Tag: 200-300

In 2018,Hu, Xiao-Qiang; Hu, Zhiyong; Trita, A. Stefania; Zhang, Guodong; Goossen, Lukas J. published 《Carboxylate-directed C-H allylation with allyl alcohols or ethers》.Chemical Science published the findings.Quality Control of 3-Bromo-2-methylbenzoic acid The information in the text is summarized as follows:

A [Ru(p-cymene)Cl2]2 catalyst activated allyl alcs. and ethers for the regioselective ortho-C-H allylation of aromatic and heteroaromatic carboxylates. The reaction was orthogonal to most C-H functionalizations with allyl alcs. in that allyl arenes rather than carbonyl compounds were obtained. A wide range of substrates were thus smoothly transformed to allylarenes at 50 ° in phosphate-buffered 2,2,2-trichloroethanol. The reaction concept combined the use of abundant reagents and directing groups in a sustainable, waste-minimized method for C-C bond formation. The results came from multiple reactions, including the reaction of 3-Bromo-2-methylbenzoic acid(cas: 76006-33-2Quality Control of 3-Bromo-2-methylbenzoic acid)

3-Bromo-2-methylbenzoic acid(cas: 76006-33-2) 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. Quality Control of 3-Bromo-2-methylbenzoic acid 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 2017,Hong, Wei; Li, Jingyang; Chang, Zhe; Tan, Xiaoli; Yang, Hao; Ouyang, Yifan; Yang, Yanhui; Kaur, Sargit; Paterson, Ian C.; Ngeow, Yun Fong; Wang, Hao published 《Synthesis and biological evaluation of indole core-based derivatives with potent antibacterial activity against resistant bacterial pathogens》.Journal of Antibiotics published the findings.Safety of Methyl 3-(bromomethyl)benzoate The information in the text is summarized as follows:

The emergence of drug resistance in bacterial pathogens is a growing clin. problem that poses difficult challenges in patient management. To exacerbate this problem, there is currently a serious lack of antibacterial agents that are designed to target extremely drug-resistant bacterial strains. Here the authors describe the design, synthesis and antibacterial testing of a series of 40 novel indole core derivatives, which are predicated by mol. modeling to be potential glycosyltransferase inhibitors. Twenty of these derivatives were found to show in vitro inhibition of Gram-pos. bacteria, including methicillin-resistant Staphylococcus aureus. Four of these strains showed addnl. activity against Gram-neg. bacteria, including extended-spectrum β-lactamase producing Enterobacteriaceae, imipenem-resistant Klebsiella pneumoniae and multidrug-resistant Acinetobacter baumanii, and against Mycobacterium tuberculosis H37Ra. These four compounds are candidates for developing into broad-spectrum anti-infective agents. In the experiment, the researchers used many compounds, for example, Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8Safety of Methyl 3-(bromomethyl)benzoate)

Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8) belongs to organobromine compounds.The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. Dehydrobromination, Grignard reactions, reductive coupling, Wittig reaction, and several nucleophilic substitution reactions are some of the principal reactions which involve organic bromides.Safety of Methyl 3-(bromomethyl)benzoate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2016,Aihara, Yoshinori; Chatani, Naoto published 《Nickel-Catalyzed Reaction of C-H Bonds in Amides with I2: ortho-Iodination via the Cleavage of C(sp2)-H Bonds and Oxidative Cyclization to β-Lactams via the Cleavage of C(sp3)-H Bonds》.ACS Catalysis published the findings.Computed Properties of C8H7BrO2 The information in the text is summarized as follows:

The first example of the nickel(II)-catalyzed reaction of amides using inexpensive and milder mol. iodine (I2) as an iodinating reagent is reported. The reaction of aromatic amides having an 8-amino-5-chloroquinoline as a directing group with I2 resulted in the production of ortho-iodination products. Deuterium labeling experiments indicate that the cleavage of C-H bonds is irreversible and is likely the rate-determining step, which is in sharp contrast to the previously reported transformation using the same Ni(II) catalyst/8-aminoquinoline chelation system. The reaction is applicable to the synthesis of β-lactams from aliphatic amides as the substrate, in which C(sp3)-H bonds are activated. The results of deuterium labeling experiments indicate that the cleavage of C(sp3)-H bonds is also irreversible.3-Bromo-2-methylbenzoic acid(cas: 76006-33-2Computed Properties of C8H7BrO2) was used in this study.

