1H-indole-based chemosensors for the sequential recognition of Hg2+ and CN− ions

Volume: 84, Pages: 132030
Published: Mar 26, 2021
Abstract
null null Сhemosensors based on 1H-indole, 1H-benzo[e]indole, and 1H-benzo[g]indole were synthesized. According to 1H, 13C NMR, X-ray diffraction study and DFT calculations, they exist predominantly in keto form, which absorbs at 371–404 nm and exhibit a low-intensity fluorescence at 454–527 nm. Recognition of Hg2+ cations in acetonitrile results in a bathochromic shift of the long-wave absorption band by ∼20 nm, accompanied by a “naked-eye”...
Paper Details
Title
1H-indole-based chemosensors for the sequential recognition of Hg2+ and CN− ions
Published Date
Mar 26, 2021
Volume
84
Pages
132030
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