Synthesis and bioactivity of O-ethyl pho
โ
Hussein M. Ali; Azza A. Mostafa; Maher F. El-Zohry
๐
Article
๐
1999
๐
John Wiley and Sons
๐
English
โ 212 KB
๐ 1 views
## Synthesis of several O-ethyl phos- phorodiamidates derived from unsubstituted, or 6bromo-, or 6-nitro-3-amino-2-methyl-3H-quinazolin-4-one and either amino acid esters or fatty amines is described. These compounds showed high insecticidal activity toward mosquito larvae, with lethal concentrati