1228170-99-7Relevant academic research and scientific papers
Synthesis of Biindole-Diazo conjugates as a colorimetric anion receptor
Lee, Gang Woo,Kim, Nam-Kyun,Jeong, Kyu-Sung
supporting information; experimental part, p. 2634 - 2637 (2010/08/07)
A colorimetric anion receptor based on an indole scaffold has been synthesized by incorporating an azobenzene chromophore to the 5-position of indole. The receptor binds anions by hydrogen bonds which are effectively transmitted through resonance to the chromophore to give rise to color changes. The cyanide ion induced a pronounced color change from light yellow to reddish orange, but less intense or negligible changes were observed with the other anions examined here.
