Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-03-02
2008-12-02
Shiao, Rei-tsang (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S304700, C546S273400
Reexamination Certificate
active
07459566
ABSTRACT:
A process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)benzamidine, the process comprising:(a) condensing an optionally suitably substituted diaminobenzene with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)phenylamino]acetic acid;(b) hydrogenating the product obtained from step (a); and(c) optionally carboxylating the amidino group of the product obtained from step (b).
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Abstract for DE 199 62 329 A1.
Hamm Rainer
Hausherr Arndt
Koch Gunter
Schlarb Kerstin
Schmitt Heinz-Peter
Boehringer Ingelheim International GmbH
Chu Yong
Devlin Mary-Elllen M.
Morris Michael P.
Petka Wendy A.
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