Eucophylline, a tetracyclic vinylquinoline alkaloid from leuconotis eugenifolius

• Main Authors: Deguchi, J., Shoji, T., Nugroho, A.E., Hirasawa, Y., Hosoya, T., Shirota, O., Awang, Khalijah, Hadi, A.H.A., Morita, H.
• Format: Article
• Published: American Chemical Society 2010
• Subjects: Q Science (General)
• Online Access: http://eprints.um.edu.my/12249/
• Institution: Universiti Malaya

Eucophylline (1), a new tetracyclic vinylquinoline alkaloid, was isolated from the bark of Leuconotis eugenifolius together with leucophyllidine (2). The structure and absolute configuration of 1 were elucidated on the basis of 2D NMR correlations and simulated CD analysis. Leucophyllidine (2) showe...