A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. 90-59-5, formula is C7H4Br2O2, Name is 3,5-Dibromo-2-hydroxybenzaldehyde. Organobromine compounds have fallen under increased scrutiny for their environmental impact., Application of C7H4Br2O2.
Ashfaq, Muhammad;Ali, Akbar;Nawaz Tahir, Muhammad;Khalid, Muhammad;Assiri, Mohammed A.;Imran, Muhammad;Shahzad Munawar, Khurram;Habiba, Ume research published 《 Synthetic approach to achieve halo imine units: Solid-state assembly, DFT based electronic and non linear optical behavior》, the research content is summarized as follows. Herein, two crystalline schiff bases: (E)-2,4-dibromo-6-(((3,4-dichlorophenyl)imino)methyl)phenol (DCBA) and (E)-2,4-dichloro-6-(((2,4,5-trichlorophenyl)imino)methyl)phenol(TCCA) were prepared by treating halo-substituted benzaldehydes with chloro-substituted aniline through condensation reaction. The crystal structures of DCBA and TCCA were confirmed by SC-XRD anal., which unambiguously revealed that C-H···Br, C-Cl···π, and off-set π···π stacking interactions were the key aspects of crystal packing of DCBA, whereas π···π off-set stacking interactions were the main aspect of crystal packing of TCCA. Hirshfeld surface anal. had been implemented for the further probe of intermol. interactions. Accompanying with exptl., DFT investigation had also been performed at M06/6-311G(d,p) level to analyze these crystalline architectures. By comparative anal. of geometrical parameters, an efficient agreement was observed between DFT and SC-XRD data. Addnl., natural bond orbital (NBO) findings revealed that most dominant hyper-conjugative transitions with higher stability (31.06 and 30.70 kcal/mol) had been examined for DCBA and TCCA, resp., which may cause the stability of these mols. Further, global reactivity parameters disclosed that both compounds showed larger value of hardness (η = 2.181-2.205 eV) with least value of softness (σ = 0.226-0.229 eV) which indicated them kinetically enormous stable and show excellent concurrence with NBO and SC-XRD. The band gaps of DCBA and TCCA had been rationalized to be 4.40 and 4.36 eV, resp. Interestingly, significant values of dipole moment [μtotal = 1.03 and 4.16 a.u.], linear polarizability [<α>=309 and 1167.51 a.u.] and second order hyperpolarizability [<γ> =3.90-4.18 x 105a.u.] were investigated in the entitled compounds Remarkable NLO response of aforesaid compounds designated them as outstanding NLO materials for the hi-tech optoelectronic applications.
90-59-5, 3,5-Dibromosalicylaldehyde reacts with alkyl cyanoacetates in the presence of ammonium acetate to yield 4H- chromenes.
3,5-Dibromosalicylaldehyde, also known as 3,5-Dibromosalicylaldehyde, is a useful research compound. Its molecular formula is C7H4Br2O2 and its molecular weight is 279.91 g/mol. The purity is usually 95%.
3,5-Dibromosalicylaldehyde reacts with alkyl cyanoacetates in the presence of ammonium acetate to yield 4H- chromenes. 3,5-Dibromosalicylaldehyde can be used in the synthesis of Schiff base and can be used as reactant for synthesis of Schiff base ligands which forms mononuclear complexes with copper(II), nickel(II), zinc(II) and cobalt(II).
3,5-Dibromosalicylaldehyde is a copper complex that has been synthesized from 3,5-dibromosalicylaldehyde and copper chloride. FTIR spectroscopy revealed that the coordination geometry of the copper complex is octahedral with two nitrogen atoms in the equatorial plane. The presence of hydrogen bonding interactions was confirmed by homologous protein adsorption experiments. This chemical structure was determined using X-ray crystallography and fluorescence probe experiments. The copper complex showed high affinity for malonic acid, which is an ester hydrochloride. The molecular mechanism of this interaction is based on adsorption, which occurs through hydrogen bonding interactions and hydrophobic interactions. Structural analysis revealed that the polymeric matrix consists of a three-dimensional network of crosslinked chains, while FTIR analysis indicated a possible disulfide bond between two cysteine residues., Application of C7H4Br2O2
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary