Synthesis and activity studies of analogues of the rat selective toxicant norbormide

Bioorganic & Medicinal Chemistry
David RennisonMargaret A Brimble


Norbormide [5-(alpha-hydroxy-alpha-2-pyridylbenzyl)-7-(alpha-2-pyridylbenzylidene)-5-norbornene-2,3-dicarboximide] (NRB, 1), an existing but infrequently used rodenticide, is known to be uniquely toxic to rats but relatively harmless to other rodents and mammals. A series of NRB-related analogues were prepared to investigate the structural features responsible for, and the in vitro biological markers indicative of, in vivo lethality of the parent molecule in rats. Their synthesis and biological evaluation (vasoconstriction, vasodilation, mitochondrial dysfunction, cardiotoxicity and lethality) is described.


Sep 1, 1971·European Journal of Pharmacology·J Yelnosky, R Lawlor
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Jun 15, 2005·Biochimica Et Biophysica Acta·Fernanda RicchelliSergio Bova

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