Category: 6825-20-3

In 2019,ChemPlusChem included an article by Mohamed, Mohamed Gamal; El-Mahdy, Ahmed F. M.; Ahmed, Mahmoud M. M.; Kuo, Shiao-Wei. Quality Control of 3,6-Dibromo-9H-carbazole. The article was titled 《Direct Synthesis of Microporous Bicarbazole-Based Covalent Triazine Frameworks for High-Performance Energy Storage and Carbon Dioxide Uptake》. The information in the text is summarized as follows:

In this study a series of bicarbazole-based covalent triazine frameworks (Car-CTFs) were synthesized under ionothermal conditions from [9,9′-bicarbazole]-3,3′,6,6′-tetracarbonitrile (Car-4CN) in the presence of molten zinc chloride. Thermogravimetric and Brunauer-Emmett-Teller analyses revealed that these Car-CTFs possessed excellent thermal stabilities and high sp. surface areas (ca. 1400 m2/g). The electrochem. performances of this Car-CTF series, investigated by using cyclic voltammetry, showed a highest capacitance of (545 F/g at 5 mV/s), which also exhibited excellent columbic efficiencies of 96.1% after 8000 cycles at 100μA/0.5 cm2. The other Car-CTF samples displayed similar efficiencies. Furthermore, based on CO2 uptake measurements, one of the series showed the highest CO2 uptake capacities: 3.91 and 7.60 mmol/g at 298 and 273 K, resp. These results suggest a simple method for the preparation of CTF materials that provide excellent electrochem. and CO2 uptake performance. In the experiment, the researchers used many compounds, for example, 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Quality Control of 3,6-Dibromo-9H-carbazole)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent. And it has been used in the preparation of N-(2-hydroxyethyl)-3,6-dibromocarbazole.Quality Control of 3,6-Dibromo-9H-carbazole

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2019,Nature Communications included an article by Krause, Simon; Evans, Jack D.; Bon, Volodymyr; Senkovska, Irena; Iacomi, Paul; Kolbe, Felicitas; Ehrling, Sebastian; Troschke, Erik; Getzschmann, Juergen; Toebbens, Daniel M.; Franz, Alexandra; Wallacher, Dirk; Yot, Pascal G.; Maurin, Guillaume; Brunner, Eike; Llewellyn, Philip L.; Coudert, Francois-Xavier; Kaskel, Stefan. Reference of 3,6-Dibromo-9H-carbazole. The article was titled 《Towards general network architecture design criteria for negative gas adsorption transitions in ultraporous frameworks》. The information in the text is summarized as follows:

Switchable metal-organic frameworks (MOFs) have been proposed for various energy-related storage and separation applications, but the mechanistic understanding of adsorption-induced switching transitions is still at an early stage. Here we report critical design criteria for neg. gas adsorption (NGA), a counterintuitive feature of pressure amplifying materials, hitherto uniquely observed in a highly porous framework compound (DUT-49). These criteria are derived by analyzing the phys. effects of micromechanics, pore size, interpenetration, adsorption enthalpies, and the pore filling mechanism using advanced in situ X-ray and neutron diffraction, NMR spectroscopy, and calorimetric techniques parallelised to adsorption for a series of six isoreticular networks. Aided by computational modeling, we identify DUT-50 as a new pressure amplifying material featuring distinct NGA transitions upon methane and argon adsorption. In situ neutron diffraction anal. of the methane (CD4) adsorption sites at 111 K supported by grand canonical Monte Carlo simulations reveals a sudden population of the largest mesopore to be the critical filling step initiating structural contraction and NGA. In contrast, interpenetration leads to framework stiffening and specific pore volume reduction, both factors effectively suppressing NGA transitions. The experimental part of the paper was very detailed, including the reaction process of 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Reference of 3,6-Dibromo-9H-carbazole)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent.Reference of 3,6-Dibromo-9H-carbazole

