Unsymmetrically Substituted Leuco-Triarylmethane Molecules Formed from the Reaction of a Fischer's Base and α,β-Unsaturated Iminium Salts via a Michael-Type Reaction

E-mail: keum@korea.ac.krReceived January 14, 2013, Accepted February 22, 2013Key Words : Triarylmethane, Malachite green, Carbinol, Michael-type addition, α,β-unsaturated iminium saltsTriarylmethane (TAM) compounds, also known as “leuco-TAM” (LTAM), are used in a variety of chemical, pharma-ceutical, and life science industries, including thermal imag-ing and carbonless copying materials.

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