Author: Jessica.F

Jaradat, Ahmad; Zhang, Chengji; Singh, Sachin Kumar; Ahmed, Junaid; Ahmadiparidari, Alireza; Majidi, Leily; Rastegar, Sina; Hemmat, Zahra; Wang, Shuxi; Ngo, Anh T.; Curtiss, Larry A.; Daly, Matthew; Subramanian, Arunkumar; Salehi-khojin, Amin published an article in 2021. The article was titled 《High Performance Air Breathing Flexible Lithium-Air Battery》, and you may find the article in Small.Quality Control of Indium(III) bromide The information in the text is summarized as follows:

Lithium-oxygen (Li-O2) batteries possess the highest theor. energy d. (3500 Wh kg-1), which makes them attractive candidates for modern electronics and transportation applications. In this work, an inexpensive, flexible, and wearable Li-O2 battery based on the bifunctional redox mediator of InBr3, MoS2 cathode catalyst, and Fomblin-based oxygen permeable membrane that enable long-cycle-life operation of the battery in pure oxygen, dry air, and ambient air is designed, fabricated, and tested. The battery operates in ambient air with an open system air-breathing architecture and exhibits excellent cycling up to 240 at the high c.d. of 1 A g-1 with a relative humidity of 75%. The electrochem. performance of the battery including deep-discharge capacity, and rate capability remains almost identical after 1000 cycle in a bending fatigue test. This finding opens a new direction for utilizing high performance Li-O2 batteries for applications in the field of flexible and wearable electronics. The results came from multiple reactions, including the reaction of Indium(III) bromide(cas: 13465-09-3Quality Control of Indium(III) bromide)

Indium(III) bromide(cas: 13465-09-3) is used in organic synthesis as a water tolerant Lewis acid. It efficiently catalyzes the three-component coupling of β-keto esters, aldehydes and urea (or thiourea) to afford the corresponding dihydropyrimidinones.Quality Control of Indium(III) bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Sei, Kento; Wang, Qi; Tokumura, Masahiro; Miyake, Yuichi; Amagai, Takashi published an article in 2021. The article was titled 《Accurate and ultrasensitive determination of 72 parent and halogenated polycyclic aromatic hydrocarbons in a variety of environmental samples via gas chromatography-triple quadrupole mass spectrometry》, and you may find the article in Chemosphere.Quality Control of 9,10-Dibromoanthracene The information in the text is summarized as follows:

Polycyclic aromatic hydrocarbons (PAHs) and their halogenated derivatives (XPAHs) are ubiquitous in various environmental media. Anal. problems, however, make it difficult to accurately determine their concentrations To develop a satisfactory anal. method suitable for a diversity of PAHs and XPAHs in multiple environmental samples, we evaluated three com. anal. columns (DB-5MS, Select PAH, and Rxi-PAH) for better chromatog. separation and optimized the anal. conditions for gas chromatog.-triple quadrupole mass spectrometry (GC-MS/MS). Comparison of the abilities of the columns to sep. peaks revealed that the Rxi-PAH was the best column for both PAH and XPAH analyses. Optimization of anal. conditions for GC-MS/MS resulted in sensitivities for PAHs and XPAHs that were 4.2-fold-2600-fold higher than the sensitivities of GC-high-resolution MS (GC-HRMS) (an example of a traditional anal. method). Although there were no statistically significant differences between the instrumental detection limits (IDLs) of PAHs and XPAHs measured by GC-HRMS, the IDLs of XPAHs were significantly lower than those of PAHs when measured by GC-MS/MS. This difference could be attributed to the unique ionization patterns of XPAHs in the GC-MS/MS anal., which suppressed background noise and increased the anal. sensitivity. Analyses of PAHs and XPAHs in grilled chicken, vehicle exhaust, sea sediment, ambient air, and indoor dust via the anal. method optimized in this study revealed that the proposed method was sufficiently sensitive, comprehensive, and versatile for risk assessment purposes, and could eliminate interferences associated with the co-elution of target PAHs and XPAHs. In the experimental materials used by the author, we found 9,10-Dibromoanthracene(cas: 523-27-3Quality Control of 9,10-Dibromoanthracene)

9,10-Dibromoanthracene(cas: 523-27-3) is a dibrominated polycyclic aromatic hydrocarbon (PAH). 9,10-Dibromoanthracene is often used as an energy acceptor and activator in reactions that produce chemiluminescence.Quality Control of 9,10-Dibromoanthracene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Yang, Hui; Xing, Baoyan; Zhao, Jianguo; Ma, Guibin published an article in Polyhedron. The title of the article was 《Methoxyl-substituted phosphine ligand properties and a case study of formation adducts to indium(III) bromide by DFT calculations》.Formula: Br3In The author mentioned the following in the article:

