Method for preparing and purifying...

Details Method for preparing and purifying... Method for preparing and purifying...

2011-05-31

2011-05-31

Bernhardt, Emily (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C544S386000, C544S387000

Reexamination Certificate

active

07951943

ABSTRACT:
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.

REFERENCES:
patent: 0 074 249 (1983-03-01), None
patent: 0 861 826 (1998-09-01), None
patent: WO 02/074756 (2002-09-01), None
patent: WO 2004/067522 (2004-08-01), None

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