Synthesis and luminescent properties of two Schiff-base boron complexes

Hou, Qiong; Zhao, Liyan; Zhang, Hongyu; Wang, Yue; Jiang, Shimei

doi:10.1016/j.jlumin.2006.08.094

Cited by 45 publications

(27 citation statements)

References 17 publications

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“…[43][44][45][46] Schiff base boron compounds ( Figure 1, C) are yet another type of four-coordinate boron complex that has gained interest owing to their greater stability than tricoordinate boron compounds. [15,18,24,[47][48][49][50] For example, Ziessel, Ulrich, and co-workers reported the synthesis and optical properties of Boranil complexes. [47] Ziessel and Ulrich are also credited for expanding the scope of the Boranil complexes in a model labeling experiment with bovine serum albumin.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Optical Properties of Salicylaldimine‐Based Diboron Complexes

et al. 2013

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Section: Introductionmentioning

confidence: 99%

Synthesis and Optical Properties of Salicylaldimine‐Based Diboron Complexes

et al. 2013

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“…Organic borides are more stable than other organometallic complexes owing to their stronger B-O and B-N coordinate bonds [6]. Wang et al [7][8][9][10] have systematically studied the structure and photoluminescence properties of boron complexes for their potential application as functional material [11][12][13].…”

Section: Discussionmentioning

confidence: 99%

Crystal structure of bis(2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole)boron – tetrahydrofuran (1/1), C₃₆H₃₇N₄O₆B

Yin

Zhang

2017

Zeitschrift Für Kristallographie - New Crystal Structures

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CCDC no.: 1545951The crystal structure is shown in the figure. Tables 1 and 2 contain details on crystal structure and measurement conditions and a list of the atoms including atomic coordinates and displacement parameters. Source of materialReagents and solvents were of commercially available quality. Firstly, 2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole was prepared according to the literature [4,5], and was processed by recrystallization from anhydrous ethanol twice. Secondly, the obtained compound (0.96 g, 4.0 mmol) was dissolved in 40 mL tetrahydrofuran (THF) under stirring, 10 mL of B(OH) 3 (0.12 g, 2.0 mmol) solution in THF was added dropwise, and then refluxed for three hours. The solution was concentrated to 15 ml and filtered, the crude product was purified with ethanol by recrystallization to yield ca. 70%. Experimental detailsThe tetrahydrofuran is disordered over two positions, which is treated as two parts with occupancy factors of 0.443 : 0.557.

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“…Symmetrical diimine Schiff bases (ACH‚NAArAN‚CHA) or (AN‚HCAArACH‚NA) type can be obtained easily from aromatic diamines with two mol of an aldehyde or aromatic dialdehydes with two mol of an amine, respectively (So¨zen et al, 2007;Kumari et al, 2008;Hou et al, 2007). But, asymmetrical diimine Schiff bases (ACH‚NAArACH‚NA) type cannot be synthesized directly.…”

Section: Introductionmentioning

confidence: 99%

Potentiometric and antimicrobial studies on the asymmetric Schiff bases and their binuclear Ni(II) and Fe(III) complexes; synthesis and characterization of the complexes

Güngör

Gürkan

2019

Arabian Journal of Chemistry

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The protonation constants of two nitro-Schiff bases SB 1 , SB 2 and three asymmetric tetradentate diimines H 2 L 1 , H 2 L 2 and H 2 L 3 and the stability constants of their ML type binuclear Ni(II) and Fe(III) complexes have been determined potentiometrically. The asymmetric diimines are (2OH) RACH‚NAC 6 H 4 ACH‚NAR 0 (2OH) type compounds [where R = R 0 = phenyl for H 2 L 1 ; R = naphthyl, R 0 = phenyl for H 2 L 2 and R = R 0 = naphthyl for H 2 L 3 ]. The effect of tautomeric forms on the acid-base properties of the diimines has been investigated and discussed. In addition, dimeric and binuclear Ni(II) and Fe(III) complexes of the diimines have been synthesized and characterized by physical and spectroscopic techniques. Also, in vitro antimicrobial activities of the diimines and the complexes have been evaluated against three bacteria: Micrococcus luteus (NRLL B-4375), Bacillus cereus (RSKK 863), Escherichia coli (ATCC 11230) and the fungus: Candida albicans (ATCC 10239). ª 2015 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Synthesis and luminescent properties of two Schiff-base boron complexes

Cited by 45 publications

References 17 publications

Synthesis and Optical Properties of Salicylaldimine‐Based Diboron Complexes

Synthesis and Optical Properties of Salicylaldimine‐Based Diboron Complexes

Crystal structure of bis(2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole)boron – tetrahydrofuran (1/1), C₃₆H₃₇N₄O₆B

Potentiometric and antimicrobial studies on the asymmetric Schiff bases and their binuclear Ni(II) and Fe(III) complexes; synthesis and characterization of the complexes

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Synthesis and luminescent properties of two Schiff-base boron complexes

Cited by 45 publications

References 17 publications

Synthesis and Optical Properties of Salicylaldimine‐Based Diboron Complexes

Synthesis and Optical Properties of Salicylaldimine‐Based Diboron Complexes

Crystal structure of bis(2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole)boron – tetrahydrofuran (1/1), C36H37N4O6B

Potentiometric and antimicrobial studies on the asymmetric Schiff bases and their binuclear Ni(II) and Fe(III) complexes; synthesis and characterization of the complexes

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Crystal structure of bis(2-(2′-hydroxy-5′-methoxyphenyl)-1H-benzimidazole)boron – tetrahydrofuran (1/1), C₃₆H₃₇N₄O₆B