pKa Modulation in rhodamine based probes for colorimetric detection of picric acid

V. Nagarajan; Bamaprasad Bag

doi:10.1039/C4OB02001D

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pK_a Modulation in rhodamine based probes for colorimetric detection of picric acid†

V. Nagarajan^a and Bamaprasad Bag*^a

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* Corresponding authors

^a Department of Colloids and Materials Chemistry, CSIR-Institute of Minerals and Materials Technology, P. O. R.R.L, Bhubaneswar, India
E-mail: bpbag@immt.res.in
Fax: +91 674 258 1637
Tel: +91 674 237 9254

Abstract

Tuning the pK_a in acid sensitive rhodamine spirolactam derivatives as a function of the solvent medium resulted in the selective detection of picric acid from its lower nitro phenolic analogues and a few other carboxylic acids.

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Article information

DOI: https://doi.org/10.1039/C4OB02001D
Article type: Communication
Submitted: 19 Sep 2014
Accepted: 06 Oct 2014
First published: 06 Oct 2014

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Org. Biomol. Chem., 2014,12, 9510-9513

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pK_a Modulation in rhodamine based probes for colorimetric detection of picric acid

V. Nagarajan and B. Bag, Org. Biomol. Chem., 2014, 12, 9510 DOI: 10.1039/C4OB02001D

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Organic & Biomolecular Chemistry