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6-Methoxy-7-methyl-8-oxoguanine, an unusual purine from the ascidian Symplegma rubra
B S Lindsay1, A M Almeida, C J Smith
1Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, SP, Brazil.
Journal of Natural Products
|December 2, 1999
Abstract:
A new purine derivative, 6-methoxy-7-methyl-8-oxoguanine (1), along with 8-oxoadenine (2) and the human metabolite 3-methylxanthine (3), has been isolated from the ascidian Symplegma rubra collected on the southeastern coastline of Brazil. The structures of the three purines were established by analysis of spectroscopic data.
