Category: bromides-buliding-blocks

Tanimoto, Kouichi published the artcileA convenient one-pot access to phenanthridinones via Suzuki-Miyaura cross-coupling reaction, Recommanded Product: Methyl 2-bromo-3-fluorobenzoate, the main research area is phenanthridinone preparation Suzuki Miyaura coupling aminophenylboronic acid halobenzoate.

A convenient one-step access to biol. important phenanthridinones has been realized based upon Suzuki-Miyaura cross-coupling reaction. Reactions of 2-aminophenylboronic acid with 2-halobenzoate took place smoothly to afford substituted phenanthridinones in excellent yields in the presence of palladium(II) acetate and 2-dicyclohexylphosphino-2′,6′-dimethoxybiphenyl (SPhos) as pre-catalysts. A natural product phenaglydon was synthesized in one-pot manner from readily available starting materials in 95% yield.

Tetrahedron Letters published new progress about Aromatic carboxylic acids, esters Role: RCT (Reactant), RACT (Reactant or Reagent). 647020-71-1 belongs to class bromides-buliding-blocks, name is Methyl 2-bromo-3-fluorobenzoate, and the molecular formula is C8H6BrFO2, Recommanded Product: Methyl 2-bromo-3-fluorobenzoate.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Tian, Jianhua published the artcileDiscovery and Structure-Based Optimization of Potent and Selective WD Repeat Domain 5 (WDR5) Inhibitors Containing a Dihydroisoquinolinone Bicyclic Core, HPLC of Formula: 452-63-1, the main research area is WD repeat domain WDR5 inhibitor dihydroisoquinolinone bicyclic core.

WD repeat domain 5 (WDR5) is a member of the WD40-repeat protein family that plays a critical role in multiple chromatin-centric processes. Overexpression of WDR5 correlates with a poor clin. outcome in many human cancers, and WDR5 itself has emerged as an attractive target for therapy. Most drug-discovery efforts center on the WIN site of WDR5 that is responsible for the recruitment of WDR5 to chromatin. Here, we describe discovery of a novel WDR5 WIN site antagonists containing a dihydroisoquinolinone bicyclic core using a structure-based design. These compounds exhibit picomolar binding affinity and selective concentration-dependent antiproliferative activities in sensitive MLL-fusion cell lines. Furthermore, these WDR5 WIN site binders inhibit proliferation in MYC-driven cancer cells and reduce MYC recruitment to chromatin at MYC/WDR5 co-bound genes. Thus, these mols. are useful probes to study the implication of WDR5 inhibition in cancers and serve as a potential starting point toward the discovery of anti-WDR5 therapeutics.

Journal of Medicinal Chemistry published new progress about Animal gene Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 452-63-1 belongs to class bromides-buliding-blocks, name is 1-Bromo-4-fluoro-2-methylbenzene, and the molecular formula is C7H6BrF, HPLC of Formula: 452-63-1.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Tu, Zhude published the artcileSynthesis and Evaluation of 15-(4-(2-[18F]Fluoroethoxy)phenyl)pentadecanoic Acid: A Potential PET Tracer for Studying Myocardial Fatty Acid Metabolism, HPLC of Formula: 56523-59-2, the main research area is fluorine 18 fluoroethoxy phenyl pentadecanoic acid preparation PET imaging; myocardial fatty acid metabolism imaging PET.

