Landini, Dario published the artcileNucleophilic aromatic substitution reactions promoted by aryl and heteroaryl amine nitranions, Name: Bis(4-nitrophenyl)amine, the publication is New Journal of Chemistry (1998), 22(1), 71-74, database is CAplus.
Nucleophilic substitution reaction of Cl in 4-ClC6H4NO2 by N-anions from RNH2 (R = C6F5, 4-O2NC6H4, tetrafluoro-4-pyridyl, 4-NCC6F4) to give the corresponding diarylamines was studied in solvents of different polarity (PhMe and DMSO). The reactivity of these nitranions is 2 orders of magnitude higher in DMSO. Such a difference is attributed to the different reacting species (ion pairs vs. free ions in PhMe and DMSO, resp.). The ¦ÂNu values obtained (0.31 and 0.26), very similar and relatively low, suggest a moderate extent of charge transfer from nucleophile to substrate in the transition state of both systems.
New Journal of Chemistry published new progress about 1821-27-8. 1821-27-8 belongs to catalysis-chemistry, auxiliary class Nitro Compound,Amine,Benzene, name is Bis(4-nitrophenyl)amine, and the molecular formula is C12H9N3O4, Name: Bis(4-nitrophenyl)amine.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia