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SAGE Publications, Natural Product Communications, 6(3), p. 1934578X0800300, 2008

DOI: 10.1177/1934578x0800300608

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A new 14,15-dinor-labdane glucoside from Crassocephalum mannii

Journal article published in 2008 by Mohamed-Elamir F. Hegazy ORCID, M. E. F., Ashraf A. Aly, A. A., Ahmed A. Ahmed, Djemgou C. Pierre, D. C., Pierre Tane, Mehawed M. Ahmed, M. M.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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.