Chemical constituents from Hydrangea macrophylla / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To investigate chemical constituents from Chinese herbal medicine Hydrangea macrophylla.</p><p><b>METHOD</b>The compounds were separated and purified by column chromatography over silica gel, ODS, and preparative HPLC. Their structures were identified by spectral methods including 1H, 13C-NMR and MS.</p><p><b>RESULT</b>Eleven compounds were isolated and identified as zeorin, hopane-6, 22-diol (1), botulin (2), betulinic acid (3), 2-ethyl-3-methyl-maleimide-N-beta-D-glucopyranoside (4), uridine (5), thymidine (6), adenosine (7), nicotinamide (8), methyl pyroglutamate (9), hydrangenol (10) and hydrangenol-4'-O-beta-D-glucopyranoside (11), respectively.</p><p><b>CONCLUSION</b>Compounds 14 and 7-9 were obtained from the genus Hydrangea for the first time.</p>