Zanthoxoaporphines A–C: Three new larvicidal dibenzo[de,g]quinolin-7-one alkaloids from Zanthoxylum paracanthum (Rutaceae)

• Fidelis N. Samita,
• Louis P. Sandjo,
• Isaiah O. Ndiege,
• Ahmed Hassanali and
• Wilber Lwande

Beilstein J. Org. Chem. 2013, 9, 447–452, doi:10.3762/bjoc.9.47

• , P.O. Box 812 Yaoundé, Cameroon Behavioural and Chemical Ecology Department, International Centre for Insect Physiology and Ecology, P.O. Box 30772, Nairobi 00100, Kenya 10.3762/bjoc.9.47 Abstract The bioassay-guided purification of Zanthoxylum paracanthum (Rutaceae) extracts led to the isolation of

• activity of some of the isolated compounds was investigated by using third-instar Anopheles gambiae larvae. Keywords: alkaloids; larvicidal activity; Zanthoxylum paracanthum; Introduction Zanthoxylum paracanthum is a tree belonging to the Rutaceae family. The mature tree is at least 10 m tall. It has