Category: bromides-buliding-blocks

New Broad-Spectrum Antibiotics Containing a Pyrrolobenzodiazepine Ring with Activity against Multidrug-Resistant Gram-Negative Bacteria was written by Picconi, Pietro;Hind, Charlotte K.;Nahar, Kazi S.;Jamshidi, Shirin;Di Maggio, Lucia;Saeed, Naima;Evans, Bonnie;Solomons, Jessica;Wand, Matthew E.;Sutton, J. Mark;Rahman, Khondaker Miraz. And the article was included in Journal of Medicinal Chemistry in 2020.Name: Methyl 4-bromo-1-methyl-1H-pyrrole-2-carboxylate This article mentions the following:

It is urgent to find new antibiotic classes with activity against multidrug-resistant (MDR) Gram-neg. pathogens as the pipeline of antibiotics is essentially empty. Modified pyrrolobenzodiazepines with a C8-linked aliphatic heterocycle provide a new class of broad-spectrum antibacterial agents with activity against MDR Gram-neg. bacteria, including WHO priority pathogens. The structure-activity relationship established that the third ring was particularly important for Gram-neg. activity. Min. inhibitory concentrations for the lead compounds ranged from 0.125 to 2 mg/L for MDR Gram-neg., excluding Pseudomonas aeruginosa, and between 0.03 and 1 mg/L for MDR Gram-pos. species. The lead compounds were rapidly bactericidal with >5 log reduction in viable count within 4 h for Acinetobacter baumannii and Klebsiella pneumoniae. The lead compound inhibited DNA gyrase in gel-based assays, with an IC₅₀ of 3.16 ± 1.36 mg/L. This study provides a new chem. scaffold for developing novel broad-spectrum antibiotics which can help replenish the pipeline of antibiotics. In the experiment, the researchers used many compounds, for example, Methyl 4-bromo-1-methyl-1H-pyrrole-2-carboxylate (cas: 1196-90-3Name: Methyl 4-bromo-1-methyl-1H-pyrrole-2-carboxylate).

Methyl 4-bromo-1-methyl-1H-pyrrole-2-carboxylate (cas: 1196-90-3) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. 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.Name: Methyl 4-bromo-1-methyl-1H-pyrrole-2-carboxylate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Catalytic enantioselective desymmetrizing functionalization of alkyl radicals via Cu(I)/CPA cooperative catalysis was written by Cheng, Yong-Feng;Liu, Ji-Ren;Gu, Qiang-Shuai;Yu, Zhang-Long;Wang, Jian;Li, Zhong-Liang;Bian, Jun-Qian;Wen, Han-Tao;Wang, Xiao-Jing;Hong, Xin;Liu, Xin-Yuan. And the article was included in Nature Catalysis in 2020.Synthetic Route of C10H11BrO2 This article mentions the following:

A general and efficient catalytic enantioselective desymmetrizing functionalization of alkene-tethered 1,3-diols was developed. It provided various tetrahydrofurans and analogs such as I [R¹ = H, 3-furyl, 4-BrC₆H₄, etc.; R² = 3-MeOC₆H₄, 3-furyl, 1-naphthyl, etc.; R³ = CF₃, n-C₄F₉] bearing multiple stereocenters with remarkably high levels of enantio- and diastereocontrol. DFT calculations and mechanistic experiments revealed a reaction mechanism involving an enantiodetermining outer-sphere C-O bond formation step. In the experiment, the researchers used many compounds, for example, Ethyl (2-bromophenyl)acetate (cas: 2178-24-7Synthetic Route of C10H11BrO2).

Ethyl (2-bromophenyl)acetate (cas: 2178-24-7) belongs to organobromine compounds. Organo bromine compounds are versatile compounds and are widely used in diverse fields. Organo bromine derivatives are used in the dye sector, as an indicator in analytical chemistry (Bromothymol blue is a popular indicator). The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. For many applications, organobromides represent a compromise of reactivity and cost.Synthetic Route of C10H11BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Discovery of 1,3-dihydro-2H-imidazo[4,5-c]quinolin-2-ones based novel, potent and PI3Kδ selective inhibitors was written by Bahekar, Rajesh;Dave, Bhushan;Soman, Shubhangi;Patel, Dipam;Chopade, Rajendra;Funde, Radhika;Kumar, Jeevan;Sachchidanand, S.;Giri, Poonam;Chatterjee, Abhijit;Mahapatra, Jogeswar;Vyas, Purvi;Ghoshdastidar, Krishnarup;Bandyopadhyay, Debdutta;Desai, Ranjit C.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2019.Recommanded Product: 1-(2-Bromoethyl)-4-methoxybenzene This article mentions the following:

