Chemical Study of Alkaloids from Corydalis conspersa

Fang Qicheng; Lin Mao; Weng Qingmei

doi:10.1055/s-2007-969612

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Planta Med 1984; 50(1): 25-27
DOI: 10.1055/s-2007-969612

Research Articles

Chemical Study of Alkaloids from Corydalis conspersa

Fang Qicheng, Lin Mao, Weng Qingmei

Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, People's Republic of China

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Publication Date:
26 February 2007 (online)

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Abstract

From the whole plant of Corydalis conspersa, four benzo[c]-phenanthridine-type alkaloids were isolated. Three of these were identified as corynoline, acetylcorynoline and corynoloxine. The fourth is a new alkaloid, named consperine. Its structure, C₂₆H₂₇NO₇, has been established to be 6-acetonylacetylcorynoline on the basis of spectral data and chemical synthesis. The configuration of acetonyl group in consperine is also discussed.