Epoxychiromodine and other constituents of croton megalocarpus
Thoithi, Grace N.
Mwangi, Julius W.
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A novel clerodane-type diterpene with a 6,7-oxirane group has been isolated from Croton meqalocarpus. structure elucidation has been achieved by a combination of spectroscopic measurements including 2D NMR and NOE experiments. In addition, 3-0-acetoacetyllupeol, a novel triterpene ester, the triterpene O-acetyl aleuritolic acid, and long chain esters of E-ferulic acid with C24-, C26- and C2s-alcohols were also isolated and characterized by spectroscopic methods