Diaryldistyrylpyrazines: Solvatochromic and Acidochromic Fluorophores

V Schmitt, S Moschel, H Detert

Index: Schmitt, Volker; Moschel, Sebastian; Detert, Heiner European Journal of Organic Chemistry, 2013 , # 25 p. 5655 - 5669

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Citation Number: 10

Abstract

Abstract Diaryldimethylpyrazines are the starting materials for the synthesis of C 2-symmetric donor-or acceptor-substituted distyrylpyrazines. The optical properties of these cruciform- shaped dyes are dominated by the distyrylpyrazine units; the photophysics is controlled by the styryl substitution, the diaryl substituents on the central pyrazine only having a small effect. Protonation occurs on the pyrazine and/or lateral amines or azines, thereby altering ...