PI3Kδ is implicated in various inflammatory and autoimmune diseases. For the effective treatment of chronic immunol. disorders such as rheumatoid arthritis, it is essential to develop isoform selective PI3Kδ inhibitors. Structure guided optimization of an imidazo-quinolinones based pan-PI3K/m-TOR inhibitor (Dactolisib) led to the discovery of a potent and orally bioavailable PI3Kδ isoform selective inhibitor (10h), with an improved efficacy in the animal models. In the experiment, the researchers used many compounds, for example, 1-(2-Bromoethyl)-4-methoxybenzene (cas: 14425-64-0Recommanded Product: 1-(2-Bromoethyl)-4-methoxybenzene).

1-(2-Bromoethyl)-4-methoxybenzene (cas: 14425-64-0) belongs to organobromine compounds. Most organobromine compounds, like most organohalide compounds, are relatively nonpolar. Commercially available organobromine pharmaceuticals include the vasodilator nicergoline, the sedative brotizolam, the anticancer agent pipobroman, and the antiseptic merbromin. Recommanded Product: 1-(2-Bromoethyl)-4-methoxybenzene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Discovery of the selective sphingomyelin synthase 2 inhibitors with the novel structure of oxazolopyridine was written by Qi, Xiang-Yu;Cao, Yang;Li, Ya-Li;Mo, Ming-Guang;Zhou, Lu;Ye, De-Yong. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2017.Recommanded Product: 2-(Bromomethyl)-1,3-dimethylbenzene This article mentions the following:

Sphingomyelin synthase (SMS) is a key enzyme in sphingomyelin biosynthetic pathway, whose activity is highly related to the atherosclerosis progression. SMS2 could serve as a promising therapeutic target for atherosclerosis. Based on the structure of lead compound I, a series of oxazolopyridine derivatives were designed, synthesized, and their inhibitory activities against purified SMS1 and SMS2 enzymes were evaluated, resp. The representative mols. 2-(2-((3-chlorobenzyl)oxy)phenyl)oxazolo[5,4-b]pyridine and 2-(2-((3-methoxybenzyl)oxy)phenyl)oxazolo[5,4-b]pyridine possess micromolar inhibitory activities against SMS2 and excellent isoform preferences over SMS1, qualified to be selected as potential mols. in further discovery of specific SMS2 inhibitors. In the experiment, the researchers used many compounds, for example, 2-(Bromomethyl)-1,3-dimethylbenzene (cas: 83902-02-7Recommanded Product: 2-(Bromomethyl)-1,3-dimethylbenzene).

2-(Bromomethyl)-1,3-dimethylbenzene (cas: 83902-02-7) belongs to organobromine compounds. Many of the organo bromine compounds are relatively nonpolar. Bromine is more electronegative than carbon (2.8 vs 2.5) and hence the carbon in a carbon–bromine bond is electrophilic in nature. In the pharmaceutical industry organo bromine derivatives are used as sedatives, vasodilators, antiseptic agents, and anticancer agents.Recommanded Product: 2-(Bromomethyl)-1,3-dimethylbenzene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Synthesis of Mono-facially Functionalized Cyclodextrins Bearing Amino Pendent Groups was written by Vizitiu, Dragos;Walkinshaw, Caroline S.;Thatcher, Gregory R. J.. And the article was included in Journal of Organic Chemistry in 1997.HPLC of Formula: 53784-83-1 This article mentions the following:

Derivatives of the cyclodextrins, αCD, βCD, and γCD, in which all primary hydroxyls are substituted by amine pendent groups, may be synthesized efficiently from the per-6-bromo-6-deoxy-CD derivatives by direct reaction with amines. These cyclodextrin derivatives, which bear six, seven, or eight amine pendent groups, represent interesting biomimetic receptors and catalysts. A synthetic route to a CD per-substituted with primary amine functionalities at the primary face, per-6-(aminomethyl)-6-deoxy-CD, yields an alternative reagent to the simple per-6-amino-6-deoxy-CD, which is more suitable for further synthetic transformations. In the experiment, the researchers used many compounds, for example, Heptakis(6-Bromo-6-Deoxy)-β-Cyclodextrin (cas: 53784-83-1HPLC of Formula: 53784-83-1).

