Key indicatorsSingle-crystal X-ray study T = 293 K Mean '(C±C) = 0.003 A Ê R factor = 0.043 wR factor = 0.126 Data-to-parameter ratio = 14.3For details of how these key indicators were automatically derived from the article, see
The QSAR study of 34 2-aryl-naphthoimidazoles screened so far revealed that is the most important factor for their lytic activity on the bloodstream trypomastigote forms of, the etiologic agent of Chagas disease. Based on this result, 16 new -alkyl-naphthoimidazoles derived from 6,6-dimethyl-3,4,5,6-tetrahydrobenzo[7,8]chromene[5,6-]imidazole (the product of the reaction of β-lapachone with paraformaldehyde) by its reaction with halo-alkanes were prepared and evaluated against the parasite and peritoneal macrophages. The 1--hexyl and 3--hexyl naphthoimidazoles were 2.2 and 3.2 times more active than the standard drug benznidazole with selectivity indices of 2.7 and 13.4, respectively.
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