ChemInform Abstract: Desymmetrization Reactions: A Convenient Synthesis of Aromatic Diamide Diamines.
Abstract
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ChemInform Abstract
The synthesis of various diamine diamides (III) derived from diaminobenzenes is described, involving their reaction with bis(thiazolidinethiones) (I) under mild reaction conditions. When substituted diaminobenzene derivatives like (IV) are used, the amidation reactions proceed with exclusive regioselectivity (product structure is not given). 2,3-Diaminonaphthalene does not undergo amidation reaction, probably due to its low nucleophilicity.
