Method for producing epirubicin and novel production intermediate therefor
In the present invention, an organic acid salt of 4'-epidaunorubicin or a hydrate or a solvate thereof is used as a novel production intermediate, whereby it is possible to efficiently remove 13-dihydroepidaunorubicin and 4'-epifeudomycin, which are typical impurities that may be present i...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | In the present invention, an organic acid salt of 4'-epidaunorubicin or a hydrate or a solvate thereof is used as a novel production intermediate, whereby it is possible to efficiently remove 13-dihydroepidaunorubicin and 4'-epifeudomycin, which are typical impurities that may be present in the starting-material 4'-epidaunorubicin, and to produce highly pure epirubicin. |
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