Heptakis(6-Bromo-6-Deoxy)-β-Cyclodextrin (cas: 53784-83-1) belongs to organobromine compounds. Many of the organo bromine compounds are relatively nonpolar. Bromine is more electronegative than carbon (2.8 vs 2.5) and hence the carbon in a carbon–bromine bond is electrophilic in nature. The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. For many applications, organobromides represent a compromise of reactivity and cost.HPLC of Formula: 53784-83-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Novel squaramides with in vitro liver stage antiplasmodial activity was written by Ribeiro, Carlos J. A.;Espadinha, Margarida;Machado, Marta;Gut, Jiri;Goncalves, Lidia M.;Rosenthal, Philip J.;Prudencio, Miguel;Moreira, Rui;Santos, Maria M. M.. And the article was included in Bioorganic & Medicinal Chemistry in 2016.Related Products of 954-81-4 This article mentions the following:

A structure-activity relationship study was performed with ten 8-aminoquinoline-squaramides compounds active against liver stage malaria parasites, using human hepatoma cells (Huh7) infected by Plasmodium berghei parasites. In addition, their blood-schizontocidal activity was assessed against chloroquine-resistant W2 strain Plasmodium falciparum. Compound I was 7.3-fold more potent than the pos. control primaquine against liver-stage parasites, illustrating the importance of the squarate moiety to activity. In the experiment, the researchers used many compounds, for example, N-(5-Bromopentyl)phthalimide (cas: 954-81-4Related Products of 954-81-4).

N-(5-Bromopentyl)phthalimide (cas: 954-81-4) belongs to organobromine compounds. Bromo compounds are employed in a variety of metal-catalyzed coupling reactions. They are also ideal candidates for the synthesis of Grignard reagents that have wide-applicability in organic synthesis. Bromine-containing agents predominate because not only are they more efficient than similar chlorine-containing species, but also the high atomic weight of bromine ensures that it is present in a high mass fraction within most organobromine compounds.Related Products of 954-81-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Bromination of anilines in superacids was written by Berrier, C.;Jacquesy, J. C.;Renoux, A.. And the article was included in Bulletin de la Societe Chimique de France in 1990.COA of Formula: C6H5Br2N This article mentions the following:

In HF-SbF₅, bromination of PhNH₂ at -40° with Br (0.6 equiv) gives 2-, 3-, and 4-BrC₆H₄NH₂ in 3, 24, and 50% yields, resp. These percentages reflect the relative reactivities of the 2-, 3-, and 4-positions, no isomerization occurring at -40°. At room temperature, the products equilibrate intramolecularly by 1,2-Br shifts. Dibromination of PhNH₂ (1.2 equiv Br) gives 10% 2,5- and 55% 3,4-Br₂C₆H₃NH₂. Under similar conditions, 3- and 4-MeC₆H₄NH₂ give 47% 3,4-MeBrC₆H₃NH₂ and 80% 4,3-MeBrC₆H₃NH₂, resp. In the experiment, the researchers used many compounds, for example, 3,4-Dibromoaniline (cas: 615-55-4COA of Formula: C6H5Br2N).

3,4-Dibromoaniline (cas: 615-55-4) belongs to organobromine compounds. Most organobromine compounds, like most organohalide compounds, are relatively nonpolar. The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. For many applications, organobromides represent a compromise of reactivity and cost.COA of Formula: C6H5Br2N

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Discovery and Characterization of 2-Nitro-5-(4-(phenylsulfonyl)piperazin-1-yl)-N-(pyridin-4-ylmethyl)anilines as Novel Inhibitors of the Aedes aegypti Kir1 (AeKir1) Channel was written by Aretz, Christopher D.;Morwitzer, M. Jane;Sanford, Austin G.;Hogan, Alicia M.;Portillo, Madelene V.;Kharade, Sujay V.;Kramer, Meghan;McCarthey, James B.;Trigueros, Renata Rusconi;Piermarini, Peter M.;Denton, Jerod S.;Hopkins, Corey R.. And the article was included in ACS Infectious Diseases in 2019.Application In Synthesis of Methyl 4-bromo-2-fluorobenzoate This article mentions the following:

