Abstract
It was found that 2-methylpiperazine-carbon disulfide complex (I) obtained by the reaction of 2-methylpiperazine (II) with carbon disulfide was not 2-methylpiperazine-1-carbodithioic acid, but a mixture composed of 3-methylpiperazine-1-carbodithioic acid (VIII) and 2-methylpiperazine salt of 2-methylpiperazine-1, 4-dicarbodithioic acid (IX), and moreover that there was no possibility of disproportionation between VIII and IX during the treatment.
