[Study on the chemical constituent from Buddleja purdomii].

OBJECTIVE: To study the chemical constituents from Buddleja purdomii W. W. Smith. METHODS: The constituents were isolated and purified by various chromatographic methods and structurally identified by spectral analysis. RESULTS: 4 compounds were identified as vanillin (I), vanillic acid (II), acteoside (III), acteoside isomer (IV). CONCLUSION: All these compounds were obtained from this plant for the first time.