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Facile Preparation of 4-Substituted Quinazoline Derivatives
Published on: February 15, 2016
New pentasubstituted pyrrole hybrid atorvastatin-quinoline derivatives with antiplasmodial activity
Rita C C Carvalho1, Wagner A Martins2, Tayara P Silva3
1Departamento de Síntese de Fármacos, Instituto de Tecnologia em Fármacos, Farmanguinhos-FIOCRUZ, Rua Sizenando Nabuco 100, Manguinhos, Rio de Janeiro, RJ 21041-250, Brazil; Programa de Pós Graduação em Química, PGQu Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Abstract:
Cerebral malaria is caused by Plasmodium falciparum. Atorvastatin (AVA) is a pentasubstituted pyrrole, which has been tested as an adjuvant in the treatment of cerebral malaria. Herein, a new class of hybrids of AVA and aminoquinolines (primaquine and chloroquine derivatives) has been synthesized. The quinolinic moiety was connected to the pentasubstituted pyrrole from AVA by a linker group (CH2)n=2-4 units. The activity of the compounds increased with the size of the carbons chain. Compound with n=4 and 7-chloroquinolinyl has displayed better activity (IC50=0.40 μM) than chloroquine. The primaquine derivative showed IC50=1.41 μM, being less toxic and more active than primaquine.
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