Month: October 2022

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

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

SDS of cas: 623-24-5In 2022 ,《Quantifying the barrier for the movement of cyclobis(paraquat-p-phenylene) over the dication of monopyrrolotetrathiafulvalene》 was published in Organic & Biomolecular Chemistry. The article was written by Kristensen, Rikke; Neumann, Mathias S.; Andersen, Sissel S.; Stein, Paul C.; Flood, Amar H.; Jeppesen, Jan O.. The article contains the following contents:

A bistable [2]pseudorotaxane 1⊂CBPQT·4PF6 and a bistable [2]rotaxane 2·4PF6 have been synthesized to measure the height of an electrostatic barrier produced by double mol. oxidation (0 to +2). Both systems have monopyrrolotetrathiafulvalene (MPTTF) and oxyphenylene (OP) as stations for cyclobis(paraquat-p-phenylene) (CBPQT4+). They have a large stopper at one end while the second stopper in 24+ is composed of a thioethyl (SEt) group and a thiodiethyleneglycol (TDEG) substituent, whereas in 1⊂CBPQT4+, the SEt group has been replaced with a less bulky thiomethyl (SMe) group. This seemingly small difference in the substituents on the MPTTF unit leads to profound changes when comparing the phys. properties of the two systems allowing for the first measurement of the deslipping of the CBPQT4+ ring over an MPTTF2+ unit in the [2]pseudorotaxane. Cyclic voltammetry and 1H NMR spectroscopy were used to investigate the switching mechanism for 1⊂CBPQT·MPTTF4+ and 2·MPTTF4+, and it was found that CBPQT4+ moves first to the OP station producing 1⊂CBPQT·OP6+ and 2·OP6+, resp., upon oxidation of the MPTTF unit. The kinetics of the complexation/decomplexation process occurring in 1⊂CBPQT·MPTTF4+ and in 1⊂CBPQT·OP6+ were studied, allowing the free energy of the transition state when CBPQT4+ moves across a neutral MPTTF unit (17.0 kcal mol-1) or a di-oxidised MPTTF2+ unit (24.0 kcal mol-1) to be determined These results demonstrate that oxidation of the MPTTF unit to MPTTF2+ increases the energy barrier that the CBPQT4+ ring must overcome for decomplexation to occur by 7.0 kcal mol-1. In the experiment, the researchers used many compounds, for example, 1,4-Bis(bromomethyl)benzene(cas: 623-24-5SDS of cas: 623-24-5)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) belongs to organobromine compounds.Most of the natural organobromine compounds are produced by marine organisms , and several brominated metabolites with antibacterial , antitumor , antiviral , and antifungal activity have been isolated from seaweed, sponges, corals, molluscs, and others. SDS of cas: 623-24-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Category: bromides-buliding-blocksIn 2021 ,《Synthesis and anti-inflammatory activity of saponin derivatives of δ-oleanolic acid》 was published in European Journal of Medicinal Chemistry. The article was written by Liu, Liu; Li, Haobin; Hu, Kaiwen; Xu, Qinglong; Wen, Xiaoan; Cheng, Keguang; Chen, Caiping; Yuan, Haoliang; Dai, Liang; Sun, Hongbin. The article contains the following contents:

Pentacyclic triterpenes (PTs) are the active ingredients of many medicinal herbs and pharmaceutical formulations, and are well-known for their anti-inflammatory activity. Recently, the anti-inflammatory effects of AMP-activated protein kinase (AMPK) have also drawn much attention. In this study, the authors found that a variety of naturally occurring PTs sapogenins and saponins could stimulate the phosphorylation of AMPK, and identified δ-oleanolic acid as a potent AMPK activator. Based on these findings, 23 saponin derivatives of δ-oleanolic acid were synthesized in order to find more potent anti-inflammatory agents with improved pharmacokinetic properties. The results of cellular assays showed that saponin I significantly inhibited LPS-induced secretion of pro-inflammatory factors TNF-α and IL-6 in THP1-derived macrophages. Preliminary mechanistic studies showed that I stimulated the phosphorylation of AMPK and acetyl-CoA carboxylase (ACC). The bioavailability of I was significantly improved in comparison with its aglycon. More importantly, I showed significant anti-inflammatory and liver-protective effects in LPS/D-GalN-induced fulminant hepatic failure mice. Taken together, PTs saponins hold promise as therapeutic agents for inflammatory diseases. In the experiment, the researchers used many compounds, for example, (2R,3R,4S,5S,6S)-2-Bromo-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate(cas: 21085-72-3Category: bromides-buliding-blocks)

