Fluorescent tris-imidazolium sensors for picric acid explosive.

The Journal of organic chemistry (2013-01-12)
Bijan Roy, Arun Kumar Bar, Bappaditya Gole, Partha Sarathi Mukherjee
ABSTRACT

Two new anthracene-functionalized fluorescent tris-imidazolium salts have been synthesized, characterized, and proven to be selective sensors for picric acid, which is a common constituent of many powerful explosives. Theoretical studies revealed an unusual ground-state electron transfer from picrate anion to the sensor molecules.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Picric acid, moistened with water, ≥98%

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