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[Chemical constituents of Isodon macrophyllus (II)].

Zhi‐An He, Zheng-yue Chen, Yongxue Wang, Qiu Pei-yong, Ji-xia Zhang

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Abstract

OBJECTIVE: To study the chemical constituents of Isodon macrophyllus. METHODS: Compounds were spearated and purified by silica gel column chromatography and their structures were elucidated on the basis of spectral data and chemical evidences. RESULTS: Six compounds were obtained from EtOAc extract of leaves of Isodon macroplhllus and identified as rabdophyllin H(I), lushan-ruhescensins F(II), maovecrystal J(III), Taibaijap onicain A(IV), rabdosinate(V), dancostero(VI). CONCLUSION: Co mpounds II-IV were isolated from this plant for the first time.

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What this paper is about

OBJECTIVE: To study the chemical constituents of Isodon macrophyllus. METHODS: Compounds were spearated and purified by silica gel column chromatography and their structures were elucidated on the basis of spectral data and chemical evidences. RESULTS: Six compounds were obtained from EtOAc extract of leaves of Isodon macroplhllus and identified as rabdophyllin H(I), lushan-ruhescensins F(II), maovecrystal J(III), Taibaijap onicain A(IV), rabdosinate(V), dancostero(VI). CONCLUSION: Co mpounds II-IV were isolated from this plant for the first time.

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Available abstract

OBJECTIVE: To study the chemical constituents of Isodon macrophyllus. METHODS: Compounds were spearated and purified by silica gel column chromatography and their structures were elucidated on the basis of spectral data and chemical evidences. RESULTS: Six compounds were obtained from EtOAc extract of leaves of Isodon macroplhllus and identified as rabdophyllin H(I), lushan-ruhescensins F(II), maovecrystal J(III), Taibaijap onicain A(IV), rabdosinate(V), dancostero(VI). CONCLUSION: Co mpounds II-IV were isolated from this plant for the first time.

Key concepts: Chemistry, Silica gel, Chemical constituents, Column chromatography, Chromatography

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