A highly efficient method for the N-alkylation of amino pyrazines: synthesis of hydrophilic red fluorescent dyes

A.R. Poreddy, B. Asmelash, W.L. Neumann, and R.B. Dorshow, “A highly efficient method for the N-alkylation of amino pyrazines: synthesis of hydrophilic red fluorescent dyes,” Synthesis 14, 2383 (2010).