C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/316
C07D 207/34 (2006.01) C07D 207/36 (2006.01) C07D 209/40 (2006.01)
Patent
CA 1050556
Abstract of the Disclosure New pharmacologically active aminopyrrole derivatives of the general formula Image I wherein: R is selected from hydrogen, (C1-4)alkyl, benzyl and halo-sub- stituted benzyl; R1 represents hydrogen, (C1-4)alkyl, phenyl or substituted phenyl; R2 is a member of the class consisting of hydrogen, (C-4)alkyl, formyl, (C2-4)aliphatic acyl, benzoyl, [carbo(C1-4)alkoxy]- (C2-4)aliphatic acyl, carbamyl, phenylcarbamyl, thiocarbamyl, phenylthiocarbamyl, benzoylthiocarbamyl, carboxyphenyl, benzone- sulfonyl, (C1-4)alkylsulfonyl, tolenesulfonyl, phenacylsulfonyl; R3 is selected from hydrogen and (C1-4)alkyl; R4 represents (C2-4)aliphatic acyl, benzoyl, substituted benzoyl, carbo(C1-4)alkoxy, carboxy, carbamyl, methylcarbaml or phe- nylcarbamyl; R5 is selected from the group consisting of hydrgen, (C1-4)alkyl carbo(C1-4)alkoxy, [carbo(C1-4)alkoxy]mehyl, trifluoromethyl, carboxy, carbamyl and carbazoyl; - 1 - R2 and R3 taken together represent (C2-4)alkylidene, benzylidene, or halo-substituted benzylidene; R4 and R5 taken together may also represent a group -CO-(CH2)n-, wherein n is an integer selected from 2, 3, and 4; with the proviso that when R1 and R5 simultaneously represent mothyl and R is hydrogen, one of R2 and R3 must be different from hydrogen and R4 cannot be carbethoxy; and salts therewith of pharmaceutically acceptable acids.
207472
Panzone Gianbattista
Tarzia Giorgio
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