15-(4-(2-[18F]fluoroethoxy)phenyl)pentadecanoic acid ([18F]7) was synthesized as a PET probe for assessing myocardial fatty acid metabolism The radiosynthesis of [18F]7 was accomplished using a two-step reaction, starting with the corresponding tosylate ester, Me 15-(4-(2-(tosyloxy)ethoxy)phenyl)pentadecanoate (5), and gave the radiolabeled fatty acid, [18F]7 in a radiolabeling yield of 55-60% and a specific activity of >2000 Ci/mmol (decay corrected to EOB). The biol. evaluation of [18F]7 in rats displayed high uptake in heart (1.94%ID/g at 5 min), which was higher than the uptake (%ID/g) in blood, lung, muscle, pancreas, and brain. MicroPET studies of [18F]7 in Sprague-Dawley rats demonstrated excellent images of the myocardium when compared with [11C]palmitate images in the same animal. Moreover, the tracer kinetics of [18F]7 paralleled those seen with [11C]palmitate, with an early peak followed by biphasic washout. When compared to [11C]palmitate, [18F]7 exhibited a slower early clearance (0.17 ± 0.01 vs 0.30 ± 0.02, P < 0.0001) and a significantly higher late clearance (0.0030 ± 0.0005 vs 0.0006 ± 0.00013, P < 0.01). These initial studies suggest that [18F]7 could be a potentially useful clin. PET tracer to assess abnormal myocardial fatty acid metabolism Bioconjugate Chemistry published new progress about Fatty acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, HPLC of Formula: 56523-59-2.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Carlson, Lars A. published the artcilePotential hypolipidemic agents. III. Heterocyclic compounds affecting free fatty acid mobilization in vivo, SDS of cas: 41668-13-7, the main research area is fatty acid mobilization fluoronicotinate blood; fluoropyridylacetate fatty acid mobilization blood; methylpyrazole fatty acid mobilization blood.

Compounds such as 3-methyl-5-isoxazolecarboxylic acid [4857-42-5], 5-fluoronicotinic acid [402-66-4], 5-fluoro-3-pyridylacetic acid [38129-24-7], and 3-methylpyrazole [1453-58-3] exhibited the highest inhibition of free fatty acid mobilization in blood among 188 heterocyclic compounds tested in dogs, while compounds such as 5-methyl-3-isoxazolecarboxylic acid [3405-77-4], 2-fluoronicotinic acid [393-55-5], and 3-aminobenzoic acid [99-05-8] had no effect on free fatty acid mobilization.

Acta Pharmaceutica Suecica published new progress about Fatty acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 41668-13-7 belongs to class bromides-buliding-blocks, name is 5-Bromo-6-hydroxynicotinic acid, and the molecular formula is C6H4BrNO3, SDS of cas: 41668-13-7.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Okore, V. C. published the artcileGC-MS analysis of fatty acids of Irvingia gabonensis seed fat, Application of 15-Bromopentadecanoic acid, the main research area is fatty acid Irvingia seed fat.

Dika fat is the name given to the waxy material obtained from the seeds of Irvingia gabonensis (Fam. Irvingiaceae). The fat has been a subject of research in recent years, and it has been evaluated as a component of different drug delivery systems . Despite the impressive properties of this wax as have been established in the earlier studies, information on its chem. composition is rather scanty. Chem. characterization of the wax was done by GC-MS technique. The dika fat was obtained by solvent extraction, using the method described by Udeala et al (1980). A Fisons Trio 200 Quadrupole GC-MS instrument fitted with a 30m × 0.32mm (i.d.) OV-1 capillary column, was used for the anal. The column temperature was programmed to rise from 100°C to 280°C at the rate of 5°/min. The carrier gas was helium flowing at the rate of 1.5ml/min. Ionization voltage of 70eV was applied. The solvent for dika fat was n-hexane. The identity of the components of dika fat was confirmed by a combination of computer-aided identification, the eight peak index of mas spectra as well as co-chromatog. The gas chromatogram of dika fat reveals seven peaks representing major components and about the same number of peaks for the minor components.

Nigerian Journal of Natural Products and Medicine published new progress about Fats and Glyceridic oils Role: ANT (Analyte), ANST (Analytical Study) (dika). 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Application of 15-Bromopentadecanoic acid.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Stoll, G. H. published the artcileSynthesis of a metabolically stable modified long-chain fatty acid salt and its photolabile derivative, Category: bromides-buliding-blocks, the main research area is stearate analog heptafluorooctadecanoate salt; fatty acid salt transport; photoaffinity labeling polypeptide sodium azoheptafluorooctadecanoate; critical micellar concentrate heptafluorooctadecanoic acid; diazirine derivative heptafluorooctadecanoate.

