Process for the preparation of 4-(benzimidazolymethylamino)...

Details Process for the preparation of 4-(benzimidazolymethylamino)... Process for the preparation of 4-(benzimidazolymethylamino)...

2007-04-10

2007-04-10

Shameem, Golam M. M. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S309700, C548S250000, C548S215000, C548S146000, C548S240000, C548S300100, C548S356100, C548S560000, C544S238000, C544S242000, C544S336000, C549S083000

Reexamination Certificate

active

11149021

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).

REFERENCES:
patent: 6248770 (2001-06-01), Ries et al.
patent: 6451832 (2002-09-01), Ries et al.
patent: 6593355 (2003-07-01), Ries et al.
patent: 763094 (2000-01-01), None
Abstract for DE 199 62 329 A1.

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