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  • Title: 7,7-Dimethylaporphine and Other Alkaloids from the Bark of Guatteria friesiana.
    Author: Costa EV, Pinheiro ML, Maia BH, Marques FA, Ruiz AL, Marchetti GM, Carvalho JE, Soares MB, Costa CO, Galvão AF, Lopes NP, Koolen HH, Bezerra DP, Barison A.
    Journal: J Nat Prod; 2016 Jun 24; 79(6):1524-31. PubMed ID: 27300257.
    Abstract:
    Phytochemical investigation of the bark of Guatteria friesiana afforded 12 new aporphines (1-12), along with nine known alkaloids (13-21). The structures of the new alkaloids were determined on the basis of spectroscopic data interpretation. The cytotoxic activity of the isolated compounds against a small panel of tumor cell lines was assessed using the Alamar blue assay.
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