Six bulky triphenylphosphine ligands containing substituted methoxyl groups (tris(2,4,6-trimethoxyphenyl)phosphine (TMP), tris(2,6-dimethoxyphenyl)phosphine (TDP), tris(o-methoxyphenyl)phosphine (o-Anis3P), tris(p-methoxyphenyl)phosphine (p-Anis3P), tris(m-methoxyphenyl)phosphine (m-Anis3P) and triphenylphosphine (PPh3)) were studied by DFT (d. functional theory) calculations and exptl. solution/solid-state 31P NMR spectroscopy. The basicity and binding ability of these substituted ligands, proven by comparison of structural data with DFT-predicted data, are in the order TMP > TDP > o-Anis3P > p-Anis3P > m-Anis3P > PPh3. Mol. structures for InBr3 with bulky ligands (TMP, TDP, o-Anis3P, p-Anis3P, m-Anis3P and PPh3) were calculated using DFT. P-In bond distances generated from these six optimized mol. structures and the calculated intramol. interaction energies are in agreement with the ligand properties, with strong donation ability for those with the short bond distance; the In-P bond distance from shortest to longest follows a similar trend as predicted by DFT calculations DFT calculations for these adducts show that methoxyl substitution to triphenylphosphine (PPh3) ligands contributed to its electron donor ability resulting in lower P-In bond distances with relatively large bond interaction energies. In the part of experimental materials, we found many familiar compounds, such as Indium(III) bromide(cas: 13465-09-3Formula: Br3In)

Indium(III) bromide(cas: 13465-09-3) is used as a catalyst to produce dithioacetals when unactivated alkynes react with thiols and fields such as optics and microelectronics that utilize semiconductor technology have wide uses for indium in high-performing solar cells.Formula: Br3In

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Liu, Pei; Zhang, Sheng; Pei, Xiaomei; Song, Binglei; Jiang, Jianzhong; Cui, Zhenggang; Binks, Bernard P. published an article in Soft Matter. The title of the article was 《Recyclable and re-usable smart surfactant for stabilization of various multi-responsive emulsions alone or with nanoparticles》.Electric Literature of C8H15BrO2 The author mentioned the following in the article:

A novel multi-responsive surfactant (abbreviated as N+-8P8-N) was synthesized, in which one octyl trimethylamine group (quaternary ammonium) and one octyl dimethylamine group are connected to a benzene ring through ether bonds. This novel surfactant can stabilize conventional oil-in-water (O/W) emulsions alone, and O/W Pickering emulsions and novel oil-in-dispersion emulsions together with oppositely and similarly charged nanoparticles, resp. In all cases rapid demulsification can be achieved through either pH or CO2/N2 triggers, by which the surfactant is reversibly converted between a normal cationic surfactant form (N+-8P8-N) and a strongly hydrophilic and surface-inactive bola form (N+-8P8-NH+). Notably, the bola form N+-8P8-NH+ dissolves in the aqueous phase alone or together with nanoparticles after demulsification without contamination of the oil phase, and the aqueous phase can be recycled many times triggered by pH or CO2/N2 in accordance with the principle of green chem. This newly designed re-usable smart surfactant is significant for the development of various temporarily stable emulsions, which are extensively applied in emulsion polymerization, new material synthesis, heterogeneous catalysis and oil transportation.8-Bromooctanoic acid(cas: 17696-11-6Electric Literature of C8H15BrO2) was used in this study.

8-Bromooctanoic acid(cas: 17696-11-6) acid is used in the synthesis of 8-(N-Methyl-4,4′-bipyridinyl)- octanoic acid. 8-Mercaptooctanoic acid was prepared from 8-bromooctanoic acid. And 8-Bromooctanoic Acid is a useful compound for sonodynamic therapy.Electric Literature of C8H15BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of C7H5BrO2In 2019 ,《Catalyst-Free Approach for Hydroboration of Carboxylic Acids under Mild Conditions》 appeared in ACS Omega. The author of the article were Xu, Xiaojuan; Yan, Dandan; Zhu, Zhangye; Kang, Zihan; Yao, Yingming; Shen, Qi; Xue, Mingqiang. The article conveys some information:

Aryl and alkyl carboxylic acids underwent hydroboration with pinacolborane under solvent-free conditions or in THF to yield primary alkyl pinacolborate esters. Seven of the borate esters were hydrolyzed to the corresponding primary alcs. in 90-93% yields with silica in MeOH. Benzoic acid was reduced under solvent-free conditions to yield benzyl pinacol borate in 98% yield on 15 mmol scale. After reading the article, we found that the author used 4-Bromobenzoic acid(cas: 586-76-5Synthetic Route of C7H5BrO2)

