Category: benzothiophene

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Methyl 3-bromopropanoate(SMILESS: O=C(OC)CCBr,cas:3395-91-3) is researched.Application In Synthesis of 2-[4-(Pyrimidin-2-yl)piperazin-1-yl]pyrimidine. The article 《Design, synthesis and biological evaluation of dihydro-2-quinolone platinum(IV) hybrids as antitumor agents displaying mitochondria injury and DNA damage mechanism》 in relation to this compound, is published in Dalton Transactions. Let’s take a look at the latest research on this compound (cas:3395-91-3).

The design of novel platinum(IV) complexes with mitochondria injury competence, besides the DNA damage mechanism, is a promising way to develop new platinum drugs. Herein, dihydro-2-quinolone (DHQLO) as a mitocan was incorporated into the platinum(IV) system for the first time to prepare a new series of DHQLO platinum(IV) compounds Complex 1b could effectively inhibit the proliferation of tumor cells in vitro and in vivo. It accumulated at higher levels in both whole cells and DNA, and easily underwent intercellular reduction to release platinum(II) and DHQLO moieties. The released platinum(II) complex caused serious DNA damage by covalent conjunction with the DNA duplex, and remarkably increased the expression of the γ-H2AX protein. Moreover, 1b also caused serious mitochondria injury to induce mitochondrial membrane depolarization and increase ROS generation. Such actions upon DNA and mitochondria activate the p53 apoptotic pathway synergetically in tumor cells by upregulating the protein p53 and apoptotic proteins caspase9 and caspase3, which efficiently promoted the apoptotic death of tumor cells. Compound 1b with such synergic mechanism exhibited great potential in reversing cisplatin resistance and improving antitumor efficacies.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.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. researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Application of 3395-91-3.They published the article 《Discovery of LYS006, a Potent and Highly Selective Inhibitor of Leukotriene A4 Hydrolase》 about this compound( cas:3395-91-3 ) in Journal of Medicinal Chemistry. Keywords: tetrazole derivative LYS 006 preparation LTA4H inhibitor antiinflammatory activity. We’ll tell you more about this compound (cas:3395-91-3).

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.

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Benzothiophene – Wikipedia,
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Recommanded Product: Methyl 3-bromopropanoate. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Methyl 3-bromopropanoate, is researched, Molecular C4H7BrO2, CAS is 3395-91-3, about Electrochemical Synthesis of 2-Bromoethyl and 2-Iodoethyl Ketones from Cyclopropanols. Author is Barysevich, Maryia V.; Aniskevich, Yauhen M.; Hurski, Alaksiej L..

A simple electrochem. protocol for the preparation of 2-bromoethyl- and 2-iodoethyl ketones from cyclopropanols and magnesium halides were developed. The reaction proceeded with exclusive regioselectivity and without epimerization of the α-stereocenter in the products. The synthesized diastereomerically pure 2-bromoethyl ketones underwent smooth copper and nickel-catalyzed alkylation, alkenylation, and arylations reactions.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Oum, Yoon Hyeun; Kell, Steven A.; Yoon, Younghyoun; Liang, Zhongxing; Burger, Pieter; Shim, Hyunsuk researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Product Details of 3395-91-3.They published the article 《Discovery of novel aminopiperidinyl amide CXCR4 modulators through virtual screening and rational drug design》 about this compound( cas:3395-91-3 ) in European Journal of Medicinal Chemistry. Keywords: antiinflammatory CXCR4 chemokine modulator ligand shape similarity docking MDS; C-X-C chemokine receptor type 4 (CXCR4); Chemokine modulator; Ligand shape similarity; Molecular docking; Molecular dynamics; Structure-based drug design. We’ll tell you more about this compound (cas:3395-91-3).

The C-X-C chemokine receptor type 4 (CXCR4) is a potential therapeutic target for HIV infection, metastatic cancer, and inflammatory autoimmune diseases. In this study, we screened the ZINC chem. database for novel CXCR4 modulators through a series of in silico guided processes. After evaluating the screened compounds for their binding affinities to CXCR4 and inhibitory activities against the chemoattractant CXCL12, we identified a hit compound (ZINC 72372983) showing 100 nM affinity and 69% chemotaxis inhibition at the same concentration (100 nM). To increase the potency of our hit compound, we explored the protein-ligand interactions at an at. level using mol. dynamics simulation which enabled us to design and synthesize a novel compound (Z7R) with nanomolar affinity (IC50 = 1.25 nM) and improved chemotaxis inhibition (78.5%). Z7R displays promising anti-inflammatory activity (50%) in a mouse edema model by blocking CXCR4-expressed leukocytes, being supported by our immunohistochem. study.

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Benzothiophene – Wikipedia,
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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 1086138-36-4, is researched, SMILESS is P(CCNCCP(C12CC3CC(C2)CC(C3)C1)C45CC6CC(C5)CC(C6)C4)(C78CC9CC(C8)CC(C9)C7)C%10%11CC%12CC(C%11)CC(C%12)C%10, Molecular C44H69NP2Journal, Asian Journal of Organic Chemistry called Pincer Ligand Enhanced Rhodium-Catalyzed Carbonylation of Formaldehyde: Direct Ethylene Glycol Production, Author is Meyer, Tim; Konrath, Robert; Kamer, Paul C. J.; Wu, Xiao-Feng, the main research direction is rhodium formaldehyde ethylene glycol carbonylation catalyst.Product Details of 1086138-36-4.

Formaldehyde is one of the most important bulk chems. and is produced on a million tone scale (52 million tons in 2017).[1] Since the middle of the last century, the challenge has remained to produce the valuable ethylene glycol (EG) directly from the C1 building block formaldehyde in a single step. In the systems reported so far, the reaction conditions were very harsh, often with pressures above 400 bar. However, under milder conditions, the selectivity was on the side of glycol aldehyde (GA) and the hydrogenation product methanol. Only traces of EG could be generated in the presence of a Rh catalyst. Herein, the authors describe a new Rh catalyst system with pincer ligand, which allows the direct one pot synthesis of EG from easy to handle paraformaldehyde (PFA) at remarkable mild conditions (70 bar, 100°C) and overcomes the aforementioned limitations with yield up to 40%.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Drogkaris, Vasileios; Northrop, Brian H. researched the compound: Methyl 3-bromopropanoate( cas:3395-91-3 ).Recommanded Product: Methyl 3-bromopropanoate.They published the article 《Byproducts formed During Thiol-Acrylate Reactions Promoted by Nucleophilic Aprotic Amines: Persistent or Reactive?》 about this compound( cas:3395-91-3 ) in ChemPlusChem. Keywords: thiol acrylate nucleophilic aprotic amine Michael reaction mechanism; click chemistry; density functional theory; nucleophiles; reaction mechanisms; thiol-Michael reactions. We’ll tell you more about this compound (cas:3395-91-3).

The nucleophile-initiated mechanism of thiol-Michael reactions naturally leads to the formation of undesired nucleophile byproducts. Three aza-Michael compounds representing nucleophile byproducts of thiol-acrylate reactions initiated by 4-dimethylaminopyridine (DMAP), 1-methylimidazole (MIM), and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) have been synthesized and their reactivity in the presence of thiolate has been investigated. Spectroscopic anal. shows that each nucleophile byproduct reacts with thiolate to produce a desired thiol-acrylate product along with liberated aprotic amines DMAP, MIM, or DBU, thus demonstrating that these byproducts are reactive rather than persistent. D. functional theor. computations support exptl. observations and predict that a β-elimination mechanism is favored for converting each nucleophile byproduct into a desired thiol-acrylate product, though an SN2 process can be competitive (i. e. within <2.5 kcal/mol) in less polar solvents. Here is just a brief introduction to this compound(3395-91-3)Recommanded Product: Methyl 3-bromopropanoate, more information about the compound(Methyl 3-bromopropanoate) is in the article, you can click the link below.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Recommanded Product: 1086138-36-4. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Additive-Free Isomerization of Allylic Alcohols to Ketones with a Cobalt PNP Pincer Catalyst.

Catalytic isomerization of allylic alcs. in ethanol as a green solvent was achieved by using air and moisture stable cobalt (II) complexes in the absence of any additives. Under mild conditions, the cobalt PNP pincer complex substituted with Ph groups on the phosphorus atoms appeared to be the most active. High rates were obtained at 120°, even though the addition of one equivalent of base increases the speed of the reaction drastically. Although some evidence was obtained supporting a dehydrogenation-hydrogenation mechanism, it was proved that this is not the major mechanism. Instead, the cobalt hydride complex formed by dehydrogenation of ethanol was capable of double-bond isomerization through alkene insertion-elimination.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Electric Literature of C4H7BrO2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Methyl 3-bromopropanoate, is researched, Molecular C4H7BrO2, CAS is 3395-91-3, about Synthesis and Biological Validation of a Harmine-Based, Central Nervous System (CNS)-Avoidant, Selective, Human β-Cell Regenerative Dual-Specificity Tyrosine Phosphorylation-Regulated Kinase A (DYRK1A) Inhibitor. Author is Kumar, Kunal; Wang, Peng; Wilson, Jessica; Zlatanic, Viktor; Berrouet, Cecilia; Khamrui, Susmita; Secor, Cody; Swartz, Ethan A.; Lazarus, Michael; Sanchez, Roberto; Stewart, Andrew F.; Garcia-Ocana, Adolfo; DeVita, Robert J..

Recently, our group identified that harmine is able to induce β-cell proliferation both in vitro and in vivo, mediated via the DYRK1A-NFAT pathway. Since, harmine suffers from a lack of selectivity, both against other kinases and CNS off-targets, we therefore sought to expand structure-activity relationships for harmine’s DYRK1A activity, to enhance selectivity for off-targets while retaining human β-cell proliferation activity. We carried out optimization of the 9-N-position of harmine to synthesize 29 harmine-based analogs. Several novel inhibitors showed excellent DYRK1A inhibition and human β-cell proliferation capability. An optimized DYRK1A inhibitor, compound I, was identified as a novel, efficacious in vivo lead candidate. Compound I also demonstrates improved selectivity for kinases and CNS off-targets, as well as in vivo efficacy for β-cell proliferation and regeneration at lower doses than harmine. Collectively, these findings demonstrate that compound I is a much improved in vivo lead candidate as compared to harmine for the treatment of diabetes.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Safety of Methyl 3-bromopropanoate. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Methyl 3-bromopropanoate, is researched, Molecular C4H7BrO2, CAS is 3395-91-3, about In vitro evaluation of antiproliferative properties of novel organotin(IV) carboxylate compounds with propanoic acid derivatives on a panel of human cancer cell lines. Author is Pantelic, Nebojsa D.; Bozic, Bojan; Zmejkovski, Bojana B.; Banjac, Nebojsa R.; Dojcinovic, Biljana; Wessjohann, Ludger A.; Kaluderovic, Goran N..

The synthesis of novel triphenyltin(IV) compounds, Ph3SnLn (n = 1-3), with oxaprozin (3-(4,5-diphenyloxazol-2-yl)propanoic acid), HL1, and the new propanoic acid derivatives 3-(4,5-bis(4-methoxylphenyl)oxazol-2-yl)propanoic acid, HL2, and 3-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)propanoic acid, HL3, has been performed. The ligands represent com. drugs or their derivatives and the tin complexes have been characterized by standard anal. methods. The in vitro antiproliferative activity of both ligands and organotin(IV) compounds has been evaluated on the following tumor cell lines: human prostate cancer (PC-3), human colorectal adenocarcinoma (HT-29), breast cancer (MCF-7), and hepatocellular cancer (HepG2), as well as on normal mouse embryonic fibroblast cells (NIH3T3) with the aid of MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-12 diphenyltetrazolium bromide) and CV (crystal violet) assays. Contrary to the inactive ligand precursors, all organotin(IV) carboxylates showed very good activity with IC50 values ranging from 0.100 to 0.758 μM. According to the CV assay (IC50 = 0.218 ± 0.025 μM), complex Ph3SnL1 demonstrated the highest cytotoxicity against the caspase 3 deficient MCF-7 cell line. Inductively coupled plasma mass spectrometry (ICP-MS) anal. indicated a two-fold lower concentration of tin in MCF-7 cells in comparison to platinum. To investigate the mechanism of action of the compound Ph3SnL1 on MCF-7 cells, morphol., autophagy and cell cycle anal., as well as the activation of caspase and ROS/RNS and NO production, has been performed. Results suggest that Ph3SnL1 induces caspase-independent apoptosis in MCF-7 cells.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Application of 3395-91-3. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Methyl 3-bromopropanoate, is researched, Molecular C4H7BrO2, CAS is 3395-91-3, about Cobalt(I)-Catalyzed Borylation of Unactivated Alkyl Bromides and Chlorides. Author is Verma, Piyush Kumar; Prasad, K. Sujit; Varghese, Dominic; Geetharani, K..

A Co-complex-catalyzed borylation of a wide range of alkyl halides with a diboron reagent (B2pin2 or B2neop2) was developed under mild reaction conditions, demonstrating the 1st Co-mediated cross-coupling with alkyl electrophiles. This protocol allows alkyl boronic esters to be accessed from alkyl halides, including alkyl chlorides, which were used rarely as coupling partners. Mechanistic studies reveal the possible involvement of an alkyl radical intermediate in this Co-mediated catalytic cycle.

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