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Bioorg Med Chem. 2011 Oct 1;19(19):5756-62. doi: 10.1016/j.bmc.2011.08.033. Epub 2011 Aug 22.

CNS and antimalarial activity of synthetic meridianin and psammopemmin analogs.

Author information

1
Department of Chemistry and Center for Molecular Diversity in Drug Design, Discovery and Delivery, South Florida, Tampa, FL 33620, USA.

Abstract

The marine invertebrate-derived meridianin A, the originally proposed structure for psammopemmin A, and several related 3-pyrimidylindole analogs were synthesized and subsequently investigated for central nervous system, antimalarial, and cytotoxic activity. A Suzuki coupling of an indoleborate ester to the pyrimidine electrophile was utilized to form the natural product and derivatives thereof. The 3-pyrimidineindoles were found to prevent radioligand binding to several CNS receptors and transporters, most notably, serotonin receptors (<0.2 μM K(i) for 5HT(2B)). Two compounds also inhibited the human malaria parasite Plasmodium falciparum (IC(50) <50 μM). Only the natural product was cytotoxic toward A549 cells (IC(50)=15 μM).

PMID:
21907583
DOI:
10.1016/j.bmc.2011.08.033
[Indexed for MEDLINE]

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