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Short Communication Open Access
Although 5-HT 1A antagonists are known to be useful in the treatment of depression, no specific 5-HT 1A antagonist is available clinically. Propranolol is one of the important ligands acting at the presynaptic 5-HT 1A receptor. This article deals with the design of 5-HT 1A antagonists based on propranolol using the pharmacophoric requirements of the receptor and the other SAR data, synthesis of these compounds and their preliminary evaluation for the 5-HT 1A antagonistic activity against a specific partial agonist. This was done by measuring the reversal of agonist-induced hypothermia in mice. The synthesized compounds showed a promising 5-HT 1A antagonistic activity.