Tag: 200-300

Forlani, Giuseppe; Sabbioni, Giuseppe; Ragno, Daniele; Petrollino, Davide; Borgatti, Monica published an article in 2021. The article was titled 《Phenyl-substituted aminomethylene-bisphosphonates inhibit human P5C reductase and show antiproliferative activity against proline-hyperproducing tumor cells》, and you may find the article in Journal of Enzyme Inhibition and Medicinal Chemistry.Quality Control of 3,5-Dibromoaniline The information in the text is summarized as follows:

In certain cancers, such as breast, prostate and some lung and skin cancers, the gene for the enzyme catalyzing the second and last step in proline synthesis, δ1-pyrroline-5-carboxylate (P5C) reductase, has been found upregulated. This leads to a higher proline content that exacerbates the effects of the so-called proline-P5C cycle, with tumor cells effectively using this method to increase cell survival. If a method of reducing or inhibiting P5C reductase could be discovered, it would provide new means of treating cancer. To address this point, the effect of some phenyl-substituted derivatives of aminomethylene-bisphosphonic acid, previously found to interfere with the catalytic activity of plant and bacterial P5C reductases, was evaluated in vitro on the human isoform 1 (PYCR1), expressed in E. coli and affinity purified. The 3.5-dibromophenyl- and 3.5-dichlorophenyl-derivatives showed a remarkable effectiveness, with IC50 values lower than 1μM and a mechanism of competitive type against both P5C and NADPH. The actual occurrence in vivo of enzyme inhibition was assessed on myelogenous erythroleukemic K562 and epithelial breast cancer MDA-MB-231 cell lines, whose growth was progressively impaired by concentrations of the dibromo derivative ranging from 10-6 to 10-4 M. Interestingly, growth inhibition was not relieved by the exogenous supply of proline, suggesting that the effect relies on the interference with the proline-P5C cycle, and not on proline starvation. In the part of experimental materials, we found many familiar compounds, such as 3,5-Dibromoaniline(cas: 626-40-4Quality Control of 3,5-Dibromoaniline)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.Quality Control of 3,5-Dibromoaniline

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Manganese complex-catalysed α-alkylation of ketones with secondary alcohols enables the synthesis of β-branched carbonyl compounds》 was published in Chemical Communications (Cambridge, United Kingdom) in 2020. These research results belong to Waiba, Satyadeep; Jana, Sayan K.; Jati, Ayan; Jana, Akash; Maji, Biplab. Recommanded Product: Bromopentacarbonylmanganese(I) The article mentions the following:

Herein, β-branched carbonyl compounds were synthesized via the α-alkylation of ketones with secondary alcs. under “”borrowing hydrogen”” catalysis. A wide range of secondary alcs., including various cyclic, acyclic, sym., and unsym. alcs., was successfully applied under the developed reaction conditions. A manganese(I) complex bearing a phosphine-free multifunctional ligand catalyzed the reaction and produced water as the sole byproduct. In addition to this study using Bromopentacarbonylmanganese(I), there are many other studies that have used Bromopentacarbonylmanganese(I)(cas: 14516-54-2Recommanded Product: Bromopentacarbonylmanganese(I)) 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.Recommanded Product: Bromopentacarbonylmanganese(I)

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2017,Sharma, Vivekanand; De, Dinesh; Saha, Ranajit; Das, Ranjita; Chattaraj, Pratim Kumar; Bharadwaj, Parimal K. published 《A Cu(II)-MOF capable of fixing CO2 from air and showing high capacity H2 and CO2 adsorption》.Chemical Communications (Cambridge, United Kingdom) published the findings.Recommanded Product: 3,5-Dibromoaniline The information in the text is summarized as follows:

A porous Cu(II)-MOF shows an adsorption of 6.6 wt% of H2 at 77 K and 62 bar and a very high 60 wt% of CO2 at 298 K and 32 bar. When air is bubbled into a suspension of the activated MOF in the presence of different epoxides at room temperature, the CO2 in air is readily converted into the corresponding cyclic carbonates. The experimental process involved the reaction of 3,5-Dibromoaniline(cas: 626-40-4Recommanded Product: 3,5-Dibromoaniline)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. To avoid the problem of multiple alkylation, methods have been devised for “blocking” substitution so that only one alkyl group is introduced. The Gabriel synthesis is one such method; it utilizes phthalimide, C6H4(CO)2NH, whose one acidic hydrogen atom has been removed upon the addition of a base such as KOH to form a salt.Recommanded Product: 3,5-Dibromoaniline

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《A simple regioselective nuclear bromination of alkyl phenyl ethers》 was written by Yakabe, Shigetaka; Hirano, Masao; Morimoto, Takashi. SDS of cas: 30752-31-9 And the article was included in Organic Preparations and Procedures International on April 30 ,1998. The article conveys some information:

The regioselective bromination of alkyl Ph ethers was carried out with sodium perchlorate/sodium bromide/tris(acetylacetonato)manganese/moist alumina. In the experimental materials used by the author, we found 1-Bromo-4-(cyclohexyloxy)benzene(cas: 30752-31-9SDS of cas: 30752-31-9)

1-Bromo-4-(cyclohexyloxy)benzene(cas: 30752-31-9) 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. SDS of cas: 30752-31-9 Alkyl bromides are mainly used as alkylating agents and also find application as a solvent to extract oil from seeds and wool.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Application In Synthesis of Benzyl 2-bromoacetateIn 2020 ,《E- and chemoselective thia-Michael addition to benzyl allenoate》 was published in Phosphorus, Sulfur and Silicon and the Related Elements. The article was written by Bibi, Rifhat; Murtaza, Amna; Khan, Khalid Mohammed; Rehman, Zia ur; Saeed, Aamer; Tahir, Muhammad Nawaz; Hassan, Abbas. The article contains the following contents:

Different thiols were successfully reacted with benzyl allenoate resulting in E-selective thia-Michael addition product with α,β-unsaturation as confirmed by single crystal x-ray crystallog. anal. The thia-Michael addition was chemoselective and free amine and alc. groups were well tolerated. Catalytic triethylamine was required for high conversion. Fair to excellent yields were obtained for a variety of aliphatic, aryl and heteroaryl thiols. After reading the article, we found that the author used Benzyl 2-bromoacetate(cas: 5437-45-6Application In Synthesis of Benzyl 2-bromoacetate)

Benzyl 2-bromoacetate(cas: 5437-45-6) has been used in the alkylation of (-)-2,3-O-isopropylidene-D-threitol that afforded lipopeptide, 2-[(4R,5R)-5-({[(9H-fluoren-9-yl)methoxy]carbonylaminomethyl}-2,2-dimethyl-1,3-dioxolan-4-yl)methoxy]acetic acid.Application In Synthesis of Benzyl 2-bromoacetate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Recommanded Product: 14516-54-2In 2021 ,《Photo-uncaging a Ru(II) intercalator via photodecomposition of a bridged Mn(I) photoCORM》 was published in Chemical Communications (Cambridge, United Kingdom). The article was written by Pickens, Rachael N.; Judd, Grace L.; White, Jessica K.. The article contains the following contents:

A Ru(II) intercalating complex capped with a Mn(I) photoCORM allows for a new mode of DNA intercalator delivery. The steric bulk of the Mn(I) photoCORM inhibits intercalation in the dark, and visible light irradiation (470 nm) dissociates the photoCORM, allowing for DNA intercalation of the Ru(II) complex. In the experiment, the researchers used Bromopentacarbonylmanganese(I)(cas: 14516-54-2Recommanded Product: 14516-54-2)

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.Recommanded Product: 14516-54-2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Li, Ya-Syuan; Liang, Chien-Fu published an article in Journal of the Chinese Chemical Society (Weinheim, Germany). The title of the article was 《Cerium(III) triflate-catalyzed cycloaddition reaction in aqueous conditions to substituted naphthotriazolediones》.Recommanded Product: Methyl 3-(bromomethyl)benzoate The author mentioned the following in the article:

In this study, the cerium(III) trifluoromethanesulfonate-catalyzed cycloaddition of 1,4-naphthoquinone with functionalized azides in aqueous solutions was used to synthesize naphtho[2,3-d][1,2,3]triazole-4,9-dione derivatives Moreover, this method boasts scalability and completes the synthesis of two key biol. compounds This method’s advantages are environmentally friendly reaction conditions, easy applicability in large-scale operations, broad structurally diverse products produced in high yields and the recyclability of catalysts. In the experiment, the researchers used many compounds, for example, Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8Recommanded Product: Methyl 3-(bromomethyl)benzoate)

Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8) 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. Recommanded Product: Methyl 3-(bromomethyl)benzoate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Kiliclar, Huseyin Cem; Altinkok, Cagatay; Yilmaz, Gorkem; Yagci, Yusuf published their research in Chemical Communications (Cambridge, United Kingdom) in 2021. The article was titled 《Visible light induced step-growth polymerization by electrophilic aromatic substitution reactions》.Category: bromides-buliding-blocks The article contains the following contents:

A novel visible light induced step-growth polymerization to form poly(phenylene methylene) by electrophilic aromatic substitution reactions is described. The effect of different nucleophilic aromatic mols. on polymerization has been investigated. The possibility of combining step-growth polymerization with conventional free radical and free radical promoted cationic polymerizations through photoinduced chain-end activation has been demonstrated. Highly fluorescent fibers of the resulting block copolymers were obtained using the electrospinning technique. The versatile photoinduced step-growth polymerization process reported herein paves the way for a new generation of polycondensates and their combination with chain polymers that cannot be obtained by conventional methods. In the experiment, the researchers used many compounds, for example, 1,4-Bis(bromomethyl)benzene(cas: 623-24-5Category: bromides-buliding-blocks)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) belongs to organobromine compounds.Organobromine chemicals are produced naturally by an array of biological and other chemical processes in our environment. Organobromine compounds are produced naturally by marine creatures (sponges, corals, sea slugs, tunicates, sea fans) and seaweed, plants, fungi, lichen, algae, bacteria, microbes, and some mammals. Category: bromides-buliding-blocks

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Jacquart, Aurelie; Tauc, Patrick; Pansu, Robert B.; Ishow, Elena published an article in Chemical Communications (Cambridge, United Kingdom). The title of the article was 《Tunable emissive thin films through ICT photodisruption of nitro-substituted triarylamines》.Electric Literature of C7H4BrNO4 The author mentioned the following in the article:

UV-assisted photocleavage in the solid state of orange emitting nitro-substituted triarylamines leads to the appearance of blue emission following photodisruption of the ICT state. The experimental part of the paper was very detailed, including the reaction process of 3-Bromo-2-nitrobenzoic acid(cas: 116529-61-4Electric Literature of C7H4BrNO4)

3-Bromo-2-nitrobenzoic acid(cas: 116529-61-4) 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. Electric Literature of C7H4BrNO4 Due to the reactivity of bromide, they are used as potential precursors or important intermediates in organic synthesis.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Product Details of 14660-52-7In 2021 ,《Identification of histone deacetylase inhibitors with (arylidene)aminoxy scaffold active in uveal melanoma cell lines》 was published in Journal of Enzyme Inhibition and Medicinal Chemistry. The article was written by Nencetti, Susanna; Cuffaro, Doretta; Nuti, Elisa; Ciccone, Lidia; Rossello, Armando; Fabbi, Marina; Ballante, Flavio; Ortore, Gabriella; Carbotti, Grazia; Campelli, Francesco; Banti, Irene; Gangemi, Rosaria; Marshall, Garland R.; Orlandini, Elisabetta. The article contains the following contents:

Uveal melanoma (UM) represents an aggressive type of cancer and currently, there is no effective treatment for this metastatic disease. In the last years, histone deacetylase inhibitors (HDACIs) have been studied as a possible therapeutic treatment for UM, alone or in association with other chemotherapeutic agents. Here we synthesized a series of new HDACIs based on the SAHA scaffold bearing an (arylidene)aminoxy moiety. Their HDAC inhibitory activity was evaluated on isolated human HDAC1, 3, 6, and 8 by fluorometric assay and their binding mode in the catalytic site of HDACs was studied by mol. docking. The most promising hit was the quinoline derivative , a nanomolar inhibitor of HDAC6, which exhibited a good antiproliferative effect on UM cell lines at micromolar concentration and a capability to modify the mRNA levels of HDAC target genes similar to that of SAHA. The experimental part of the paper was very detailed, including the reaction process of Ethyl 5-bromovalerate(cas: 14660-52-7Product Details of 14660-52-7)

Ethyl 5-bromovalerate(cas: 14660-52-7) 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.Product Details of 14660-52-7

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary