Journal
CHEMISTRYSELECT
Volume 6, Issue 31, Pages 7873-7879Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202101780
Keywords
Chemosensor; Chromium; Detection; Mercury; Quinazolinones
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Funding
- Deanship for Research and Innovation, Ministry of Education, Saudi Arabia [IFP-2020-12]
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The behavior of 2-benzyl-4H-3,1-benzoxazin-4-one towards nitrogen nucleophiles and carbon electrophiles, and the evaluation of novel synthesized compounds as chemosensors for detecting metal ions were investigated. The compounds showed high selectivity for detecting Hg(2+) and Cr2+ ions, indicating their potential application as optical sensors.
The behaviour of 2-benzyl-4H-3,1-benzoxazin-4-one towards nitrogen nucleophiles namely, amino acids, aromatic amines, sodium azide, and secondary amines has been investigated. Also the reaction of 3-amino-2-benzylquinazolin-4(3H)-one and 2-[2-benzyl-4-oxoquinazolin-3(4H)-yl]acetohydrazide with carbon electrophiles has been discussed. As well as The novel synthesized compounds were evaluated as chemosensor for detecting formyl, carbonyl group and revealed high-selectivity and specificity to detect metals ions in water samples and, agricultural crops. Qualitative and quantitative assays indicated appreciable selectivity of novel compounds 13 and 15 as a chemo sensor for Optical detection of Hg(2+)and Cr2+ respectively.
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