An analog of the long-chain fatty acid salt, sodium stearate, was synthesized in which the H atoms at carbons 2, 3, and 18 were replaced by fluorine. The key step in the synthesis was the addition of 3-iodo-2,2,3,3-tetrafluoropropanoic acid amide to 15,15,15-trifluoro-1-pentadecene. Radioactivity was introduced by catalytic reduction of 2,2,3,3,18,18,18-heptafluoro-4-octadecenoic acid amide with carrier-free tritium gas yielding a product with the specific radioactivity of 2.63 TBq/mmol. The resulting 2,2,3,3,18,18,18-heptafluoro-4-octadecenoic acid has a pKa of about 0.5 and is completely dissociated under normal physiol. conditions. The fluorinated fatty acid salt analog is readily taken up into hepatocytes and proved to be metabolically inert. In an approach to the identification of proteins involved in long-chain fatty acid salt transport across membranes and intracellular compartments, the photolabile derivative 11,11-azo-2,2,3,3,18,18,18-heptafluoro[G-3H]octadecanoic acid sodium salt was synthesized with a specific radioactivity of 2.63 TBq/mmol. Photolysis of the photolabile derivative, using a light source with a maximum emission at 350 nm, occurred with a half-life of 1.5 min. The generated carbene reacted with 14C-labeled MeOH and MeCN with covalent bond formation of 6-13%. Its efficacy for photoaffinity labeling was demonstrated by incorporation into serum albumin, the extracellular fatty acid salt-binding protein, as well as into the intracellular fatty acid salt-binding protein (FABP) of rat liver with mol. weight of 14,000.

Journal of Lipid Research published new progress about Fatty acid-binding proteins Role: RCT (Reactant), RACT (Reactant or Reagent). 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Category: bromides-buliding-blocks.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Liu, Chao published the artcilePalladium-Catalyzed Arylative Dearomatization and Subsequent Aromatization/Dearomatization/Aza-Michael Addition: Access to Zephycarinatine and Zephygranditine Skeletons, Recommanded Product: 2-Bromo-4-methoxybenzoic acid, the main research area is zephycarinatine scaffold synthesis; zephygranditine scaffold synthesis; palladium catalyzed arylative dearomatization Ugi adduct chemoselective stereoselective.

We have developed a novel palladium-catalyzed arylative dearomatization and subsequent aromatization/dearomatization/aza-Michael addition process of Ugi adducts, enabling the rapid construction of diverse zephycarinatine and zephygranditine scaffolds containing two adjacent quaternary carbon stereocenters with excellent chemoselectivity and stereoselectivity in a rapid, step-economical, and highly efficient manner. This approach shows broad substrate scope and excellent functional-group tolerance with diverse electron-rich and electron-deficient aromatic substrates. The synthetic utility of this method is further demonstrated by versatile transformations of the products.

Organic Letters published new progress about Alkaloids Role: SPN (Synthetic Preparation), PREP (Preparation) (plicamine). 74317-85-4 belongs to class bromides-buliding-blocks, name is 2-Bromo-4-methoxybenzoic acid, and the molecular formula is C8H7BrO3, Recommanded Product: 2-Bromo-4-methoxybenzoic acid.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Taleshi, Mojtaba S. published the artcileSynthesis and Characterization of Arsenolipids: Naturally Occurring Arsenic Compounds in Fish and Algae, Category: bromides-buliding-blocks, the main research area is arsenolipid arsenic lipid fatty acid long chain preparation reactivity.

Arsenic-containing lipids (arsenolipids) are natural products present in fish and algae. Because these compounds occur in foods, there is considerable interest in their human toxicol. We report the synthesis and characterization of seven arsenic-containing lipids, including six natural products. The compounds comprise dimethylarsinyl groups attached to saturated long-chain hydrocarbons (three compounds), saturated long-chain fatty acids (two compounds), and monounsaturated long chain fatty acids (two compounds). The arsenic group was introduced through sodium dimethylarsenide or bis(dimethylarsenic) oxide. The latter route provided higher and more reproducible yields, and consequently, this pathway was followed to synthesize six of the seven compounds Mass spectral properties are described to assist in the identification of these compounds in natural samples. The pure synthesized arsenolipids will be used for in vitro experiments with human cells to test their uptake, biotransformation, and possible toxic effects.