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Wu, Yimin; Zhang, Ling; Ma, Fudong; Ding, Tao; Obolda, Ablikim published an article in Designed Monomers and Polymers. The title of the article was 《Synthesis of carbazole-based dendritic conjugated polymer: dual channel optical probe for detection of iodine (-) and mercury (2+)》.Recommanded Product: 6825-20-3 The author mentioned the following in the article:

A new type of carbazole-based blue-emitting dendritic conjugated polymer, poly[(9,9-dioctyl)-2,7-fluorene-co-4,4′,4”-triphenylamine-co-9-(4-(9H-carbazol-9-yl)butyl)-3,6-carbazole](P), was successfully synthesized by Suzuki coupling reaction. Chem. structures of monomers and polymer were verified by FI-IR and 1HNMR characterizations. We found that polymer showed a special selectivity and high sensitivity for I-. With the addition of I-, the fluorescent polymer solution was obviously quenched. The polymer showed a special detection effect on I-. However, the fluorescent polymer was obviously restored when Hg2+ was added to the P/I- system due to the large complexation between I- and Hg2+. The anti-interference experiments of probe P/I- showed that other background cations have a slight influence on detecting Hg2+, and the calculated detection limit of Hg2+ reached 9.7 x 10-8 M, which could be a potential application for a two-channel cyclic detection of I- and Hg2+. Addnl., it was found that the theor. values were in agreement with the exptl. data. In the experiment, the researchers used many compounds, for example, 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Recommanded Product: 6825-20-3)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent. And it has been used in the preparation of N-(2-hydroxyethyl)-3,6-dibromocarbazole.Recommanded Product: 6825-20-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Hu, Hongmei; Zhao, Meirong; Jin, Hangbiao published their research in Journal of Separation Science in 2021. The article was titled 《Determination of polyhalogenated carbazoles in waters at low nanogram-per-liter concentrations with solid-phase disk extraction》.SDS of cas: 6825-20-3 The article contains the following contents:

Polyhalogenated carbazoles, a class of emerging contaminants with persistence and dioxin-like toxicity, have received increasing attention in recent years. In this study, a simple, rapid, sensitive, and high throughput method based on solid-phase disk extraction and gas chromatog.-mass spectrometry was described for the determination of polyhalogenated carbazoles in low nanogram-per-liter range in water samples. The proposed solid-phase disk extraction method was initially optimized, and the optimum exptl. conditions found were 1 L water sample (pH 6-9) extracted and enriched by Empore 3-stn octadecyl disk at flow rate of 5 to 50 mL/min and eluted by 5 mL of acetone and 3 x 10 mL methylene dichloride. The linearity of the method ranged from 0.2 to 50 ng/L for carbazole and 11 polyhalogenated carbazoles, with correlation coefficients ranging from 0.9951 to 0.9996. The limits of detection were in the low nanogram per L level, ranging from 0.018 to 0.12 ng/L. Finally, the optimized method was applied for determining trace levels of carbazole and 11 polyhalogenated carbazoles in tap water and seawater samples with good recovery of 86.6-112.8%. Carbazole and 3-7 polyhalogenated carbazoles were detected, and 3,6-dichlorocarbazole was the predominant congener both in tap water and seawater. In the part of experimental materials, we found many familiar compounds, such as 3,6-Dibromo-9H-carbazole(cas: 6825-20-3SDS of cas: 6825-20-3)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent.SDS of cas: 6825-20-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of C12H7Br2NIn 2022 ,《Effects of 3,6-Dibromocarbazole on Soil Health-Based on Soil Enzymes and the Biolog-ECO Test》 was published in Water, Air, & Soil Pollution. The article was written by Du, Zhongkun; Zhang, Ji; Cheng, Chao; Shi, Baihui; Zhu, Lusheng; Wang, Jun; Wang, Jinhua; Li, Bing. The article contains the following contents:

