Tag: 200-300

《Acceptorless dehydrogenative oxidation of primary alcohols to carboxylic acids and reduction of nitroarenes via hydrogen borrowing catalyzed by a novel nanomagnetic silver catalyst》 was published in Journal of Organometallic Chemistry in 2020. These research results belong to Yazdani, Elahe; Heydari, Akbar. COA of Formula: C7H5BrO2 The article mentions the following:

A novel silver nanomagnetic catalyst was devised for dehydrogenative oxidation of aromatic and aliphatic alcs. to the corresponding acid with water as the sole oxygen source and hydrogen gas as the only byproduct. The designed catalytic system advantages from easy recovery of magnetic materials i.e. magnetic decantation, being economically viable and environmentally friendly. Furthermore, the catalytic reaction is able to reduce aryl nitro compounds in the absence of any reducing agent. In the part of experimental materials, we found many familiar compounds, such as 4-Bromobenzoic acid(cas: 586-76-5COA of Formula: C7H5BrO2)

4-Bromobenzoic acid(cas: 586-76-5) has been 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.COA of Formula: C7H5BrO2 It was used to study the metabolic fate of 2-,3-and 4-bromo benzoic acids in rat hepatocytes incubation using high temperature liquid chromatography.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

The author of 《Design, synthesis, and evaluation of novel N-(4-phenoxybenzyl)aniline derivatives targeting acetylcholinesterase, β-amyloid aggregation and oxidative stress to treat Alzheimer’s disease》 were Srivastava, Pavan; Tripathi, Prabhash Nath; Sharma, Piyoosh; Shrivastava, Sushant Kumar. And the article was published in Bioorganic & Medicinal Chemistry in 2019. Electric Literature of C6H5Br2N The author mentioned the following in the article:

Novel hybrids N-(4-phenoxybenzyl)aniline were designed, synthesized, and evaluated for their potential AChE inhibitory activity along with antioxidant potential. The inhibitory potential (IC50) of synthesized analogs was evaluated against human cholinesterases (hAChE and hBChE) using Ellman’s method. Among all the tested compounds, 42 with trimethoxybenzene substituent showed maximum hAChE inhibition with the competitive type of enzyme inhibition (IC50 = 1.32 μM; Ki = 0.879 μM). Further, parallel artificial membrane permeation assay (PAMPA-BBB) showed favorable BBB permeability by most of the synthesized compounds Meanwhile, compound 42 also inhibited AChE-induced Aβ aggregation (39.5-66.9%) in thioflavin T assay. The in vivo behavioral studies showed dose-dependent improvement in learning and memory by compound 42. The ex vivo studies also affirmed the significant AChE inhibition and antioxidant potential of compound 42 in brain homogenates. In the experiment, the researchers used 3,5-Dibromoaniline(cas: 626-40-4Electric Literature of C6H5Br2N)

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.Electric Literature of C6H5Br2N

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Electric Literature of C8H8Br2In 2020 ,《Ring-in-Ring(s) Complexes Exhibiting Tunable Multicolor Photoluminescence》 was published in Journal of the American Chemical Society. The article was written by Wu, Huang; Wang, Yu; Jones, Leighton O.; Liu, Wenqi; Song, Bo; Cui, Yunpeng; Cai, Kang; Zhang, Long; Shen, Dengke; Chen, Xiao-Yang; Jiao, Yang; Stern, Charlotte L.; Li, Xiaopeng; Schatz, George C.; Stoddart, J. Fraser. The article contains the following contents:

One ring threaded by two other rings to form a non-intertwined ternary ring-in-rings motif is a challenging task in noncovalent synthesis. Constructing multicolor photoluminescence systems with tunable properties is also a fundamental research goal, which can lead to applications in multidimensional biol. imaging, visual displays, and encryption materials. Herein, we describe the design and synthesis of binary and ternary ring-in-ring(s) complexes, based on an extended tetracationic cyclophane and cucurbit[8]uril. The formation of these complexes is accompanied by tunable multicolor fluorescence outputs. On mixing equimolar amounts of the cyclophane and cucurbit[8]uril, a 1:1 ring-in-ring complex is formed as a result of hydrophobic interactions associated with a favorable change in entropy. With the addition of another equivalent of cucurbit[8]uril, a 1:2 ring-in-rings complex is formed, facilitated by addnl. ion-dipole interactions involving the pyridinium units in the cyclophane and the carbonyl groups in cucurbit[8]uril. Because of the narrowing in the energy gaps of the cyclophane within the rigid hydrophobic cavities of cucurbit[8]urils, the binary and ternary ring-in-ring(s) complexes emit green and bright yellow fluorescence, resp. A series of color-tunable emissions, such as sky blue, cyan, green, and yellow with increased fluorescence lifetimes, can be achieved by simply adding cucurbit[8]uril to an aqueous solution of the cyclophane. Notably, the smaller cyclobis(paraquat-p-phenylene), which contains the same p-xylylene linkers as the extended tetracationic cyclophane, does not form ring-in-ring(s) complexes with cucurbit[8]uril. The encapsulation of this extended tetracationic cyclophane by both one and two cucurbit[8]urils provides an incentive to design and synthesize more advanced supramol. systems, as well as opening up a feasible approach toward achieving tunable multicolor photoluminescence with single chromophores. In the experiment, the researchers used many compounds, for example, 1,4-Bis(bromomethyl)benzene(cas: 623-24-5Electric Literature of C8H8Br2)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals.Electric Literature of C8H8Br2 The most pervasive is the naturally produced bromomethane.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 626-40-4In 2020 ,《Discovery of Highly Selective Inhibitors of Calmodulin-Dependent Kinases That Restore Insulin Sensitivity in the Diet-Induced Obesity in Vivo Mouse Model》 appeared in Journal of Medicinal Chemistry. The author of the article were Fromont, Christophe; Atzori, Alessio; Kaur, Divneet; Hashmi, Lubna; Greco, Graziella; Cabanillas, Alejandro; Nguyen, Huy Van; Jones, D. Heulyn; Garzon, Miguel; Varela, Ana; Stevenson, Brett; Iacobini, Greg P.; Lenoir, Marc; Rajesh, Sundaresan; Box, Clare; Kumar, Jitendra; Grant, Paige; Novitskaya, Vera; Morgan, Juliet; Sorrell, Fiona J.; Redondo, Clara; Kramer, Andreas; Harris, C. John; Leighton, Brendan; Vickers, Steven P.; Cheetham, Sharon C.; Kenyon, Colin; Grabowska, Anna M.; Overduin, Michael; Berditchevski, Fedor; Weston, Chris J.; Knapp, Stefan; Fischer, Peter M.; Butterworth, Sam. The article conveys some information:

Polymorphisms in the region of the calmodulin-dependent kinase isoform D (CaMK1D) gene are associated with increased incidence of diabetes, with the most common polymorphism resulting in increased recognition by transcription factors and increased protein expression. While reducing CaMK1D expression has a potentially beneficial effect on glucose processing in human hepatocytes, there are no known selective inhibitors of CaMK1 kinases that can be used to validate or translate these findings. Here we describe the development of a series of potent, selective, and drug-like CaMK1 inhibitors that are able to provide significant free target cover in mouse models and are therefore useful as in vivo tool compounds Our results show that a lead compound from this series improves insulin sensitivity and glucose control in the diet-induced obesity mouse model after both acute and chronic administration, providing the first in vivo validation of CaMK1D as a target for diabetes therapeutics. The experimental process involved 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. Amines can be classified according to the nature and number of substituents on nitrogen. Aliphatic amines contain only H and alkyl substituents. Aromatic amines have the nitrogen atom connected to an aromatic ring.Important amines include amino acids, biogenic amines, trimethylamine, and aniline. Inorganic derivatives of ammonia are also called amines, such as monochloramine (NClH2).Related Products of 626-40-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

HPLC of Formula: 623-24-5In 2020 ,《Synthesis of poly(phenylene methylenes) via a AlCl3-mediated Friedel-Craft alkylation of multi-substituted benzyl bromide with benzene》 appeared in Journal of Applied Polymer Science. The author of the article were Teng, Dao-Guang; Wei, Xian-Yong; Yang, Zheng; Zhu, Qing-Jiang; Gao, Hua-Shuai; Li, Jia-Hao; Zhang, Min; Zong, Zhi-Min; Kang, Yv-Hong. The article conveys some information:

