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Keywords:

  • Lignans—isolated from Bursera schlechtendalii, structure determination;
  • Bursera schlechtendalii (Burseraceae)—isolation and structure determination of two new lignans;
  • Antitumor activity—isolation and structure determination of two lignans from Bursera schlechtendalii;
  • α-Amyrin—isolated from Bursera schlechtendalii

Abstract

Bursera schlechtendalii (Burseraceae) has shown antitumor activity against the 9KB (adenocarcinoma of nasal pharynx) test system. Two new lignans isolated from the biologically active plant fraction were identified as (—)-trans-2-(3″,4″,5″-trimethoxy-benzyl)-3-(3′,4′-methylenedioxybenzyl)butyrolactone and (—)-trans - 2 - (3″,4″ - dimethoxybenzyl) - 3 - (3′,4′ - methylenedioxybenzyl)butyrolactone. In addition, the triterpene α-amyrin was isolated from the active fraction.