Synthesis, antitumor, antitrypanosomal and antileishmanial activities of benzo[4,5]canthin-6-ones bearing the N'-(Substituted benzylidene)-carbohydrazide and N-Alkylcarboxamide groups at C-2.

Abstract:

:A series of novel benzo[4,5]canthin-6-ones, bearing the N'-(substituted benzylidene)-carbohydrazide (11a-e) and N-alkylcarboxamide (13a-g) moieties at position-2, were synthesized and screened for their in vitro antitumor activity, against seven human cancer cell lines, and for antitrypanosomal and antileishmanial activities against Trypanosoma cruzi and Leishmania amazonensis. The results indicated that N-methylpiperazyl-6-oxobenzo[4,5]canthine-2-carboxamide (13f) displayed potent antitumor activity with IC(50) values in the range of 1.15-8.46 µM for all cell lines tested. Compounds 13f and 13g bearing an N-methylpiperazylcarboxamide and N-morpholylcarboxamide at C-2, respectively, showed potent activities towards both Trypanosoma cruzi and Leishmania amazonensis parasites, with IC(50) in the range of 0.4 to 16.70 µM.

authors

Leite Silva CM,Garcia FP,Rodrigues JH,Nakamura CV,Ueda-Nakamura T,Meyer E,Ruiz AL,Foglio MA,de Carvalho JE,da Costa WF,Sarragiotto MH

doi

10.1248/cpb.c12-00356

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

1372-9

issue

11

eissn

0009-2363

issn

1347-5223

pii

DN/JST.JSTAGE/cpb/c12-00356

journal_volume

60

pub_type

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