Method for producing 4-(benzimidazolylmethylamino)-benzamidines

Details Method for producing 4-(benzimidazolylmethylamino)-benzamidines Method for producing 4-(benzimidazolylmethylamino)-benzamidines

C - Chemistry, Metallurgy

07

D

C07D 271/07 (2006.01) A61K 31/4184 (2006.01) A61P 7/02 (2006.01) C07D 401/12 (2006.01)

Patent

CA 2570499

The invention relates to a method for producing an optionally substituted 4- benzimidazol-2-ylmethylamino-benzamidine. Said method is characterised in that (a) an optionally correspondingly substituted diaminobenzol is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-ethanoic acid, (b) the thus obtained product is hydrogenated, and (c) optionally the amidino group is carbonylated.

La présente invention concerne un procédé pour produire une 4-benzimidazol-2-ylméthylamino)-benzamidine éventuellement substituée. Ce procédé est caractérisé en ce qu'il consiste (a) à condenser un diaminobenzol, éventuellement substitué de manière correspondante, avec de l'acide 2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phénylamino]-acétique, (b) à hydrogéner le produit ainsi obtenu, puis (c) à carbonyler éventuellement le groupe amidino.

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