It was not necessary to extract the formaldehyde derivative from the reaction solution by organic solvent.

The quantitative relationship between the structure of benzaldehyde derivatives,benzoic acid derivatives,benzaldehyde thiosemicarbazone derivatives,and their inhibitory activities against phenoloxidase(PO) from Pieris rapae larvae were analyzed using Hansch-Fujita approach.

Solid-phase synthesis and spectral characterization of Schiff bases derived from adamantaneamine and benzaldehyde derivant;