M. Boger et al., Synthesis and structure-activity relationships of benzophenone hydrazone derivatives with insecticidal activity, PEST MAN SC, 57(2), 2001, pp. 191-202
A broad range of benzophenone hydrazone derivatives was prepared and tested
against selected chewing insect pests, allowing the analysis of structure-
activity relationships. Good activity was found only when the aromatic ring
s were substituted at the 4-positions with an halogen atom and a triflate o
r perhaloalkoxy group. In contrast, a number of substituents on the hydrazo
ne part led to active compounds, the best results being achieved with acyl-
type substituents. The excellent laboratory and greenhouse activity of the
best representatives was confirmed in semi-field trials against Spodoptera
littoralis. (C) 2001 Society of Chemical Industry.