Abstract
Alkyl or aryl o-mercaptophenyl ketones, esters of o-mercaptobenzoic acid and S-esters of o-mercaptothiobenzoic acid were synthesized, expecting their strong chelating ability due to the presence of aromatic mercapto group and double bond of benzene ring. Alkyl or aryl o-mercaptophenyl ketones were unstable and could not be investigated in detail. Esters of o-mercaptobenzoic acid and S-esters of o-mercaptothiobenzoic acid formed a chelate with cobalt, nickel, and copper in a ratio of 3 : 1, 2 : 1, and 1 : 1, respectively. These ligands were sensitive to nickel and palladium.