Mosquito-borne arboviral diseases such as Zika, dengue fever, and chikungunya are transmitted to humans by infected adult female Aedes aegypti mosquitoes and affect a large portion of the world’s population. The Kir1 channel in Ae. aegypti (AeKir1) is an important ion channel in the functioning of mosquito Malpighian (renal) tubules and one that can be manipulated in order to disrupt excretory functions in mosquitoes. We have previously reported the discovery of various scaffolds that are active against the AeKir1 channel. Herein we report the synthesis and biol. characterization of a new 2-nitro-5-(4-(phenylsulfonyl) piperazin-1-yl)-N-(pyridin-4-ylmethyl)anilines scaffold as inhibitors of AeKir1. This new scaffold is more potent in vitro compared to the previously reported scaffolds, and the mols. kill mosquito larvae. In the experiment, the researchers used many compounds, for example, Methyl 4-bromo-2-fluorobenzoate (cas: 179232-29-2Application In Synthesis of Methyl 4-bromo-2-fluorobenzoate).

Methyl 4-bromo-2-fluorobenzoate (cas: 179232-29-2) belongs to organobromine compounds. Many of the organo bromine compounds are relatively nonpolar. Bromine is more electronegative than carbon (2.8 vs 2.5) and hence the carbon in a carbon–bromine bond is electrophilic in nature. The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. For many applications, organobromides represent a compromise of reactivity and cost.Application In Synthesis of Methyl 4-bromo-2-fluorobenzoate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Anodic Oxidation of Dithiane Carboxylic Acids: A Rapid and Mild Way to Access Functionalized Orthoesters was written by Garcia, Anthony D.;Leech, Matthew C.;Petti, Alessia;Denis, Camille;Goodall, Iain C. A.;Dobbs, Adrian P.;Lam, Kevin. And the article was included in Organic Letters in 2020.COA of Formula: C5H11BrO This article mentions the following:

A new electrochem. methodol. has been developed for the preparation of a wide variety of functionalized orthoesters under mild and green conditions from easily accessible dithiane derivatives The new methodol. also offers an unprecedented way to access tri(fluorinated) orthoesters, a class of compound that has never been studied before. This provides the community with a rapid and general method to prepare libraries of functionalized orthoesters from simple and readily available starting materials. In the experiment, the researchers used many compounds, for example, 1-Bromo-4-methoxybutane (cas: 4457-67-4COA of Formula: C5H11BrO).

1-Bromo-4-methoxybutane (cas: 4457-67-4) belongs to organobromine compounds. Many of the organo bromine compounds are relatively nonpolar. Bromine is more electronegative than carbon (2.8 vs 2.5) and hence the carbon in a carbon–bromine bond is electrophilic in nature. Commercially available organobromine pharmaceuticals include the vasodilator nicergoline, the sedative brotizolam, the anticancer agent pipobroman, and the antiseptic merbromin. COA of Formula: C5H11BrO

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Design, Synthesis and Evaluation of Novel 2-(Aminoalkyl)-isoindoline-1,3-dione Derivatives as Dual-Binding Site Acetylcholinesterase Inhibitors was written by Ignasik, Michalina;Bajda, Marek;Guzior, Natalia;Prinz, Michaela;Holzgrabe, Ulrike;Malawska, Barbara. And the article was included in Archiv der Pharmazie (Weinheim, Germany) in 2012.Electric Literature of C13H14BrNO2 This article mentions the following:

A new series of 2-(diethylaminoalkyl)-isoindoline-1,3-dione derivatives intended as dual binding site cholinesterase inhibitors were designed using mol. modeling and evaluated as inhibitors of acetylcholinesterase (AChE), butyrylcholinesterase (BuChE), and the formation of the β-amyloid (Aβ) plaques. For AChE inhibitory activity, the spectrophotometric method of Ellman and the electrophoretically mediated microanal. assay were used, giving good results. Most of the synthesized compounds had AChE inhibitory activity with IC₅₀ values ranging from IC₅₀ = 0.9 to 19.5 μM and weak Aβ anti-aggregation inhibitory activity. These results support the outcome of docking studies which tested compounds targeting both the catalytic active site (CAS) and the peripheral anionic site (PAS) of AChE. The most promising selective AChE inhibitors are compounds 10 (IC₅₀ = 1.2 μM) and 11 (IC₅₀ = 1.1 μM), with 6-7 methylene chains, which also inhibit Aβ fibril formation. In the experiment, the researchers used many compounds, for example, N-(5-Bromopentyl)phthalimide (cas: 954-81-4Electric Literature of C13H14BrNO2).

N-(5-Bromopentyl)phthalimide (cas: 954-81-4) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. 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 C13H14BrNO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary