Method for the production of phenylalanine derivatives

Details Method for the production of phenylalanine derivatives Method for the production of phenylalanine derivatives

2007-05-16

2010-02-09

Parsa, Jafar (Department: 1621)

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

Organic compounds

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

C560S040000, C562S435000

Reexamination Certificate

active

07659396

ABSTRACT:
The invention relates to an improved method for the production of 3-amidino- or 3-guanidinophenylalanine derivatives, especially triisopropylphenyl-sulfonyl-substituted 3-amidino- or 3-guanidinophenylalanine derivatives.

REFERENCES:
patent: 6624169 (2003-09-01), Wilhelm et al.
patent: WO 92/08709 (1992-05-01), None
Lee K et al, “Fluorobenzamidrazone Thrombin Inhibitors: Influence of Fluorine on Enhancing Oral Absorption” Bioorganic & Medicinal Chemistry Letters, Oxford GB, Bd 9, Nr. 17, Sep. 6, 1999, Seiten 2483-2486, XP004188848 ISSN: 0960-.
PCT International Preliminary Examination Report, Oct. 7, 2004, IPEA/EP.

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