American Cyanamid Company

John J Hand

Roger W Addor

Donald P Wright, Jr

Jack K Siddens

Larry Dean Spicer

The invention is insecticidal diaminoguanidine hydrazone compounds which are also effective antifeeding agents for insects and methods for their preparation.

Insecticidal diaminoguanidine hydrazone compounds

Insecticidal uses of diaminoguanidine hydrazone compounds

Foam-head shuttlecock

The preparation of dl and l compounds of the type 6-(mono and di-substituted phenyl)-5,6-dihydro or 2,3,5,6-tetrahydroimidazo[2,1-b]thiazoles and the pharmaceutically acceptable salts thereof, is described. The use of said compounds for treating helminthiasis in warm-blooded animals is also described.

6-Substituted amino phenyl-2,3,5,6-tetrahydro[2,1-b]thiazoles

The preparation of compounds of the type 6-(mono substituted phenyl)-5,6-dihydro or 2,3,5,6-tetrahydroimidazo[2,1-b]thiazoles and the pharmaceutically acceptable salts thereof, is described. The use of said compounds for treating helminthiasis in warm-blooded animals is also described.

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Lawrenceville, NJ, United States of America

John J Hand