A facile AlCl3-mediated Friedel-Craft alkylation between a multi-substituted benzyl bromide and benzene is established, in which a wide set of poly(phenylene methylenes) (MMSs) are synthesized through a two-step strategy under metal-free conditions with high yields (slightly lower than theor. yields). The resulting MMSs, characterized by Fourier transform IR spectrometry, NMR spectrometry, thermogravimetric anal., elemental anal., gel permeation chromatog., UV-vis and fluorescence spectrometry, feature large mol. mass, outstanding fluorescence, and excellent thermal/chem. stabilities. Moreover, a gram-scale reaction was carried out under the standard conditions to produce MMSs, exhibiting a promising potential application in industrial practice. In the experiment, the researchers used many compounds, for example, 1,4-Bis(bromomethyl)benzene(cas: 623-24-5HPLC of Formula: 623-24-5)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) belongs to organobromine compounds.The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. HPLC of Formula: 623-24-5 Dehydrobromination, Grignard reactions, reductive coupling, Wittig reaction, and several nucleophilic substitution reactions are some of the principal reactions which involve organic bromides.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Kawashima, Kanako; Hirota-Tsukimachi, Mayuko; Toma, Tsugumasa; Koga, Ryoko; Iwamaru, Kana; Kanemaru, Yosuke; Yanae, Misato; Ahagon, Ami; Nakamura, Yurine; Anraku, Kensaku; Tateishi, Hiroshi; Gohda, Jin; Inoue, Jun-ichiro; Otsuka, Masami; Fujita, Mikako published an article in Chemical Biology & Drug Design. The title of the article was 《Development of chimeric receptor activator of nuclear factor-kappa B with glutathione S-transferase in the extracellular domain: Artificial switch in a membrane receptor》.Application In Synthesis of 8-Bromooctanoic acid The author mentioned the following in the article:

Various chimeric receptors have been developed and used for biol. experiments In the present study, we constructed three types of chimeric receptor activator of nuclear factor-kappa B (RANK) with the glutathione S-transferase (GST) protein in the extracellular domain, and stimulated them using newly synthesized chem. trimerizers with three glutathiones. Although this stimulation did not activate these proteins, we unexpectedly found that the chimera named RANK-GST-SC, in which GST replaced a major part of the RANK extracellular domain, activated nuclear factor-kappa B (NF-κB) signaling approx. sixfold more strongly than wild-type RANK without the ligand. The dimerization of extracellular GST is considered to function as a switch outside the cell, and signal transduction then occurs. GST has been widely employed as a tag for protein purification; GST-fusion protein can be conveniently captured by glutathione-conjugated beads and easily purified from impurity. The present study is a pioneering example of the novel utility of GST and provides information for the development of new chem. biol. systems.8-Bromooctanoic acid(cas: 17696-11-6Application In Synthesis of 8-Bromooctanoic acid) 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.Application In Synthesis of 8-Bromooctanoic acid

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Oe, Yuno; Yoshida, Ryuhei; Tanaka, Airi; Adachi, Akiya; Ishibashi, Yuichiro; Okazoe, Takashi; Aikawa, Kohsuke; Hashimoto, Takuya published an article in Journal of the American Chemical Society. The title of the article was 《An N-Fluorinated Imide for Practical Catalytic Imidations》.HPLC of Formula: 3141-27-3 The author mentioned the following in the article:

Hherein the development of a novel N-fluorinated imide, N-fluoro-N-(fluorosulfonyl)carbamate (NFC), by which the attached imide moiety acted as a modular synthetic handle for one-step derivatization to amines, sulfonamides, and sulfamides was reported. Furthermore, this study revealed the superior reactivity of NFC as showcased in a copper-catalyzed imidation of benzene derivatives and imidocyanation of aliphatic alkenes, overcoming the limitation of NFSI-mediated reactions.2,5-Dibromothiophene(cas: 3141-27-3HPLC of Formula: 3141-27-3) was used in this study.

2,5-Dibromothiophene(cas: 3141-27-3) , is mainly used as pharmaceutical intermediate and synthesis intermediate. 2,5-Dibromothiophene may be used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes.HPLC of Formula: 3141-27-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Zhu, Jin; Wang, Yidong; Charlack, Aaron D.; Wang, Yi-Ming published an article in Journal of the American Chemical Society. The title of the article was 《Enantioselective and Diastereodivergent Allylation of Propargylic C-H Bonds》.Product Details of 2635-13-4 The author mentioned the following in the article:

An iridium-catalyzed stereoselective coupling of allylic ethers and alkynes to generate 3,4-substituted 1,5-enynes was reported. Under optimized conditions, the coupling products were formed with excellent regio-, diastereo-, and enantioselectivities, and the protocol was functional group tolerant. Moreover, conditions that allowed the reaction to proceed with complete reversal of diastereoselectivity was reported. Mechanistic studies were consistent with an unprecedented dual role for the iridium catalyst, enabling the propargylic deprotonation of the alkyne through π-coordination, as well as the generation of a π-allyl species from the allylic ether starting material. The experimental part of the paper was very detailed, including the reaction process of 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4Product Details of 2635-13-4)

Furthermore, the coupling of 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4) with β-methallyl alcohol was catalyzed by Pd(OAc)2 in combination with P(t-Bu)3.Product Details of 2635-13-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Wang, Hang; Lu, Hao; Chen, Ya-Nan; Ran, Guangliu; Zhang, Andong; Li, Dawei; Yu, Na; Zhang, Zhe; Liu, Yahui; Xu, Xinjun; Zhang, Wenkai; Bao, Qinye; Tang, Zheng; Bo, Zhishan published an article in Advanced Materials (Weinheim, Germany). The title of the article was 《Chlorination Enabling a Low-Cost Benzodithiophene-Based Wide-Bandgap Donor Polymer with an Efficiency of over 17%》.Electric Literature of C4H2Br2S The author mentioned the following in the article:

Three regioregular benzodithiophene-based donor-donor (D-D)-type polymers (PBDTT, PBDTT1Cl, and PBDTT2Cl) are designed, synthesized, and used as donor materials in organic solar cells (OSCs). Because of the weak intramol. charge-transfer effect, these polymers exhibit large optical bandgaps (>2.0 eV). Among these three polymers, PBDTT1Cl exhibits more ordered and closer mol. stacking, and its devices demonstrate higher and more balanced charge mobilities and a longer charge-separated state lifetime. As a result of these comprehensive benefits, PBDTT1Cl-based OSCs give a very impressive power conversion efficiency (PCE) of 17.10% with a low nonradiative energy loss (0.19 eV). Moreover, PBDTT1Cl also possesses a low figure-of-merit value and good universality to match with different acceptors. This work provides a simply and efficient strategy to design low-cost high-performance polymer donor materials. In the part of experimental materials, we found many familiar compounds, such as 2,5-Dibromothiophene(cas: 3141-27-3Electric Literature of C4H2Br2S)

2,5-Dibromothiophene(cas: 3141-27-3) , is mainly used as pharmaceutical intermediate and synthesis intermediate. 2,5-Dibromothiophene may be used in the preparation of soluble α,ω-diformyl-a-oligothiophenes.Electric Literature of C4H2Br2S

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Andrews, David M.; Cartic, Sharon; Cosulich, Sabina; Divecha, Nullin; Faulder, Paul; Flemington, Vikki; Kern, Oliver; Kettle, Jason G.; MacDonald, Ellen; McKelvie, Jennifer; Pike, Kurt G.; Roberts, Bryan; Rowlinson, Rachel; Smith, James M.; Stockley, Martin; Swarbrick, Martin E.; Treinies, Iris; Waring, Michael J. published an article in Bioorganic & Medicinal Chemistry. The title of the article was 《Identification and optimization of a novel series of selective PIP5K inhibitors》.Safety of 3,5-Dibromoaniline The author mentioned the following in the article:

Phosphatidyl inositol (4,5)-bisphosphate (PI(4,5)P2) plays several key roles in human biol. and the lipid kinase that produces PI(4,5)P2, PIP5K, has been hypothesized to provide a potential therapeutic target of interest in the treatment of cancers. To better understand and explore the role of PIP5K in human cancers there remains an urgent need for potent and specific PIP5K inhibitor mols. Following a high throughput screen of the AstraZeneca collection, a novel, moderately potent and selective inhibitor of PIP5K, 1, was discovered. Detailed exploration of the SAR for this novel scaffold resulted in the considerable optimization of both potency for PIP5K, and selectivity over the closely related kinase PI3Kα, as well as identifying several opportunities for the continued optimization of drug-like properties. As a result, several high quality in vitro tool compounds were identified (8, 20 and 25) that demonstrate the desired biochem. and cellular profiles required to aid better understanding of this complex area of biol.3,5-Dibromoaniline(cas: 626-40-4Safety of 3,5-Dibromoaniline) was used in this study.

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Amine, any member of a family of nitrogen-containing organic compounds that is derived, either in principle or in practice, from ammonia (NH3). Naturally occurring amines include the alkaloids, which are present in certain plants; the catecholamine neurotransmitters (i.e., dopamine, epinephrine, and norepinephrine); and a local chemical mediator, histamine, that occurs in most animal tissues.Safety of 3,5-Dibromoaniline

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary