Zinc complexes of 1-Propyl-2-(2-tosylaminophenyl)-5-aminobenzimidazole: Synthesis, structure, and luminescence properties
摘要:
1-Alkyl-2-(2-tosylaminophenyl)-5-aminobenzimidazole and related zinc complexes are synthesized. The structure of the complex with zinc pivalate is determined by X-ray diffraction analysis. The fluorescence with the anomalous Stokes shift of the benzimidazole ligand system in solution is transformed into the fluorescence with the normal Stokes shift upon complex formation due to blocking the mechanism of intramolecular proton transfer in the excited state or upon the transition to the crystalline state formed by zwitterionic forms that are generated due to the proton transfer from the sulfonamide group to the amino group.
Zinc complexes of 1-Propyl-2-(2-tosylaminophenyl)-5-aminobenzimidazole: Synthesis, structure, and luminescence properties
摘要:
1-Alkyl-2-(2-tosylaminophenyl)-5-aminobenzimidazole and related zinc complexes are synthesized. The structure of the complex with zinc pivalate is determined by X-ray diffraction analysis. The fluorescence with the anomalous Stokes shift of the benzimidazole ligand system in solution is transformed into the fluorescence with the normal Stokes shift upon complex formation due to blocking the mechanism of intramolecular proton transfer in the excited state or upon the transition to the crystalline state formed by zwitterionic forms that are generated due to the proton transfer from the sulfonamide group to the amino group.
Synthesis, structure, and photoluminescence properties of N-{2-[5-(2-hydroxyphenylmethyleneamino)-1-alkylbenzimidazol-2-yl]phenyl}-4-methylbenzenesulfamides and their zinc complexes
作者:Yu. V. Koshchienko、A. S. Burlov、N. I. Makarova、V. G. Vlasenko、S. A. Nikolaevskii、M. A. Kiskin、G. G. Alexandrov、D. A. Garnovskii、A. V. Metelitsa、V. I. Minkin
DOI:10.1134/s1070363217010133
日期:2017.1
N-2-[5-(2-Hydroxyphenylmethyleneamino)-1-alkylbenzimidazol-2-yl]phenyl}-4-methyl-benzenesulfamides (H2L) and their zinc complexes Zn2L2 were synthesized. The structure of the ligands and complexes was studied by IR, UV, 1Н NMR, X-ray absorption spectroscopy, and X-ray diffraction analysis. The complexes show green photoluminescence (λfl = 492 nm) with quantum yields φ = 0.07–0.17.
Synthesis, structure, and photoluminescence properties of 4-methyl-N-{2-([1-alkyl-2-[2-(p-tolylsulfonylamino)phenyl]benzimidazol-5-yl]iminomethyl)phenyl}benzenesulfonamides and their zinc complexes
作者:Yu. V. Koshchienko、A. S. Burlov、N. I. Makarova、V. G. Vlasenko、S. A. Nikolaevskii、M. A. Kiskin、D. A. Garnovskii、A. L. Trigub、A. V. Metelitsa
DOI:10.1134/s1070363217040168
日期:2017.4
4-Methyl-N-2-([1-alkyl-2-[2-(p-tolylsulfonylamino)phenyl]benzimidazol-5-yl]iminomethyl)phenyl}-benzenesulfamides (H2L) and zinc complexes on their basis Zn2L2 have been synthesized. The structure of the ligands and complexes has been studied by IR, UV, (1)De NMR spectroscopy, X-ray absorption spectroscopy, and X-ray diffraction analysis.
Zinc complexes of 1-Propyl-2-(2-tosylaminophenyl)-5-aminobenzimidazole: Synthesis, structure, and luminescence properties
作者:S. A. Nikolaevskii、Yu. V. Koshchienko、A. V. Chernyshev、A. S. Burlov、A. S. Cheprasov、G. G. Aleksandrov、M. A. Kiskin、A. V. Metelitsa
DOI:10.1134/s1070328414070070
日期:2014.7
1-Alkyl-2-(2-tosylaminophenyl)-5-aminobenzimidazole and related zinc complexes are synthesized. The structure of the complex with zinc pivalate is determined by X-ray diffraction analysis. The fluorescence with the anomalous Stokes shift of the benzimidazole ligand system in solution is transformed into the fluorescence with the normal Stokes shift upon complex formation due to blocking the mechanism of intramolecular proton transfer in the excited state or upon the transition to the crystalline state formed by zwitterionic forms that are generated due to the proton transfer from the sulfonamide group to the amino group.