Anticoccidials. I. Syntheses and anticoccidial activity of 2-amino-5-aryl-1,3,4-oxadiazoles, 5-alkoxy-3-aryl-1H-1,2,4-triazoles, and 3-aryl-.DELTA.2-1,2,4-triazolin-5-ones.
A series of 2-amino-5-aryl-1,3,4-oxadiazoles, 5-alkoxy-3-aryl-1H-1,2,4-triazoles and 3-aryl-.DELTA.2-1,2,4-triazolin-5-ones were prepared and their anticoccidial activity was tested. 5-(3,4-Dichlorophenyl)- and 5-(2,4,5-trichlorophenyl)-2-amino-1,3,4-oxadiazoles,3-(3,4-dichlorophenyl)- and 3-(2,4-dichlorophenyl)-5-ethoxy-1H-1,2,4-triazoles, and 3-(4-bromophenyl)-, 3-(4-chlorophenyl)- and 3-(2,4-dichlorophenyl)-.DELTA.2-1,2,4-triazolin-5-ones showed moderate anticoccidial activity.