formula I and organic solvent in order to obtain the sodium salt of micafungin (the structure is illustrated by formula II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.