Studies on the alkaloids from herb of Corydalis adunca / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the alkaloid constituents of Corydalis adunca.</p><p><b>METHOD</b>The constituents were isolated on silica gel column and their structures were elucidated by IR, NMR, MS data.</p><p><b>RESULT</b>Four alkaloid compounds were isolated from alcohol extract of the herb of C. adunca, and identified as tetrahydropalmatine, 1, 2, 3, 4-tetrahydro-6-methoxy-1-(4'-methoxyphenyl) methyl-7-isoquinolinol, coptisine and palmatine.</p><p><b>CONCLUSION</b>Four compounds were isolated from C. adunca for the first time.</p>