| abstract |
New dithiocarbamates of the formula: <IMAGE> (I) in which R1 is hydrogen or halogen in the 4-, 5- or 6-position, n is equal to 0 or 1, R2 represents hydrogen or various aliphatic or aromatic radicals which may be substituted, R3 represents hydrogen or various aliphatic radicals, and R4 represents a hydrogen atom or an alkyl radical, their optically active forms, and their salts, when such salts exist, are valuable anthelmintic agents. They may be made inter alia by reduction of the corresponding ketones. |