Chemical constituents in the introduced Coleus forskohlii / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents in the introduced Coleus forskohlii.</p><p><b>METHOD</b>The chemical constituents were isolated by column chromato-graphy. The structures were elucidated on the basis of IR, MS, 1H-NMR and 13C-NMR experiments.</p><p><b>RESULT</b>Eight compounds were obtained, the structures of which were identified as cytochalasin B (1), N-benzoyl-L-phenylalaninol (2), 3,6-dibenzyl-2,5-dioxopiperazine (3), 2-furoic acid (4), vanillic acid (5), loliolide (6) and forskolin D (7).</p><p><b>CONCLUSION</b>Compounds 1-6 were isolated from the genus Coleus for the first time.</p>