Diethyl 2-{4-diethyl­amino-2-[(dimethyl­carbamothio­yl)­oxy]benzyl­idene}malonate
2011

Fluorescent Probe for Hypochlorous Acid

publication Evidence: moderate

Author Information

Author(s): Sun Dan, Fan Xiao-Xing, Yang Shi-Yao, Zheng Hong

Primary Institution: Xiamen University

Hypothesis

Can the synthesized compound serve as a sensitive fluorescent probe for hypochlorous acid?

Conclusion

The title compound can react with hypochlorous acid, resulting in a significant increase in fluorescence.

Supporting Evidence

  • The compound exhibits a fluorescence emission at 509 nm with maximum excitation at 403 nm.
  • Single crystals were obtained by slow evaporation of a dichloromethane/petroleum ether solution.
  • The structure shows strong intramolecular charge transfer effects.

Takeaway

The researchers made a special chemical that lights up when it meets a certain substance called hypochlorous acid, which is important for studying biology.

Methodology

The compound was synthesized through a two-step chemical reaction and its structure was determined using X-ray crystallography.

Digital Object Identifier (DOI)

10.1107/S1600536811024305

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