Synthesis and antidepressant-like action of 9-alkoxy-7H-furo[3,2-g]chromen-7-ones in mice

Abstract

The present study describes the chemical synthesis and pharmacological evaluation of a series of 9-alkoxy-7H-furo[3,2-g]-chromen-7-ones. The pharmacological results of these compounds show that nine of them, given orally, reduced the immobility time in the forced swimming test. The results of the open-field test further confirmed that these compounds possessed an antidepressant-like effect. In the 5-hydroxytryptophan induced head-twitch test, 9-(3-chlorobenzyloxy)-7H-furo[3,2-g]chromen-7-one (3m, 40 mg/kg p. o.) significantly increased the cumulative number of head twitches. This finding suggested that the antidepressant-like profile seems to involve the serotonergic system as underlying mechanism.

Key words

Antidepressant - Forced swimming test - Furocoumarin - 5-Hydroxytryptophan - Open-field test - Psoralen, analogues

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