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Importance of Pharmacophore in Designing of Anticonvulsant Agents.

Drug design is one of the critical aspects of the drug development process. The present review focused on different heterocyclic molecules having anticonvulsant activity with structural diversity and common pharmacophoric features. For the first time (1995), Dimmock and his team introduced specific arrangements of three pharmacophores that are important for anticonvulsant activity. This pharmacophore includes two hydrophobic binding sites and one hydrogen binding site. After a few years (2012), Pandeya modified Dimmock's concept by adding one more pharmacophoric feature as an electron donor in the previously suggested pharmacophoric arrangement of the anticonvulsant. As a result, numerous scientists designed anticonvulsant drugs based on Dimmock's and Pandeya's concept. In addition, marketed anticonvulsant preparation containing Riluzole, Phenobarbital, Progabide, Ralitoline, etc., also holds the suggested pharmacophores by Dimmock and Pandeya's pharmacophoric concept. This review mainly focuses on the compilation of reported scientific literature in the last decade on the pharmacophoric features of different heterocyclic anticonvulsants, which will help to develop new anticonvulsants.