• Archives of Pharmacal Research
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• v.10 no.3
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• pp.197-199
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• 1987

Two alkaloids were isolated from an ether-soluble alkaloidal fraction of Panax ginseng. They were identified as 1-carbobutoxy-$\beta$-carboline and 1-carbomethoxy-$\beta$-carboline.

• Archives of Pharmacal Research
• /
• v.8 no.4
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• pp.243-247
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• 1985

A new $\beta$-carboline alkaloid, 1-carbobutoxy-$\beta$-carboline as well as $N_{9}$ -formylharman, 1-carboethoxy-$\beta$-carboline, 1-carbomethoxy-$\beta$- carboline, perloyrine, harman and norharman were isolated from the rhizoma of Polygala tenuifolia Willdenow. The structures were elucidated on the basis of spectroscopic studies and chemical evidence.