A new tabun specific visual detection protocol is reported. The chemodosimeter fluorescein-hydroxamate aldehyde undergoes tandem nucleophilic substitution followed by cyanohydrin reaction with DCNP and shows a specific spectroscopic behaviour. The probe molecule clearly distinguishes tabun mimic DCNP over other nerve agent simulants as well as strong electrophiles.
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Goud et al. (2014) studied this question.
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