Cytotoxic Guanidine Alkaloids from Pterogyne nitens
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Amer Chemical Soc
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As part of a bioprospecting program aimed at the discovery of potential anticancer drugs, two new guanidine-type alkaloids, nitensidines D and E (1, 2), and the known pterogynine (3), pterogynidine (4), and galegine (5), were isolated from the leaves of Pterogyne nitens. The structures of I and 2 were established on the basis of spectroscopic data interpretation. These compounds were tested against a small panel of human cancer cell lines. Compound 2 exhibited cytotoxicity for HL-60 (human myeloblastic leukemia) and SF-245 (human glioblastoma) cells.
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Journal of Natural Products. Washington: Amer Chemical Soc, v. 72, n. 3, p. 473-476, 2009.
