Raman spectroscopy study of artemisinin

Abstract

FT-Raman, normal Raman spectra of artemisinin in solid state and surface-enhanced Raman scattering (SERS) spectra of 1 ?10-5 mol/L artemisinin aqueous solution were recorded. 1756 Cm-1 hexat. lactonic ring vibration which was shown strong in FT-Raman and normal Raman spectra disappeared in SERS spectra. This phenomenon appeared to result from the broken of lactonic ring. The adsorption orientation of artemisinin on silver was deduced according to the change of 1756 cm-1 lactonic ring vibration and the frequency shift of 724 cm-1 peroxide group vibration. The interaction between artemisinin and hemin was also studied using SERS spectra. The adsorption of artemisinin on silver had evident change after addition of hemin.

Key words: SILVER, ARTEANNUIN, FOURIER TRANSFORM SPECTROSCOPY, SURFACES ADSORPTION, SURFACE ENHANCED RAMAN SCATTERING, RAMAN SPECTROMETRY, H(A)EMIN

CLC Number:

O657

Cite this article

GU RENAO;HU XIAO. Raman spectroscopy study of artemisinin[J]. Acta Chimica Sinica, 1993, 51(5): 481-484.

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青蒿素的Raman光谱研究