Organometallics published new progress about Lipids Role: SPN (Synthetic Preparation), PREP (Preparation) (arsenolipids). 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Category: bromides-buliding-blocks.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Amano, Taisei published the artcileNew Strategy for Synthesis of Bis-Pocket Metalloporphyrins Enabling Regioselective Catalytic Oxidation of Alkanes, Application of Methyl 3,5-dibromo-4-methylbenzoate, the main research area is metalloporphyrin ruthenium double pocket preparation oxidation catalyst; alkane oxidation preparation alkanol alkanone ruthenium metalloporphyrin double pocket.

Meso-Quaterphenyl-substituted metalloporphyrins (bis-pocket porphyrins) were prepared; the ruthenium porphyrin undergoes oxidation to dioxoruthenium species, which catalyze oxidation of alkanes by pyridine N-oxides into alkanols and alkanones,. Cytochrome P 450 selectively hydroxylates the ω and ω-1 positions of fatty acids. Among synthetic oxidizing catalysts, Suslick’s bis-pocket porphyrin Mn or Fe complex achieved ω oxidation for the first time, but the yield in the preparation of the catalyst was poor due to steric hindrance, and in addition, the catalyst turnover number in the oxidation reaction was low. We have devised a new synthetic strategy involving the introduction of eight bulky aryl groups at the 2,6-positions of the meso-Ph groups after construction of the porphyrin skeleton. This strategy greatly improved the yield in synthesis of the catalyst, and a number of derivatives of bis-pocket porphyrin and their metal complexes were prepared These Ru complexes show unique ω-1 selectivity and provide a much higher turnover number in the oxidation of linear alkane with 2,6-dichloropyridine N-oxide, as compared to the reaction catalyzed by conventional Ru porphyrins.

Bulletin of the Chemical Society of Japan published new progress about Aliphatic alcohols Role: SPN (Synthetic Preparation), PREP (Preparation). 74896-66-5 belongs to class bromides-buliding-blocks, name is Methyl 3,5-dibromo-4-methylbenzoate, and the molecular formula is C9H8Br2O2, Application of Methyl 3,5-dibromo-4-methylbenzoate.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Erami, Roghayeh Sadeghi published the artcileSuzuki-Miyaura C-C coupling reactions catalyzed by supported Pd nanoparticles for the preparation of fluorinated biphenyl derivatives, COA of Formula: C7H6BrF, the main research area is fluorobiphenyl preparation green chem; arylboronic acid aryl halide Suzuki Miyaura coupling palladium nanocatalyst.

The preparation of different fluorinated biphenyl derivatives RR1 (R = 4-fluorophenyl, 2-fluorophenyl, 3-fluorophenyl, 2-methyl-4-fluorophenyl, 2-methyl-5-fluorophenyl; R1 = Ph, 4-vinylphenyl, 4-carboxyphenyl, 4-fluorophenyl) by Suzuki-Miyaura coupling reactions catalyzed by a heterogeneous system (G-COOH-Pd-10) based on Pd nanoparticles supported onto COOH-modified graphene has been described. The catalytic activity of the hybrid material G-COOH-Pd-10 has been tested in Suzuki-Miyaura C-C coupling reactions observing excellent versatility and good conversion rates in the reactions of phenylboronic acid, 4-vinylphenylboronic acid, 4-carboxyphenylboronic acid, and 4-fluorophenylboronic acid with 1-bromo-4-fluorobenzene. In addition, the influence of the aryl bromide has been studied by carrying out reactions of 4-fluorophenylboronic acid with 1-bromo-2-fluorobenzene, 1-bromo-3-fluorobenzene, 1-bromo-4-fluorobenzene, 2-bromo-5-fluorotoluene, and 2-bromo-4-fluorotoluene. Finally, catalyst recyclability tests show a good degree of reusability of the system based on G-COOH-Pd-10 as the decrease in catalytic activity after five consecutive catalytic cycles in the reaction of 1-bromo-4-fluorobenzene with 4-florophenylboronic acid for 48 h of reaction is lower than 8%, and while in the case of reactions for three hours, the recyclability of the systems is much lower.

Catalysts published new progress about Aryl bromides Role: RCT (Reactant), RACT (Reactant or Reagent) (fluoro-). 452-63-1 belongs to class bromides-buliding-blocks, name is 1-Bromo-4-fluoro-2-methylbenzene, and the molecular formula is C7H6BrF, COA of Formula: C7H6BrF.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary