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Synthesis of isomeric azo disperse dyes of pyridobenzimidazole—part II

✍ Scribed by D.V. Dikshit; K.D. Deodhar


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
446 KB
Volume
6
Category
Article
ISSN
0143-7208

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## Abstract 3‐Amino‐2‐cyano‐4,6‐disubstituted‐thieno{2,3‐b}pyridines and 3‐aminopyridine were diazotized and coupled with 2‐phenylindole, 2‐methylindole, and 1‐methyl‐2‐phenylindole, respectively. These dyes were characterized by UV‐Visible, FT‐IR, ^1^H NMR, and mass spectroscopic techniques. Solve