Naphthoquinone derivatives

Details Naphthoquinone derivatives Naphthoquinone derivatives

C - Chemistry, Metallurgy

07

C

C07C 50/14 (2006.01) A01N 35/06 (2006.01) A01N 65/00 (2006.01) C07C 46/00 (2006.01) C07C 46/10 (2006.01) C07C 50/32 (2006.01) A01N 37/02 (2006.01) C07C 69/013 (2006.01)

Patent

CA 2190152

The invention relates to certain naphthoquinone derivatives, some of which are novel, of general formula (I) in which R represents a hydrogen atom or a hydroxyl or an ethanoyloxy group, methods for their preparation; compositions containing such compounds and their use as pesticides, such as fungicides and, especially, insecticides and acaricides. Compounds of formula (I) may be derived from plants of the genus Calceolaria and the invention therefore also relates to extracts of a Calceolaria species and their use as pesticides.

L'invention concerne certains dérivés de naphtoquinone, certains étant nouveaux, de formule générale (I) où R représente un atome d'hydrogène ou un groupe hydroxyle ou éthanoyloxy, ainsi que des procédés concernant leur préparation, des compositions contenant de tels composés et leur utilisation en tant que pesticides, tels que des fongicides et particulièrement des insecticides et des acaricides. On peut tirer ces composés de formule (I) de plantes du genre Calceolaria et l'invention concerne donc aussi des extraits d'une espèce de Calceolaria et leur utilisation comme pesticides.

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