Chemical constituents from Ainsliaea bonatii / 中国药学杂志

ABSTRACT

OBJECTIVE: To study the chemical constituents in Ainsliaea bonatii. METHODS: The column chromatographic techniques were used to isolate the constituents in A. bonatii. EI-MS and NMR were used to identify the constituents structures. RESULTS: Seven compounds were isolated and identified from the extract of A. bonatii, whose structures were elucidated as taraxasterol (1), β-sitosterol (2), nodakenetin (3), 1, 4-benzenediol (4), daphnetin (5), apigenin (6) and β-arbutin (7). CONCLUSION: Compounds 1-5 and 7were isolated for the first time from this plant, and 1, 3-5 were isolated for the first time from Ainsliaea genus.