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Convergent Synthesis of Betaine-30, a Solvatochromic Dye

Book ID
125975348
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
82 KB
Volume
73
Category
Article
ISSN
0021-9584

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## Abstract Two methods for the synthesis of __N__‐[4‐(2,4,6‐triphenyl‐1‐pyridinio)phenyl]‐__p__‐toluenesulfonaminide (4), a new betaine dye with positive and negative charges at two nitrogen atoms separated by an aromatic ring, are described. 4 displays a negative solvatochromic effect slightly sm