4-Bromobenzoic acid(cas: 586-76-5) has been used to study the metabolic fate of 2-,3-and 4-bromo benzoic acids in rat hepatocytes incubation using high temperature liquid chromatography. It was used in bromine-specific detection of the metabolites of 2-,3-and 4-bromobenzoic acid in the urine and bile of rats by inductively coupled plasma mass spectrometry.Synthetic Route of C7H5BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 2969-81-5In 2019 ,《Functional Biointerfaces Based on Mixed Zwitterionic Self-Assembled Monolayers for Biosensing Applications》 was published in Langmuir. The article was written by Wang, Yu-Sin; Yau, Shuehlin; Chau, Lai-Kwan; Mohamed, Ameen; Huang, Chun-Jen. The article contains the following contents:

Surface modification for biosensors has focused attention for improvement of their sensitivity and specificity, particularly for the detection in complex medium. In this work, we have synthesized zwitterionic carboxybetaine-thiols (CB-thiols) and sulfobetaine-thiols (SB-thiols) for modification of gold substrates to form a functional self-assembled monolayer (SAM) for the immunoassay in a surface plasmon resonance (SPR) biosensor. XPS, contact angle goniometer, and cyclic voltammetry were applied for characterizations of elemental composition, surface wettability, and packing d., resp. The antifouling properties of the SAMs were accessed by quant. anal. of protein and bacterial adsorption. The results from the SAMs with a single component indicated that the SB-thiol SAM provides better surface hydrophilicity, fouling resistance, and packing d. as compared to the CB-thiol SAM, likely due to the ionic association of CB moieties. However, the CB-thiol with the functional carboxylate group plays a critical role in postmodification of biomols. via com. available amine coupling chem. Thus, the mixed SAMs were prepared to integrate the unique characteristics from CB- and SB-thiols to control compositions and surface properties. The immunoassay was performed in the SPR biosensor, showing that the zwitterionic mixed SAM enables immobilization of biorecognition elements (BREs), and improved sensitivity and specificity. Consequently, the work reveals excellent and attractive versatility, antifouling, and functionalizable properties of zwitterionic mixed SAMs comprising CB- and SB-thiols for biosensing applications. This surface chem. is expected to be applicable to monitor specific mol. recognition events. After reading the article, we found that the author used Ethyl 4-bromobutyrate(cas: 2969-81-5Related Products of 2969-81-5)

Ethyl 4-bromobutyrate(cas: 2969-81-5) belongs to bromides. One prominent application of synthetic organobromine compounds is the use of polybrominated diphenyl ethers as fire-retardants, and in fact fire-retardant manufacture is currently the major industrial use of the element bromine.Related Products of 2969-81-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Category: bromides-buliding-blocksIn 2019 ,《Small antibacterial molecules highly active against drug-resistant Staphylococcus aureus》 was published in MedChemComm. The article was written by Dey, Rajib; De, Kathakali; Mukherjee, Riya; Ghosh, Sreyan; Haldar, Jayanta. The article contains the following contents:

The rapid growth of antibiotic resistance in Staphylococcus aureus coupled with their biofilm forming ability has made the infections difficult to treat with conventional antibiotics. This has created a massive threat towards public health and is a huge concern worldwide. Aiming to address this challenging issue, herein we report a new class of small antibacterial mols. (SAMs) with high antibacterial activity against multidrug-resistant S. aureus. The design principle of the mols. was based on the variation of hydrophobic/hydrophilic balance through incorporation of two quaternary ammonium groups, ethanol moieties, non-peptidic amide bonds and aliphatic chains. The lead compound, identified through a comprehensive anal. of structure-activity relationships, displayed high activity against clin. isolates of methicillin-resistant S. aureus (MRSA) and vancomycin-resistant S. aureus (VRSA) with MIC values in the range of 1-4μg mL-1. More importantly, this compound was capable of killing stationary phase bacteria and disrupting established biofilms of MRSA. Addnl., the compound revealed min. toxicity towards human erythrocytes (HC50 = 577μg mL-1) and did not show significant toxicity towards mammalian cells (MDCK and A549) up to 128 g mL-1. Remarkably, the incorporation of non-peptidic amide bonds made the compounds less susceptible to degradation in human plasma, serum and mouse liver homogenate. Taken together, the results therefore indicate great promise for this class of mols. to be developed as potent antibacterial agents in treating infections caused by drug-resistant S. aureus. In the experiment, the researchers used many compounds, for example, 1,6-Dibromohexane(cas: 629-03-8Category: bromides-buliding-blocks)

1,6-Dibromohexane(cas: 629-03-8) is generally used to introduce C6 spacer in the molecular architecture. Some of the examples are: synthesis of pyrrolo-tetrathiafulvalene molecular bridge (6PTTF6) to study redox switching behavior of single molecules; synthesis of water-soluble thermoresponsive polylactides.Category: bromides-buliding-blocks