(2R,3R,4S,5S,6S)-2-Bromo-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate(cas: 21085-72-3) may be used for the synthesis of HMR1098-S-Glucuronide Methyl Ester, a new K-ATP-blocking agent being developed as a drug for prevention of sudden cardiac death.Category: bromides-buliding-blocks

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Formula: C5BrMnO5In 2020 ,《In Situ Solution-State Characterization of MOF-Immobilized Transition-Metal Complexes by Infrared Spectroscopy》 was published in ACS Applied Materials & Interfaces. The article was written by Mamlouk, Hind; Elumalai, Palani; Kumar, Manyam Praveen; Aidoudi, Farida H.; Bengali, Ashfaq A.; Madrahimov, Sherzod T.. The article contains the following contents:

Transition metal catalysts immobilized on the surface of MOFs, are being utilized for an ever increasing number of reactions ranging from couplings to olefin oligomerization. While these reactions are usually performed in solution, unlike their homo-geneous counterparts, the insolubility of the MOF systems makes it difficult to obtain detailed mechanistic information by in situ spectroscopic anal. in solution In this report, we present a synthetic method to solubilize these systems by grafting oligomers on the surface of the MOF particles, making it possible to characterize these species by transmission IR spectros-copy. The fundamental photochem. of these catalysts was also studied and compared to that of their homogeneous counterparts. This work establishes a proof of principle for in solution monitoring of heterogeneous catalysts. In the part of experimental materials, we found many familiar compounds, such as Bromopentacarbonylmanganese(I)(cas: 14516-54-2Formula: C5BrMnO5)

Bromopentacarbonylmanganese(I)(cas: 14516-54-2) has many other uses. It is used in the formation of (eta6-arene)tricarbonylmanganese(I) by reacting with arene (arene= hexamethyl benzene, 1,2,4,5-tetramethyl benzene, mesitylene, p-xylene and toluene) in the presence silver salt.Formula: C5BrMnO5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Safety of 1,4-Bis(bromomethyl)benzeneIn 2021 ,《Tailoring the Pore Size and Chemistry of Ionic Ultramicroporous Polymers for Trace Sulfur Dioxide Capture with High Capacity and Selectivity》 was published in Angewandte Chemie, International Edition. The article was written by Suo, Xian; Yu, Ying; Qian, Siheng; Zhou, Lin; Cui, Xili; Xing, Huabin. The article contains the following contents:

Here we demonstrate the deep removal of SO2 with high uptake capacity (1.55 mmol g-1) and record SO2/CO2 selectivity (>5000) at ultra-low pressure of 0.002 bar, using ionic ultramicroporous polymers (IUPs) with high d. of basic anions. The successful construction of uniform ultramicropores via polymerizing ionic monomers into IUPs enables the fully exploitation of the selective anionic sites. Notably, the aperture size and surface chem. of IUPs can be finely tuned by adjusting the branched structure of ionic monomers, which play critical roles in excluding CH4 and N2, as well as reducing the coadsorption of CO2. The swelling property of IUPs with adsorption of SO2 contributed to the high SO2 uptake capacity and high separation selectivity. Systematic investigations including static gas adsorption, dynamic breakthrough experiments, stability tests and modeling studies confirmed the efficient performance of IUPs for trace SO2 capture. The results came from multiple reactions, including the reaction of 1,4-Bis(bromomethyl)benzene(cas: 623-24-5Safety of 1,4-Bis(bromomethyl)benzene)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) belongs to organobromine compounds.Depending on the type of carbon to which the bromine is bonded, organic bromide could be alkyl, alkenyl, alkynyl, or aryl. Due to the reactivity of bromide, they are used as potential precursors or important intermediates in organic synthesis. Safety of 1,4-Bis(bromomethyl)benzene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Computed Properties of C19H18BrPIn 2020 ,《Fitting of experimental viscosity to temperature data for deep eutectic solvents》 was published in Journal of Molecular Liquids. The article was written by Al-Dawsari, Jiyad N.; Bessadok-Jemai, Abdelbasset; Wazeer, Irfan; Mokraoui, Salim; AlMansour, Muath A.; Hadj-Kali, Mohamed K.. The article contains the following contents:

