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Purchase CAS:886762-75-0 | 4-BROMO-3-FLUORO-2-NITROANILINE,view related peer-reviewed papers,technical documents,similar products,MSDS & more.4-Bromo-3-fluoro-2-nitroaniline is a compound that is not directly mentioned in the provided papers, but its structural analogs and related compounds have been studied extensively. These compounds are typically intermediates in the synthesis of various dyes, pharmaceuticals, and other biologically a...
4-Bromo-3-fluoro-2-nitroaniline is a compound that is not directly mentioned in the provided papers, but its structural analogs and related compounds have been studied extensively. These compounds are typically intermediates in the synthesis of various dyes, pharmaceuticals, and other biologically active compounds. The presence of bromo, fluoro, and nitro substituents on the aromatic ring can significantly affect the chemical reactivity and physical properties of these molecules.
The synthesis of related compounds such as 2,6-dibromo-4-nitroanilineand 4-bromo-2-fluorobiphenylinvolves halogenation and nitration reactions. For instance, 2,6-dibromo-4-nitroaniline is prepared from 4-nitroaniline using bromide–bromate salts in an aqueous acidic medium. Similarly, 4-bromo-2-fluorobiphenyl is synthesized through diazotization and coupling reactions, or by bromination of 2-fluoroaniline followed by a cross-coupling reaction. These methods highlight the importance of careful control of reaction conditions to achieve the desired substitution pattern on the aromatic ring.
The molecular structure and properties of compounds similar to 4-Bromo-3-fluoro-2-nitroaniline have been characterized using various spectroscopic techniques. For example, a Schiff-base compound with a similar substitution pattern was investigated using FT-IR, UV-Vis, NMR, and single-crystal X-ray diffraction methods. Theoretical calculations such as DFT were also employed to predict the molecular geometry, vibrational frequencies, and electronic properties. These studies provide insights into the electronic distribution and stability of the molecule, which are crucial for understanding its reactivity.
The reactivity of bromo- and fluoro-substituted nitroaromatic compounds has been explored in various chemical reactions. For instance, 3-bromo-2-nitrobenzo[b]thiophene undergoes aromatic nucleophilic substitution with amines, leading to unexpected rearrangements. Similarly, nitrosation of 2-aryl-1-bromo-1-fluorocyclopropanes has been studied as an approach to synthesize isoxazolines, demonstrating the influence of halogen substituents on reaction pathways. These studies suggest that 4-Bromo-3-fluoro-2-nitroaniline would also exhibit interesting reactivity, potentially useful in the synthesis of heterocyclic compounds.
The physical and chemical properties of halogenated nitroaromatic compounds are influenced by the nature and position of the substituents. The presence of electron-withdrawing groups such as nitro, bromo, and fluoro can affect the acidity, boiling point, solubility, and stability of the compound. For example, the synthesis of 1-(4-bromo-2-fluorophenyl)-1,3-dihydro-2H-imidazo[4,5-c]pyridin-2-one involves multiple steps, including nitration, chlorination, and condensation, which are sensitive to the substituents' electronic effects. The optimization of reaction conditions, as seen in the synthesis of 4-bromo-2-fluorobiphenyl, can lead to significant cost savings and improved yields, highlighting the importance of understanding these properties for practical applications.
Also, it’s important to note that while 4-Bromo-3-fluoro-2-nitroaniline has these applications, its similar compounds like 4-Fluoro-3-nitroaniline and 2-Fluoro-4-nitroaniline also have various applications in fields like hair dye manufacturing, antibiotic synthesis, and nanotechnology.
Product Name: | 4-BROMO-3-FLUORO-2-NITROANILINE |
Synonyms: | 4-BROMO-3-FLUORO-2-NITROANILINE;6-Amino-3-bromo-2-fluoronitrobenzene;4-Bromo-3-fluoro-2-nitroaniline 97%;4-BroMo-3-fluoro-2-nitro-phenylaMine;4-Bromo-3-fluoro-2-nitroaniline97%;169313;Benzenamine, 4-bromo-3-fluoro-2-nitro- |
CAS: | 886762-75-0 |
MF: | C6H4BrFN2O2 |
MW: | 235.01 |
EINECS: | |
Product Categories: | |
Mol File: | 886762-75-0.mol |
4-BROMO-3-FLUORO-2-NITROANILINE Chemical Properties |
Boiling point | 322.7±37.0 °C(Predicted) |
density | 1.896±0.06 g/cm3(Predicted) |
storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
pka | -2.06±0.10(Predicted) |
form | powder |
color | Greenish orange/tan |