Polyhalogenated carbazoles (PHCZs) are a kind of emerging contaminants with doxin-like toxicity, potential bioaccumulation capability, and persistence. Data about the risks of PHCZs on soil ecosystem are scarce to date, although PHCZs have been detected with high concentrations in the soil. The present study performed a preliminary investigation of 3,6-dibromocarbazole (36-DBCZ, a PHCZ with a high detection rate, and concentration in the environment) at concentrations of 0.1, 1.0, 10, and 100 mg/kg on the soil health, based on soil enzyme test and Biolog-ECO assay. Results showed that 36-DBCZ could inhibit the activity and diversity of soil microbes, even at the environment-relevant concentration (0.1 mg/kg). But, the inhibition lasted only about 10 days. As time passed, slight increases in microbe activity and diversity were found in 36-DBCZ-treated groups. We hypothesized that the degradation products of 36-DBCZ provided extra nutrients to the soil microbes, which required further verification. Activities of urease, β-glucosidase, and acid phosphatase were increasingly increased, in contrast to the microbial activity. The present study provides valuable data on the effects of PHCZs on the soil ecosystem, and we suggest that the degradation of PHCZs, as well as their influences on the structure and functions of the soil microbial community, should be investigated in future studies. In the experiment, the researchers used many compounds, for example, 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Synthetic Route of C12H7Br2N)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used in the preparation of N-(2-hydroxyethyl)-3,6-dibromocarbazole.Synthetic Route of C12H7Br2N

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2019,Journal of Luminescence included an article by Majeed, Shereen A.; Nwaji, Njemuwa; Mack, John; Nyokong, Tebello; Makhseed, Saad. Computed Properties of C12H7Br2N. The article was titled 《Nonlinear optical responses of carbazole-substituted phthalocyanines conjugated to graphene quantum dots and in thin films》. The information in the text is summarized as follows:

Three different phthalocyanine complexes substituted with carbazoles were conjugated to graphene quantum dots (GQDs) through π-π stacking. The morphologies, sizes, and crystallinities of the nanoconjugates were determined using Raman spectroscopy, energy dispersive X-ray spectroscopy, transmission electron microscopy, and X-ray diffraction. The nonlinear optical (NLO) properties of the metallophthalocyanines alone and when conjugated to the GQD nanomaterial in different solvents, as well as after having been embedded in thin films, were studied. The effects of the different substituents and solvents on the NLO properties of the metallophthalocyanines were evaluated. Enhancements in the photophys. properties of the complexes upon conjugation with the nanomaterial were observed Fluorescence quantum yields, fluorescence lifetimes, triplet quantum yields, and triplet lifetimes were measured for the complexes, and for their conjugates in DMSO. The results came from multiple reactions, including the reaction of 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Computed Properties of C12H7Br2N)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent.Computed Properties of C12H7Br2N

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2019,Journal of Organic Chemistry included an article by Empel, Claire; Patureau, Frederic W.; Koenigs, Rene M.. HPLC of Formula: 6825-20-3. The article was titled 《Visible Light Induced Metal-Free Carbene N-Carbazolation》. The information in the text is summarized as follows:

Metal-free N-H functionalization reactions represent an important strategy for sustainable C-N coupling reactions. In this report, we describe the visible light photolysis of aryl diazoacetates in the presence of some N-heterocycles that enables mild, metal-free N-H functionalization reactions of carbazole and azepine heterocycles (15 examples, up to 83% yield). After reading the article, we found that the author used 3,6-Dibromo-9H-carbazole(cas: 6825-20-3HPLC of Formula: 6825-20-3)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent.HPLC of Formula: 6825-20-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Recommanded Product: 6825-20-3In 2021 ,《Thin-Film Luminescent Solar Concentrator Based on Intramolecular Charge Transfer Fluorophore and Effect of Polymer Matrix on Device Efficiency》 was published in Polymers (Basel, Switzerland). The article was written by Mateen, Fahad; Lee, Namcheol; Lee, Sae Youn; Taj Ud Din, Syed; Yang, Woochul; Shahzad, Asif; Kaliamurthy, Ashok Kumar; Lee, Jae-Joon; Hong, Sung-Kyu. The article contains the following contents:

Luminescent solar concentrators (LSCs) provide a transformative approach to integrating photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramol. charge transfer fluorophore (DACT-II) and discuss the effect of two polymers, polymethyl methacrylate (PMMA), and poly (benzyl methacrylate) (PBzMA) on the performance of large-area LSCs. As observed exptl., DACT-II with the charge-donating diphenylaminocarbazole and charge-accepting triphenyltriazine moieties shows a large Stokes shift and limited re-absorption losses in both polymers. Our results show that thin-film LSC (10 x 10 x 0.3 cm3) with optimized concentration (0.9 wt%) of DACT-II in PBzMA gives better performance than that in the PMMA matrix. In particular, optical conversion efficiency (ηopt) and power-conversion efficiency (ηPCE) of DACT-II/PBzMA LSC are 2.32% and 0.33%, resp., almost 1.2 times higher than for DACT-II/PMMA LSC. In the experiment, the researchers used 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Recommanded Product: 6825-20-3)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used in the preparation of N-(2-hydroxyethyl)-3,6-dibromocarbazole.Recommanded Product: 6825-20-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2019,Journal of Organic Chemistry included an article by Mallick, Sudesh; Maddala, Sudhakar; Kollimalayan, Kalidass; Venkatakrishnan, Parthasarathy. Product Details of 6825-20-3. The article was titled 《Oxidative Coupling of Carbazoles: A Substituent-Governed Regioselectivity Profile》. The information in the text is summarized as follows:

Oxidative C-C coupling of carbazoles possessing various substituents is demonstrated in the presence of organic (metal-free) recyclable oxidants, such as DDQ or CA/H+, for accessing bicarbazole regioisomers. Differently substituted carbazoles are examined to showcase regioselective discrimination (3,3′- vs. 1,3′-bicarbazoles) and preferences based on sterics and electronics in oxidative coupling. Finally, a mechanism that involves the carbazole radical cation has been traced (evidenced) and proposed on the basis of the UV-vis-NIR absorption and EPR spectroscopy results. This study underlines the strategic chem. preparation of a series of bicarbazoles in an efficient manner. The experimental part of the paper was very detailed, including the reaction process of 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Product Details of 6825-20-3)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent.Product Details of 6825-20-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《A New Biscarbazole-Based Metal-Organic Framework for Efficient Host-Guest Energy Transfer》 was written by Mu, Qianqian; Liu, Jingjuan; Chen, Weiben; Song, Xiaoyu; Liu, Xiaoting; Zhang, Xiaotao; Chang, Ze; Chen, Long. Reference of 3,6-Dibromo-9H-carbazoleThis research focused onzinc bicarbazoletetracarboxylate MOF host guest energy transfer fluorescent dye; crystal structure zinc bicarbazoletetracarboxylate MOF preparation fluorescence energy transfer; energy transfer; fluorescence; host-guest systems; in situ encapsulation; metal-organic frameworks. The article conveys some information:

A new metal-organic framework (MOF), [Zn6L4(Me2NH2+)4·H2O] (1) was constructed based on [9,9′-biscarbazole]-3,3′,6,6′-tetracarboxylic acid (H4L) and Zn2+ ions. The porous framework and intense blue fluorescence of the MOF based on the biscarbazole moiety of the ligand could facilitate efficient host to guest energy transfer, which makes it an ideal platform for the tuning of luminescence. The results came from multiple reactions, including the reaction of 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Reference of 3,6-Dibromo-9H-carbazole)

3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used in the preparation of N-(2-hydroxyethyl)-3,6-dibromocarbazole.Reference of 3,6-Dibromo-9H-carbazole

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary