Isolation, characterization, and biological activity of naphthoquinones from Calceolaria andina L.

被引：44

作者：

Khambay, BPS ^{[1
]}

Batty, D

Cahill, M

Denholm, I

Mead-Briggs, M

Vinall, S

Niemeyer, HM

Simmonds, MSJ

机构：

[1] IACR Rothamsted, Biol & Ecol Chem Dept, Harpenden AL5 2JQ, Herts, England

[2] Univ Southampton, Agrochem Evaluat Unit, Southampton SO16 7PX, Hants, England

[3] Univ Chile, Fac Ciencias, Dept Ciencias Ecol, Santiago, Chile

[4] Royal Bot Gardens, Jodrell Lab, Richmond TW9 3DS, Surrey, England

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 1999年 / 47卷 / 02期

关键词：

naphthoquinones; Calceolaria; insecticides; botanical; resistance-defeating;

D O I：

10.1021/jf980769j

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Two compounds recognized as responsible for the insecticidal activity of extracts of Calceolaria andina L. (Scrophulariaceae) have been isolated and characterized as 2-(1,1-dimethylprop-2-enyl)3-hydroxy-1,4-naphthoquinone and the corresponding acetate, 2-acetoxy-3-(1,1-dimethylprop-2-enyl)-1,4-naphthoquinone. Their activities against 29 pest species and 9 beneficial species of arthropod from a total of 11 orders have been determined. Activities against homopteran and acarine species are of the same order as those of established pesticides, and, significantly, no cross-resistance is observed for strains resistant to established classes of insecticide. Mammalian toxicities are low.

引用

页码：770 / 775

页数：6

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