Design and synthesis of a pyridine based chemosensor: highly selective fluorescent probe for Pb2+

Tayade, K.C.; Fegade, U.A.; Singh, N.; Singh, A.; Sharma, H.; Patil, U.D.; Kuwar, A.S.; Attarde, S.B.

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Design and synthesis of a pyridine based chemosensor: highly selective fluorescent probe for Pb2+

Tayade, K.C.; Kuwar, A.S.; Fegade, U.A.; Sharma, H.; Singh, A.; Singh, N.; Patil, U.D.; Attarde, S.B.

URI: http://localhost:8080/xmlui/handle/123456789/614

Date: 2016-11-24

Abstract:

A pyridine based imine-linked chemosensor has been synthesized and evaluated its binding affinity with library of transition metal ions. It has prominent selectivity towards Pb2+ among other metal ions in DMF/H2O (9:1, v/v) solvent system. The 1:1 stoichiometric was confirmed by job's plot and has a binding constant (Ka) = 5.142 × 103 M-1 on fluorescence. A B3LYP/6-31G and B3LYP/LanL2DZ basis sets were employed for optimization of 3 and 3.Pb 2+.

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