Month: November 2022

Vinyl bromides undergo the Heck reaction, which involves C-C coupling with alkene to give substituted alkenes. 70-23-5, formula is C5H7BrO3, Name is Ethyl 3-bromo-2-oxopropanoate. Methyl bromide is a precursor in the manufacture of several chemicals and is employed as a soil sterilant, mainly for seed production. Name: Ethyl 3-bromo-2-oxopropanoate.

Wei, Chengqian;Huang, Junjie;Luo, Yuqin;Wang, Shaobo;Wu, Sikai;Xing, Zhifu;Chen, Jixiang research published 《 Novel amide derivatives containing an imidazo[1,2-a]pyridine moiety: Design, synthesis as potential nematicidal and antibacterial agents》, the research content is summarized as follows. To discover new nematicides I (n = 1, 2, 3; R = Et, iso-Pr, 4-nitrobenzyl, etc.) a series of novel amide derivatives containing an imidazo[1,2-a]pyridine moeity I were designed and synthesized. Among the title compounds, compounds I (n = 1; R = Pr and n = 3; R = n-decyl (III)) exhibited good nematicidal activities against Aphelenchoides besseyi (rice white-tip nematode), with LC₅₀ values against of 27.3 and 35.9 mg/L, resp., which were superior to that of fosthiazate (45.4 mg/L). Meanwhile, the LC₅₀ value of compound III against Caenorhabditis elegans was 5.7 mg/L, which was superior to that of fosthiazate (77.2 mg/L). Compound III not only binds well to acetylcholinesterase (AChE) of nematodes, but also has a good inhibitory activity against AChE. Thus, AChE may be a potential target of compound III against nematodes. Unexpectedly, compound I (n = 1; R = chloromethyl (IV)) exhibited excellent antibacterial activities with EC₅₀ values of 1.2 and 3.1 mg/L against Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc), resp., which were superior to those of bismerthiazol (68.6 and 77.1 mg/L) and thiodiazole copper (80.8 and 96.6 mg/L). The curative and protective activities of compound IV against bacterial leaf blight were 37.0% and 36.8% at 50 mg/L, resp., which were higher than those of thiodiazole copper (16.1% and 15.5%). In addition, compound IV may inhibit the growth of Xoo by affecting the production of cell membranes and extracellular polysaccharides. Amide derivatives containing an imidazo[1,2-a]pyridine moeity Ican be used as good lead-structures to discover new nematicidal and antibacterial agents in the future.

Name: Ethyl 3-bromo-2-oxopropanoate, Ethyl bromopyruvate molecular formula is C5H7BrO3 and its molecular weight is 195.01 g/mol. The purity is usually 95%.

Ethyl bromopyruvate is used in a synthesis of thioxothiazolidines from carbon disulfide and primary amines.

Ethyl bromopyruvate is a chemical inhibitor that inhibits the enzyme pyruvate dehydrogenase, which is responsible for the conversion of pyruvic acid to acetyl-CoA. This inhibition leads to a decrease in ATP levels and can cause metabolic disorders. Ethyl bromopyruvate is used as an anthelmintic drug and in asymmetric synthesis. It is also used in the synthesis of thiostrepton, an antibiotic that has been shown to have antimicrobial activity against Gram-positive bacteria, including Staphylococcus aureus and Streptococcus pneumoniae., 70-23-5.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

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. 5392-10-9, formula is C9H9BrO3, Name is 2-Bromo-4,5-dimethoxybenzaldehyde, Application In Synthesis of 5392-10-9

Wei, Baosheng;Ren, Qianyi;Bein, Thomas;Knochel, Paul research published 《 Transition-Metal-Free Synthesis of Polyfunctional Triarylmethanes and 1,1-Diarylalkanes by Sequential Cross-Coupling of Benzal Diacetates with Organozinc Reagents》, the research content is summarized as follows. A variety of functionalized triarylmethane and 1,1-diarylalkane derivatives were prepared via a transition-metal-free, one-pot and two-step procedure, involving the reaction of various benzal diacetates with organozinc reagents. A sequential cross-coupling is enabled by changing the solvent from THF to toluene, and a two-step S_N1-type mechanism was proposed and evidenced by exptl. studies. The synthetic utility of the method is further demonstrated by the synthesis of several biol. relevant mols., such as an anti-tuberculosis agent, an anti-breast cancer agent, a precursor of a sphingosine-1-phosphate (S1P) receptor modulator, and a FLAP inhibitor.

