An amide possessing insecticidal properties from the roots of Erigeron affinis DC

Acree, F.; Jacobson, M.; Haller, H.L.

Jour Organic Chem 10(3): 236-242


DOI: 10.1021/jo01179a014
Accession: 030004076

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The petroleum ether extract prepd. from the ground roots of the Mexican plant E. affinis contained constitutents toxic to the codling moth larvae, mosquito, several leaf-eating insects and houseflies. The active ingredient, called affinin, isolated from the petroleum ether extracts has these physical constants: b.p. 160-165° at 0.3-0.5 mm.; nD27 1.5128; γmax. 2285 A; .