Refinement of histamine H3 ligands pharmacophore model leads to a new class of potent and selective naphthalene inverse agonists.
2008
The refinement of our original five point pharmacophore model for the H 3 receptor with the addition of a new acceptor feature is presented. The importance of this new acceptor feature for the binding and the selectivity against H 1 , H 2 and H 4 has been validated using a newly synthesized naphthalene series. With the SAR deduced from several hundred naphthalene derivatives in various sub-classes the specific role of each pharmacophoric feature, by varying the geometry, size and charge of the molecules, was elucidated. This led to the discovery of a highly potent and selective new compounds series.
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