Pyrazoline: A Promising Scaffold for the Inhibition of Monoamine Oxidase
Bijo Mathew, Jerad Suresh, Sockalingam Anbazhagan and Githa Elizabeth Mathew
Affiliation: Department of Pharmaceutical Chemistry Grace College of Pharmacy, Palakkad 678004, Kerala, India.
In the five membered nitrogen containing heterocyclic family, pyrazoline could be recognized as a promising
scaffold for the inhibition of Monoamine oxidase. Substitution at 1, 3 and 5-position of the pyrazoline nucleus displayed a
significant activity towards MAO in the past 15 years. Our study identified the detailed structure activity relationship, the
structural requirement for enzyme interaction and the effect of chirality on the pyrazoline nucleus towards MAO-A and
MAO-B. We propose that the selectivity of pyrazoline nucleus towards MAO isoenzyme depends up on the bulkiness of
the ring in the 1 and 3 position of the scaffold. The current review revealed that the derivatives of pyrazolines have proven
to be versatile pharmacophores for the inhibition of MAO on the basis of existing literatures between (1998-2013).
Keywords: Anti-depressant, MAO-A, MAO-B, chirality, molecular docking.
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