Synthesis and antitrypanosomal evaluation of E-isomers of 5-nitro-2-furaldehyde and 5-nitrothiophene-2-carboxaldehyde semicarbazone derivatives. structure-activity relationships.

Abstract:

:Several novel semicarbazone derivatives were prepared from 5-nitro-2-furaldehyde or 5-nitrothiophene-2-carboxaldehyde and semicarbazides bearing a spermidine-mimetic moiety. All derivatives presented the E-configuration, as determined by NMR-NOE experiments. These compounds were tested in vitro as potential antitrypanosomal agents, and some of them, together with the parent compounds, 5-nitro-2-furaldehyde and 5-nitrothiophene-2-carboxaldehyde semicarbazone derivatives, were also evaluated in vivo using infected mice. Structure-activity relationship studies were carried out using voltammetric response and lipophilic-hydrophilic balance as parameters. Two of the compounds (1 and 3) displayed the highest in vivo activity. A correlation was found between lipophilic-hydrophilic properties and trypanocidal activity, high R(M) values being associated with low in vivo effects.

journal_name

Eur J Med Chem

authors

Cerecetto H,Di Maio R,González M,Risso M,Sagrera G,Seoane G,Denicola A,Peluffo G,Quijano C,Stoppani AO,Paulino M,Olea-Azar C,Basombrío MA

doi

10.1016/s0223-5234(00)00131-8

subject

Has Abstract

pub_date

2000-03-01 00:00:00

pages

343-50

issue

3

eissn

0223-5234

issn

1768-3254

pii

S0223-5234(00)00131-8

journal_volume

35

pub_type

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