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Structural variations of piritrexim, a lipophilic inhibitor of human dihydrofolate reductase: synthesis, antitumor activity and molecular modeling investigations.

Abstract：

:Piritrexim (PTX) (1), a lipophilic inhibitor of the human dihydrofolate reductase, has been evaluated as an anticancer agent. The synthesis of four structural variations (2-5) of PTX is reported. The PTX analogues 2-5 were obtained by reaction of suitable C3-building blocks with pyrimidine-2,4,6-triamine (14) or with cyanacetamide (7) and guanidine (10). The evaluation of 2-4 for antitumor activity against a panel of 60 human cancer cell lines showed inhibitory effects on the growth of the cell lines. These data are supported by molecular modeling and docking studies, which show that compounds 2-4 share the same binding mode within the DHFR active site. Moreover, the estimated ligand binding energies are in good agreement with the experimental activity data.

journal_name

Eur J Med Chem

journal_title

European journal of medicinal chemistry

authors

Zink M,Lanig H,Troschütz R

doi

10.1016/j.ejmech.2004.09.001

subject

Has Abstract

pub_date

2004-12-01 00:00:00

pages

1079-88

issue

12

eissn

0223-5234

issn

1768-3254

pii

S0223-5234(04)00176-X

journal_volume

39

pub_type

杂志文章

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