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Recommanded Product: Methyl 3-(bromomethyl)benzoateIn 2016 ,《Design, synthesis and biological evaluation of stilbene derivatives as novel inhibitors of protein Tyrosine Phosphatase 1B》 was published in Molecules. The article was written by He, Haibing; Ge, Yinghua; Dai, Hong; Cui, Song; Ye, Fei; Jin, Jia; Shi, Yujun. The article contains the following contents:

By imitating the scaffold of lithocholic acid (LCA), a natural steroidal compound displaying Protein Tyrosine Phosphatase 1B (PTP1B) inhibitory activity, a series of stilbene derivatives containing phenyl-substituted isoxazoles were designed and synthesized. The structures of the title compounds were confirmed by 1H-NMR, 13C-NMR and HRMS. Activities of the title compounds were evaluated on PTP1B and the homologous enzyme TCPTP by using a colorimetric assay. Most of the target compounds had good activities against PTP1B. Among them, compound 29 (IC50 = 0.91 ± 0.33 μM), characterized by a 5-(2,3-dichlorophenyl) isoxazole moiety, exhibited an activity about 14-fold higher than the lead compound LCA and a 4.2-fold selectivity over TCPTP. Compound 29 was identified as a competitive inhibitor of PTP1B with a Ki value of 0.78 μM in enzyme kinetic studies. In the experiment, the researchers used Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8Recommanded Product: Methyl 3-(bromomethyl)benzoate)

Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals.Recommanded Product: Methyl 3-(bromomethyl)benzoate The most pervasive is the naturally produced bromomethane.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 626-40-4In 2021 ,《Micellar Suzuki Cross-Coupling between Thiophene and Aniline in Water and under Air》 was published in Organics. The article was written by Yousif, Dawod; Tombolato, Silvia; Ould Maina, Elmehdi; Po, Riccardo; Biagini, Paolo; Papagni, Antonio; Vaghi, Luca. The article contains the following contents:

The Suzuki-Miyaura cross-coupling reaction plays a fundamental role in modern synthetic organic chem., both in academia and industry. For this reason, scientists continue to search for new, more effective, cheaper and environmentally friendly procedures. Recently, micellar synthetic chem. has been demonstrated to be an excellent strategy for achieving chem. transformations in a more efficient way, thanks to the creation of nanoreactors in aqueous environments using selected surfactants. In particular, the cheap and com. available surfactant Kolliphor EL (a polyethoxylated castor oil derivative) has been used with success to achieve metal-catalyzed transformations in water with high yields and short reaction times, with the advantage of using air-sensitive catalysts without the need for inert atm. In this work, the Kolliphor EL methodol. was applied to the Suzuki cross-coupling reaction between thiophene and aniline, using the highly effective catalyst Pd(dtbpf)Cl2. The cross-coupling products were achieved at up to 98% yield, with reaction times of up to only 15 min, working at room temperature and without the need for inert atm. The results came from multiple reactions, including the reaction of 3,5-Dibromoaniline(cas: 626-40-4Related Products of 626-40-4)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Hydrogen peroxide (H2O2) and peroxy acids generally add an oxygen atom to the nitrogen of amines. With primary amines, this step is normally followed by further oxidation, leading to nitroso compounds, RNO, or nitro compounds, RNO2. Secondary amines are converted to hydroxylamines, R2NOH, and tertiary amines to amine oxides, R3NO.Related Products of 626-40-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Visible-Light-Promoted Oxidative Amidation of Bromoalkynes with Anilines: An Approach to α-Ketoamides》 was written by Ni, Ke; Meng, Ling-Guo; Wang, Kuai; Wang, Lei. Safety of 3,5-DibromoanilineThis research focused onvisible light oxidative amidation bromoalkyne aniline; ketoamide preparation. The article conveys some information:

A convenient and practical synthetic route to α-ketoamides from bromoalkynes and anilines through phototriggered organic transformations via a C-N cross-coupling and an oxidation of CC was developed. The reaction could be furnished without an external photocatalyst at ambient conditions, and a wide range of α-ketoamides were obtained in good yields. The experimental process involved the reaction of 3,5-Dibromoaniline(cas: 626-40-4Safety of 3,5-Dibromoaniline)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Primary amines having a tertiary alkyl group (R3CNH2) are difficult to prepare with most methods but are made industrially by the Ritter reaction. In this method a tertiary alcohol reacts with hydrogen cyanide (HCN) in the presence of a concentrated strong acid; a formamide, RNH―CHO, is formed first, which then undergoes hydrolysis.Safety of 3,5-Dibromoaniline

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary