From the EtOH extract of the stem bark of Mitrella kentii (Annonaceae), two new terpenylated dihydrochalcones were isolated, namely (−)-neolinderatin ( 1 ) and (−)-linderatin ( 2 ), together with known compounds 2‘,6‘-dihydroxy-4‘-methoxydihydrochalcone and (+)-catechin. Their structures were elucidated by means of combined analytical methods including HREIMS, DC, 1D, and 2D NMR spectroscopies.
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Benosman et al. (1997) studied this question.
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