Two seco-norabietane diterpenes with unique structures, namely abrotafuran and abrotacid, were isolated from the roots of Salvia abrotanoides (Kar.) Sytsma. The compounds were characterized by 1D and 2D NMR spectroscopic techniques, ECD, and HR-ESIMS experiments. Plausible biosynthetic pathways of abrotafuran and abrotacid were proposed. These compounds did not exhibit antimicrobial activity against Staphylococcus aureus and Pseudomonas aeruginosa. However, the rearranged seco-norabietane abrotafuran showed antiproliferative activity on HeLa (cervical carcinoma) and Jurkat (T-cell leukemia) cell lines.
Two seco-norabietane diterpenoids with unprecedented skeletons from the roots of Salvia abrotanoides (Kar.) Sytsma
Donadio, GiulianaInvestigation
;Parisi, ValentinaFormal Analysis
;De Tommasi, NunziatinaConceptualization
2021-01-01
Abstract
Two seco-norabietane diterpenes with unique structures, namely abrotafuran and abrotacid, were isolated from the roots of Salvia abrotanoides (Kar.) Sytsma. The compounds were characterized by 1D and 2D NMR spectroscopic techniques, ECD, and HR-ESIMS experiments. Plausible biosynthetic pathways of abrotafuran and abrotacid were proposed. These compounds did not exhibit antimicrobial activity against Staphylococcus aureus and Pseudomonas aeruginosa. However, the rearranged seco-norabietane abrotafuran showed antiproliferative activity on HeLa (cervical carcinoma) and Jurkat (T-cell leukemia) cell lines.File in questo prodotto:
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