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This is a In Vitro Study study.

August 26, 2025MolbankOpen Access

4,4′-Bis(1-(4-nitrophenyl)-2-(2,4,6-trinitrophenyl)hydrazineyl)-1,1′-biphenyl and Its Corresponding Stable Diradical

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A new stable diradical was successfully synthesized, expanding the chemistry of DPPH.
Characterization methods included 1H-NMR, 13C-NMR, IR, ESR, and UV-Vis analysis, confirming compound structure and properties.
The synthesis utilized a biphasic system with sodium nitrite and 15-crown-5 ether as nitrating reagents.
This work highlights the potential to extend well-known DPPH chemistry to new diradical applications.

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Chemical synthesis produced a stable diradical from DPPH in a biphasic system, suggesting new chemistry applications.

Căproiu et al. (2025) studied this question.

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