Antileishmanial activity, cytotoxicity and QSAR analysis of synthetic dihydrobenzofuran lignans and related benzofurans

Tipo de material: Texto

TextoSeries ; Bioorganic & Medicinal Chemistry, 13(3), p.661-669, 2005Trabajos contenidos:

Van Miert, S
Van Dyck, S
Schmidt, T.J
Brund, R
Vlietinck, A
Lemiereb, G
Pietersa, L

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Resumen: Abstract-A series of synthetic dihydrobenzofuran lignans and related benzofurans were evaluated for their cytotoxicity in a screening panel consisting of various human tumour cell lines, and for their antiprotozoal activity against L. donovani (axenic amastigotes), chloroquine resistant Plasmodium falciparum (strain K1), Trypanosoma brucei rhodesiense and T. cruzi, and for cytotoxicity on L6 cells. No promising cytotoxicities against human tumour cell lines were observed for newly synthesised compounds, but the dimerisation product of some lipophylic esters of caffeic acid, such as compound 2g, showed a high activity against chloroquine-resistant P. falciparum (strain K1)(IC50 0.43lg/mL)and L. donovani (axenic amastigotes)(IC50 0.12lg/mL), which was confirmed in an infected macrophage assay (IC50 0.19lg/mL). QSAR models for the cytotoxic and antileishmanial activity were generated using Quasar receptor surface modelling.

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Abstract-A series of synthetic dihydrobenzofuran lignans and related benzofurans were evaluated for their cytotoxicity in a screening panel consisting of various human tumour cell lines, and for their antiprotozoal activity against L. donovani (axenic amastigotes), chloroquine resistant Plasmodium falciparum (strain K1), Trypanosoma brucei rhodesiense and T. cruzi, and for cytotoxicity on L6 cells. No promising cytotoxicities against human tumour cell lines were observed for newly synthesised compounds, but the dimerisation product of some lipophylic esters of caffeic acid, such as compound 2g, showed a high activity against chloroquine-resistant P. falciparum (strain K1)(IC50 0.43lg/mL)and L. donovani (axenic amastigotes)(IC50 0.12lg/mL), which was confirmed in an infected macrophage assay (IC50 0.19lg/mL). QSAR models for the cytotoxic and antileishmanial activity were generated using Quasar receptor surface modelling.

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