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Iridoid and seco-iridoid glucosides from Chioccoca alba (Rubiaceae)
C A Carbonezi1, D Martins, M C Young
1Instituto de Química, Universidade Estadual Paulista, Araraquara, SP, Brazil.
Phytochemistry
|July 2, 1999
Abstract:
Phytochemical investigation of Chioccoca alba afforded three new iridoids, alboside I, alboside II and alboside III, and a new seco-iridoid alboside V. Alboside IV showed moderate activity towards the DNA repair-deficient mutant RS321 of Saccharomyces cerevisiae. The structural elucidation of the new compounds was performed by ES-MS and by 1D and 2D NMR spectroscopic methods.