Abstract
AbstractThe 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 Hg2+and Cr2+ respectively.
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