A new 14,15-dinor-labdane glucoside, named crassoside A (1), was isolated from the aerial parts of Crassocephalum mannii. The structure of 1 was elucidated on the basis of spectroscopic analysis (1H NMR, 13C NMR, HMQC, HMBC and NOEs). Compound 1 demonstrated a low inhibitory effect against COX-1, but was inactive against COX-2.
CITATION STYLE
Hegazy, M. E. F., Aly, A. A., Ahmed, A. A., Pierre, D. C., Tane, P., & Ahmed, M. M. (2008). A new 14,15-dinor-labdane glucoside from Crassocephalum mannii. Natural Product Communications, 3(6), 869–872. https://doi.org/10.1177/1934578x0800300608
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