abstract |
ABSTRACT OF THE DISCLOSURE Novel optically-active derivatives of 6-(m-aminophenyl)-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole(m-aminotetramisole], which are useful anthelmintic agents, are disclosed, and also a process for the preparation thereof which comprises acylating the d1- or 1- form of 6-(m-aminophenyl)-2,3,5,6-tetrahydroimidazo-[2,1-b]thiazole(m-aminotetramisole) with a halonicotinic acid or a functional equivalent thereof. |