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New Histamine-Related Five-Membered N-Heterocycle Derivatives as Carbonic Anhydrase I Activators.

ABSTRACT: A series of histamine (HST)-related compounds were synthesized and tested for their activating properties on five physiologically relevant human Carbonic Anhydrase (hCA) isoforms (I, II, Va, VII and XIII). The imidazole ring of HST was replaced with different 5-membered heterocycles and the length of the aliphatic chain was varied. For the most interesting compounds some modifications on the terminal amino group were also performed. The most sensitive isoform to activation was hCA I (KA values in the low micromolar range), but surprisingly none of the new compounds displayed activity on hCA II. Some derivatives (1, 3a and 22) displayed an interesting selectivity for activating hCA I over hCA II, Va, VII and XIII.

SUBMITTER: Chiaramonte N

PROVIDER: S-EPMC8779960 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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New Histamine-Related Five-Membered N-Heterocycle Derivatives as Carbonic Anhydrase I Activators.

Chiaramonte Niccolò N Gabellini Alessio A Angeli Andrea A Bartolucci Gianluca G Braconi Laura L Dei Silvia S Teodori Elisabetta E Supuran Claudiu T CT Romanelli Maria Novella MN

Molecules (Basel, Switzerland) 20220115 2

A series of histamine (HST)-related compounds were synthesized and tested for their activating properties on five physiologically relevant human Carbonic Anhydrase (hCA) isoforms (I, II, Va, VII and XIII). The imidazole ring of HST was replaced with different 5-membered heterocycles and the length of the aliphatic chain was varied. For the most interesting compounds some modifications on the terminal amino group were also performed. The most sensitive isoform to activation was hCA I (K<sub>A</su ...[more]

PMID: 35056859

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