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Title

Bisguanidine, Bis(2-aminoimidazoline), and Polyamine Derivatives as Potent and Selective Chemotherapeutic Agents against Trypanosoma brucei rhodesiense. Synthesis and in Vitro Evaluation

AuthorsDardonville, Christophe ; Brun, Reto
Issue Date2004
PublisherAmerican Chemical Society
CitationJournal of Medicinal Chemistry 47: 2296- 2307 (2004)
AbstractThe in vitro screening for trypanocidal activity against Trypanosoma brucei rhodesiense of an in-house library of 62 compounds [i.e. alkane, diphenyl, and azaalkane bisguanidines and bis-(2-aminoimidazolines)], which were chosen for their structural similarity to the trypanocidal agents synthalin (1,10-decanediguanidine) and 4,4′-diguanidinodiphenylmethane and the polyamine N1-(3-amino-propyl)propane-1,3-diamine, respectively, is reported. The original synthetic procedure for the preparation of 21 of these compounds is also reported. Most compounds displayed low micromolar antitrypanosomal activity, with five of them presenting a nanomolar inhibitory action on the parasite: 1,9-nonanediguanidine (1c), 1,12-dodecanediguanidine (1d), 4,4′ -bis[1,3-bis(tert-butoxycarbonyl)-2-imidazolidinylimino]diphenylamine (28a), 4,4′-bis(4,5-dihydro-1H-2-imidazolylamino)diphenylamine (28b), and 4,4′-diguanidino-diphenylamine (32b). Those molecules that showed an excellent in vitro activity as well as high selectivity for the parasite [e.g. 1c (IC50 = 49 nM; SI > 5294), 28b (IC50 = 69 nM; SI = 3072), 32b (IC50 = 22 nM; SI = 29.5), 41b (IC50 = 118 nM; SI = 881)] represent new antitrypanosomal lead compounds.
Publisher version (URL)http://dx.doi.org/10.1021/jm031024u
URIhttp://hdl.handle.net/10261/84226
DOI10.1021/jm031024u
Identifiersdoi: 10.1021/jm031024u
issn: 0022-2623
e-issn: 1520-4804
Appears in Collections:(IQM) Artículos
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