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New antithrombotic aryl-sulfonylthiosemicarbazide derivatives synthesized from natural safrole

DOI: 10.1590/S0103-50531999000500013

Keywords: safrole in synthesis, phenylsulfonylthiosemicarbazide derivative, antithrombotic activity.

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as part of a research program aiming at the synthesis and pharmacological evaluation of novel lead-compounds exploring brazilian abundant natural products, we describe herein the synthesis and the antithrombotic profile of new aryl-sulfonylsemicarbazides and aryl-sulfonylthiosemicarbazides (10a-d). the new derivatives, designed with basis on the molecular hybridization concept, were prepared in good yields from natural safrole (9), isolated from sassafras oil. the anti-aggregating activity of these new derivatives (10a-d) on platelet aggregation induced by adp, collagen, arachidonic acid and u-46619, indicates an important antithrombotic profile for the 6-methyl-3,4-methylenedioxyphenyl-sulfonyl-n-phenylthiosemicarbazide derivative (10d), acting at the arachidonic acid cascade and representing a new lead-compound with antithrombotic activity.


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