3-Bromo-2-methylbenzoic acid(cas: 76006-33-2) 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. Alkyl bromides are mainly used as alkylating agents and also find application as a solvent to extract oil from seeds and wool. Computed Properties of C8H7BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2011,Trabanco, Andres A.; Duvey, Guillaume; Cid, Jose Maria; Macdonald, Gregor J.; Cluzeau, Philippe; Nhem, Vanthea; Furnari, Rocco; Behaj, Nadia; Poulain, Geraldine; Finn, Terry; Poli, Sonia; Lavreysen, Hilde; Raux, Alexandre; Thollon, Yves; Poirier, Nicolas; D’Addona, David; Andres, Jose Ignacio; Lutjens, Robert; Le Poul, Emmanuel; Imogai, Hassan; Rocher, Jean-Philippe published 《New positive allosteric modulators of the metabotropic glutamate receptor 2 (mGluR2). Identification and synthesis of N-propyl-5-substituted isoquinolones》.MedChemComm published the findings.Electric Literature of C8H7BrO2 The information in the text is summarized as follows:

A series of N-propyl-5-substituted isoquinolones was identified as pos. allosteric modulators (PAM) of metabotropic glutamate receptor 2 (mGluR2) via high-throughput screening (HTS). The subsequent synthesis and preliminary SAR exploration that led to the identification of compound 20 are described. After reading the article, we found that the author used 3-Bromo-2-methylbenzoic acid(cas: 76006-33-2Electric Literature of C8H7BrO2)

3-Bromo-2-methylbenzoic acid(cas: 76006-33-2) 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 C8H7BrO2 Organobromine compounds have fallen under increased scrutiny for their environmental impact.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Computed Properties of C6H4BBrF3KOn October 1, 2009 ,《Preparation of potassium azidoaryltrifluoroborates and their cross-coupling with aryl halides》 was published in Organic Letters. The article was written by Cho, Young Ae; Kim, Dong-Su; Ahn, Hong Ryul; Canturk, Belgin; Molander, Gary A.; Ham, Jungyeob. The article contains the following contents:

Potassium azidoaryltrifluoroborates have been prepared from the corresponding haloaryltrifluoroborates in 73-98% yields. Also, we successfully cross-coupled the azido-functionalized organotrifluoroborates and carried out a one-pot sequential cross-coupling/1,3-dipolar cycloaddition and a one-pot cross-coupling/azide reduction process. In addition to this study using potassium (3-bromophenyl)trifluoroborate, there are many other studies that have used potassium (3-bromophenyl)trifluoroborate(cas: 374564-34-8Computed Properties of C6H4BBrF3K) was used in this study.

potassium (3-bromophenyl)trifluoroborate(cas: 374564-34-8) belongs to organobromine compounds.The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. Computed Properties of C6H4BBrF3K The principal reactions for organobromides include dehydrobromination, Grignard reactions, reductive coupling, and nucleophilic substitution.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Rational Design and Synthesis of Selective PRMT4 Inhibitors: A New Chemotype for Development of Cancer Therapeutics》 was written by Sutherland, Mathew; Li, Alice; Kaghad, Anissa; Panagopoulos, Dimitrios; Li, Fengling; Szewczyk, Magdalena; Smil, David; Scholten, Cora; Bouche, Lea; Stellfeld, Timo; Arrowsmith, Cheryl H.; Barsyte, Dalia; Vedadi, Masoud; Hartung, Ingo V.; Steuber, Holger; Britton, Robert; Santhakumar, Vijayaratnam. Category: bromides-buliding-blocks And the article was included in ChemMedChem on April 1 ,2021. The article conveys some information:

Protein arginine N-Me transferase 4 (PRMT4) asym. dimethylates the arginine residues of histone H3 and nonhistone proteins. The overexpression of PRMT4 in several cancers had stimulated interest in the discovery of inhibitors as biol. tools and, potentially, therapeutics. Although several PRMT4 inhibitors had reported, most display poor selectivity against other members of the PRMT family of Me transferases. Herein, the structure-based design of a new class of alanine-containing 3-arylindoles such as I [R = Me, i-Pr, NMe2, etc.] as potent and selective PRMT4 inhibitors was reported, and described key structure-activity relationships for this class of compounds In the experiment, the researchers used many compounds, for example, 1-Bromo-3-(isopropylsulfonyl)benzene(cas: 70399-01-8Category: bromides-buliding-blocks)

1-Bromo-3-(isopropylsulfonyl)benzene(cas: 70399-01-8) 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. Category: bromides-buliding-blocks In contrast, terrestrial plants account only for a few bromine-containing compounds.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Kaithal, Akash; Hoelscher, Markus; Leitner, Walter published an article in 2021. The article was titled 《Carbon monoxide and hydrogen (syngas) as a C1-building block for selective catalytic methylation》, and you may find the article in Chemical Science.Category: bromides-buliding-blocks The information in the text is summarized as follows:

A catalytic reaction using syngas (CO/H2) as feedstock for the selective β-methylation of alcs. was developed whereby carbon monoxide acts as a C1 source and hydrogen gas as a reducing agent. The overall transformation occurs through an intricate network of metal-catalyzed and base-mediated reactions. The mol. complex [Mn(CO)2Br[HN(C2H4PiPr2)2]] 1 comprising earth-abundant manganese acts as the metal component in the catalytic system enabling the generation of formaldehyde from syngas in a synthetically useful reaction. This new syngas conversion opens pathways to install Me branches at sp3 carbon centers utilizing renewable feedstocks and energy for the sy nthesis of biol. active compounds, fine chems., and advanced biofuels.Bromopentacarbonylmanganese(I)(cas: 14516-54-2Category: bromides-buliding-blocks) was used in this study.

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.Category: bromides-buliding-blocks

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Ghosh, Subhendu; Khandelia, Tamanna; Patel, Bhisma K. published an article in 2021. The article was titled 《Solvent-Switched Manganese(I)-Catalyzed Regiodivergent Distal vs Proximal C-H Alkylation of Imidazopyridine with Maleimide》, and you may find the article in Organic Letters.Reference of Bromopentacarbonylmanganese(I) The information in the text is summarized as follows:

A sustainable Mn(I)-catalyzed exclusive solvent-dependent functionalization of imidazopyridine with maleimide via an electrophilic metalation at the distal (in 2,2,2-trifluoroethanol (TFE)) and chelation assisted at the proximal (in THF (THF)) was developed. The strategy was successfully applied to the drug Zolimidine and a broad range of substrates, thereby reflecting the method’s versatility. The experimental process involved the reaction of Bromopentacarbonylmanganese(I)(cas: 14516-54-2Reference of Bromopentacarbonylmanganese(I))

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.Reference of Bromopentacarbonylmanganese(I)

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Bisenieks, Egils; Vigante, Brigita; Petrovska, Ramona; Turovska, Baiba; Muhamadejev, Ruslan; Soloduns, Vitalijs; Velena, Astrida; Pajuste, Karlis; Saso, Luciano; Klovins, Janis; Duburs, Gunars; Mandrika, Ilona published an article in 2021. The article was titled 《The Specificity and Broad Multitarget Properties of Ligands for the Free Fatty Acid Receptors FFA3/GPR41 and FFA2/GPR43 and the Related Hydroxycarboxylic Acid Receptor HCA2/GPR109A》, and you may find the article in Pharmaceuticals.Related Products of 5437-45-6 The information in the text is summarized as follows:

The paradigm of ligand-receptor interactions postulated as “”one compound-one target”” has been evolving; a multi-target, pleiotropic approach is now considered to be realistic. Novel series of 1,4,5,6,7,8-hexahydro-5-oxoquinolines, pyranopyrimidines and S-alkyl derivatives of pyranopyrimidines have been synthesized in order to characterize their pleiotropic, multitarget activity on the FFA3/GPR41, FFA2/GPR43, and HCA2/GPR109A receptors. Hexahydroquinoline derivatives have been known to exhibit characteristic activity as FFA3/GPR41 ligands, but during this study we observed their impact on FFA2/GPR43 and HCA2/GPR109A receptors as well as their electron-donating activity. Oxopyranopyrimidine and thioxopyranopyrimidine type compounds have been studied as ligands of the HCA2/GPR109A receptor; nevertheless, they exhibited equal or higher activity towards FFA3/GPR41 and FFA2/GPR43 receptors. S-Alkyl derivatives of pyranopyrimidines that have not yet been studied as ligands of GPCRs were more active towards HCA2/GPR109A and FFA3/GPR41 receptors than towards FFA2/GPR43. Representative compounds from each synthesized series were able to decrease the lipopolysaccharide-induced gene expression and secretion of proinflammatory cytokines (IL-6, TNF-α) and of a chemokine (MCP-1) in THP-1 macrophages, resembling the effect of HCA2/GPR109A ligand niacin and the endogenous ligand propionate. This study revealed groups of compounds possessing multitarget activity towards several receptors. The obtained data could be useful for further development of multitarget ligands. The experimental part of the paper was very detailed, including the reaction process of Benzyl 2-bromoacetate(cas: 5437-45-6Related Products of 5437-45-6)

Benzyl 2-bromoacetate(cas: 5437-45-6) belongs to benzyl acetate. Benzyl acetate is an aromatic chemical, usually appearing as a clear liquid with a moderate sweet-jasmine fragrance. This compound appears as a component of some of our fragrance blends.Related Products of 5437-45-6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Hermann, Theresa; Hochegger, Patrick; Dolensky, Johanna; Seebacher, Werner; Saf, Robert; Kaiser, Marcel; Maeser, Pascal; Weis, Robert published their research in Pharmaceuticals in 2021. The article was titled 《New acyl derivatives of 3-aminofurazanes and their antiplasmodial activities》.Computed Properties of C9H9BrO2 The article contains the following contents:

An N-acylated furazan-3-amine of a Medicines for Malaria Venture (MMV) project has shown activity against different strains of Plasmodium falciparum. Seventeen new derivatives were prepared and tested in vitro for their activities against blood stages of two strains of Plasmodium falciparum. Several structure-activity relationships were revealed. The activity strongly depended on the nature of the acyl moiety. Only benzamides showed promising activity. The substitution pattern of their Ph ring affected the activity and the cytotoxicity of compounds In addition, physicochem. parameters were calculated (log P, log D, ligand efficiency) or determined exptl. (permeability) via a PAMPA. The N-(4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl)-3-(trifluoromethyl)benzamide possessed good physicochem. properties and showed high antiplasmodial activity against a chloroquine-sensitive strain (IC50(NF54) = 0.019 μM) and even higher antiplasmodial activity against a multiresistant strain (IC50(K1) = 0.007 μM). Compared to the MMV compound, the permeability and the activity against the multiresistant strain were improved. The results came from multiple reactions, including the reaction of Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8Computed Properties of C9H9BrO2)

Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8) belongs to organobromine compounds.The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. Computed Properties of C9H9BrO2 The principal reactions for organobromides include dehydrobromination, Grignard reactions, reductive coupling, and nucleophilic substitution.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary