Method for Cleaning 3-Hydroxyamidinophenylalanine Derivatives by the Precepitation and Recrystallization of Salt and an Aromatic Sulfonic Acid
The present invention relates to the preparation of 3-hydroxyamidino-phenylalanine derivatives in highly pure form which can be used for example as urokinase inhibitors. The present invention further relates to the use of high-purity 3-hydroxyamidinophenylalanine derivatives for preparing 3-amidinop...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to the preparation of 3-hydroxyamidino-phenylalanine derivatives in highly pure form which can be used for example as urokinase inhibitors. The present invention further relates to the use of high-purity 3-hydroxyamidinophenylalanine derivatives for preparing 3-amidinophenylalanine derivatives. |
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