Journal
DALTON TRANSACTIONS
Volume 43, Issue 35, Pages 13299-13306Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt01516a
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Funding
- DST, New Delhi, India [CS-088/2013]
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An imatinib intermediate, 6-methyl-N-[4-(pyridin-3-yl)pyrimidin-2-yl]benzene-1,3-diaminepyridopyrimidotoluidine (PPT-1), was developed for the colorimetric sensing of Cu2+ ions in aqueous solution. With Cu2+, the receptor PPT-1 showed a highly selective naked-eye detectable color change from colorless to red over the seventy other tested cations. The colorimetric sensing ability of PPT-1 was successfully utilized in the preparation of test strips and supported silica for the real samples analysis to detect Cu2+ ions from 100% aqueous environment. Moreover, the iodide-sensing ability of receptor PPT-1 was explored among the ten examined anions.
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