Seven new deep eutectic solvents based on tetrabutylammonium bromide and tetraethylammonium p-toluene sulfonate were prepared and their viscosity determined between 298.15 and 323.15 K. The effect of temperature was modeled using an appropriate fitting procedure, proposed in this work, with a coefficient of determination R2 > 0.99 for all DES. The fitting procedure used of pre-existing exptl. data in which 70 DESs were collected from the literature and refined on the basis of R2 and root mean square error (RMSE); ∼10% of the data was rejected. Furthermore, about half of the refined data was fitted with a three-parameter Vogel-Fulcher-Tammann (VFT) equation with an R2 higher than 0.99. The remaining data were more adequately fitted with a two-parameter Arrhenius equation. The adjusted parameters of both models for 62 DESs were determined to estimate the viscosity. Based on R2, the VFT model was more accurate than the Arrhenius model. Moreover, addnl. in-lab experiments were performed for model validation at six temperatures In some cases, the exptl. measurements were different from those in the literature with an R2 below 0.95 indicating a large scatter in the viscosity data. Most of the highly viscous DESs considered in this study showed a rapid decay when temperature increases. Hence, the limitation of using these solvents for applications such as absorption could be overcome by operating at slightly higher temperature (i.e., 313.15 to 333.15 K). After reading the article, we found that the author used Methyltriphenylphosphonium bromide(cas: 1779-49-3Computed Properties of C19H18BrP)

Methyltriphenylphosphonium bromide(cas: 1779-49-3) is a lipophilic molecule with a cation allowing for it to be used to deliver molecules to specific cell components. Also considered an antineoplastic agent.Computed Properties of C19H18BrP

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

COA of Formula: C8H8Br2In 2019 ,《A Dynamic Tetracationic Macrocycle Exhibiting Photoswitchable Molecular Encapsulation》 was published in Journal of the American Chemical Society. The article was written by Wu, Huang; Chen, Yong; Zhang, Long; Anamimoghadam, Ommid; Shen, Dengke; Liu, Zhichang; Cai, Kang; Pezzato, Cristian; Stern, Charlotte L.; Liu, Yu; Stoddart, J. Fraser. The article contains the following contents:

Designing macrocycles with appropriate mol. recognition features that allow for the integration of suitable external stimuli to control host-guest processes is a challenging endeavor which enables mol. containers to solubilize, stabilize, and sep. chem. entities in an externally controllable manner. Herein, we introduce photo- and thermal-responsive elements into a semi-rigid tetracationic cyclophane, OPVEx2Box4+, that is composed of oligo(p-phenylenevinylene) pyridinium units and the biphenylene-bridged 4,4-bipyridinium extended viologens and adopts a rectangle-like geometry. It transpires that when the photoactive oligo(p-phenylenevinylene) pyridinium unit is incorporated in a macrocyclic scaffold, its reversibility is dramatically improved, and the configurations of the cyclophane can go back and forth between (EE)- and (EZ)-isomers upon alternating blue light irradiation and heating. When the macrocycle is found in its (EE)-configuration, it is capable of binding various π-electron-rich guests-e.g., anthracene and perylene-as well as π-electron-deficient guests-e.g., 9,10-anthraquinone and 5,12-tetracenequinone-through charge-transfer and van der Waals interactions. When irradiated with blue light, the (EE)-isomer of the cyclophane can be transformed successfully to the (EZ)-isomer, resulting in the switching off of the binding affinity for guest mols., which are bound once again upon heating. The use of light and heat as external stimuli to control host-guest interactions involving a multi-responsive host and various guests provides us with a new opportunity to design and construct more-advanced mol. switches and machines. In the part of experimental materials, we found many familiar compounds, such as 1,4-Bis(bromomethyl)benzene(cas: 623-24-5COA of Formula: C8H8Br2)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) belongs to organobromine compounds.Most of the natural organobromine compounds are produced by marine organisms , and several brominated metabolites with antibacterial , antitumor , antiviral , and antifungal activity have been isolated from seaweed, sponges, corals, molluscs, and others. In contrast, terrestrial plants account only for a few bromine-containing compounds.COA of Formula: C8H8Br2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Electric Literature of C4H7BrO2In 2021 ,《Discovery of LYS006, a Potent and Highly Selective Inhibitor of Leukotriene A4 Hydrolase》 was published in Journal of Medicinal Chemistry. The article was written by Markert, Christian; Thoma, Gebhard; Srinivas, Honnappa; Bollbuck, Birgit; Luond, Rainer M.; Miltz, Wolfgang; Walchli, Rudolf; Wolf, Romain; Hinrichs, Jurgen; Bergsdorf, Christian; Azzaoui, Kamal; Penno, Carlos A.; Klein, Kai; Wack, Nathalie; Jager, Petra; Hasler, Franziska; Beerli, Christian; Loetscher, Pius; Dawson, Janet; Wieczorek, Grazyna; Numao, Shin; Littlewood-Evans, Amanda; Rohn, Till A.. The article contains the following contents:

The cytosolic metalloenzyme leukotriene A4 hydrolase (LTA4H) is the final and rate-limiting enzyme in the biosynthesis of pro-inflammatory leukotriene B4 (LTB4). Preclin. studies have validated this enzyme as an attractive drug target in chronic inflammatory diseases. Despite several attempts, no LTA4H inhibitor has reached the market, yet. Herein, we disclose the discovery and preclin. profile of LYS006 (I), a highly potent and selective LTA4H inhibitor. A focused fragment screen identified hits that could be cocrystd. with LTA4H and inspired a fragment merging. Further optimization led to chiral amino acids and ultimately to LYS006, a picomolar LTA4H inhibitor with exquisite whole blood potency and long-lasting pharmacodynamic effects. Due to its high selectivity and its ability to fully suppress LTB4 generation at low exposures in vivo, LYS006 has the potential for a best-in-class LTA4H inhibitor and is currently investigated in phase II clin. trials in inflammatory acne, hidradenitis suppurativa, ulcerative colitis, and NASH. After reading the article, we found that the author used Methyl 3-bromopropanoate(cas: 3395-91-3Electric Literature of C4H7BrO2)

Methyl 3-bromopropanoate(cas: 3395-91-3) 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.Electric Literature of C4H7BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

HPLC of Formula: 17696-11-6In 2019 ,《Fenton-Inspired C-H Functionalization: Peroxide-Directed C-H Thioetherification》 was published in Journal of Organic Chemistry. The article was written by Groendyke, Brian J.; Modak, Atanu; Cook, Silas P.. The article contains the following contents:

Substoichiometric iron mediates the thioetherification of unactivated aliphatic C-H bonds directed by resident silylperoxides. Upon exposure to a catalytic amount of iron(II) triflate, TIPS-protected peroxides bearing primary, secondary, and tertiary C-H sites undergo chemoselective thioetherification of remote C-H bonds with diaryl disulfides. The reaction demonstrates a broad substrate scope and functional group tolerance without the use of any noble metal additives. Mechanistic experiments suggest that the reaction proceeds through 1,5-H atom abstraction by a hydroxyl radical generated with iron. The results came from multiple reactions, including the reaction of 8-Bromooctanoic acid(cas: 17696-11-6HPLC of Formula: 17696-11-6)

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.HPLC of Formula: 17696-11-6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary