2013•PubMedRequires access

[Study on the chemical constituents from ethyl acetate extract of Micromelum falcatum].

Sheng‐Yu Huang, Xiongming Luo, Jianhua Wang

Abstract

OBJECTIVE: To study the chemical constituents from ethyl acetate extract of Micromelum falcatum. METHODS: The constituents were separated and purified by silica gel, Sephadex LH-20 and HPLC. Their structures were elucidated by spectral analysis (NMR, MS). RESULTS: Ten compounds were isolated and identified as micropubescin (1), phebalosin (2), scopoletin (3), citrubuntin (4), thamnosmonin (5), hopeyhopin (6), arnottinin (7), casegravol (8), 2-methoxy-5-hydroxy cinnamate (9), threo-syringoylglycerol (10). CONCLUSION: Compounds 1 - 10 are obtained from this plant for the first time.

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Key concepts: Scopoletin, Sephadex, Ethyl acetate, Chemistry, Silica gel, Chromatography, Chemical constituents, Organic chemistry