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Dichotenone-a and -b: two new enones from the marine brown alga Dictyota dichotoma (Hudson) Lamour
Authors:Ali Muhammad Shaiq  Pervez Muhammad Kashif  Saleem Muhammad  Ahmed Farman
Institution:H.E.J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan.
Abstract:Marine brown alga Dictyota dichotoma (Dictyotaceae) collected from Karachi coast of Arabian Sea yielded two new (1 and 2) enones (dolastane-diterpenoids) named: dichotenone-A and -B along with an olide (loliolide, 3) as a new source. Their structures have been characterized with the aid of 2D-NMR spectroscopic techniques.
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