Application In Synthesis of 5392-10-9, 2-Bromo-4,5-dimethoxybenzaldehyde is a useful research compound. Its molecular formula is C9H9BrO3 and its molecular weight is 245.07 g/mol. The purity is usually 95%.
2-Bromo-4,5-dimethoxybenzaldehyde is a synthetic compound that has been shown to be an effective agent for inducing apoptosis in leukemia cells. It is an efficient method for synthesizing the compound and ha2-Bromo-4,5-dimethoxybenzaldehyde induces cell death by topoisomerase-mediated DNA cleavage, which results in chromosomal fragmentation and high levels of reactive oxygen species in the cell., 5392-10-9.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Vinyl bromides undergo the Heck reaction, which involves C-C coupling with alkene to give substituted alkenes. 5445-17-0, formula is C4H7BrO2, Name is Methyl 2-bromopropanoate. Methyl bromide is a precursor in the manufacture of several chemicals and is employed as a soil sterilant, mainly for seed production. Electric Literature of 5445-17-0.

Watabe, Takuma;Aoki, Daisuke;Otsuka, Hideyuki research published 《 Enhancement of Mechanophore Activation in Mechanochromic Dendrimers by Functionalization of Their Surface》, the research content is summarized as follows. The mechanochem. reactions of a series of dendrimers with a mechanochromic core were systematically investigated, and drastic enhancement of their reactivity was observed after their surface functionalization. We recently reported the quant. and qual. mechano-responsive behavior characteristic of a radical-type mechanophore for mechanochromic dendrimers (MDs) with defined structures in the bulk. In the present study, we systematically investigated the mechanochem. response of a series of dendrimers with different functional groups on their surfaces by mech. grinding in the bulk. Effective activation of the mechanochromic core was achieved in higher-generation MDs with hydrogen-bonding amide groups on their surfaces. A comparison of the degree of activation of the MDs with that of linear analogs revealed that the chain overlap, mol. size, and polarity affect the efficiency of the transmission of the grinding force to the mechanochromic core.

Electric Literature of 5445-17-0, Methyl 2-bromopropionate, also known as Methyl 2-bromopropionate, is a useful research compound. Its molecular formula is C4H7BrO2 and its molecular weight is 167 g/mol. The purity is usually 95%.
Methyl 2-bromopropionate is used in the synthesis of poly(ADP-Ribose)polymerase inhibitors derived from benzoxazin-3-one. Also used in the synthesis of 5-HT2C antagonists affecting serotonin levels.
Methyl 2-bromopropanoate is a chemical compound that can be synthesized in an asymmetric manner. The reaction of methyl 2-bromopropanoate with hydrochloric acid gives the corresponding carboxylic acid, methyl propanoate, and hydrogen bromide in a 1:1 ratio. It has been shown that methyl 2-bromopropanoate is a potential catalyst for the reduction of chloride to chloride ion via the borohydride reduction method. Methyl 2-bromopropanoate has also been used as a model system for studying halides and copper complexes. Magnetic resonance spectroscopy studies have revealed that this chemical compound has a high redox potential and kinetic properties., 5445-17-0.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Organic compounds having carbon bonded to bromine are called organic bromides. 20469-65-2, formula is C8H9BrO2, Name is 1-Bromo-3,5-dimethoxybenzene. Depending on the type of carbon to which the bromine is bonded, organic bromide could be alkyl, alkenyl, alkynyl, or aryl. Application In Synthesis of 20469-65-2.

Warmuth, Lucas;Weiss, Aaron;Reinhardt, Marco;Meschkov, Anna;Schepers, Ute;Podlech, Joachim research published 《 Total synthesis of decarboxyaltenusin》, the research content is summarized as follows. The total synthesis of decarboxyaltenusin (5′-methoxy-6-methyl-[1,1′-biphenyl]-3,3′,4-triol), a toxin produced by various mold fungi, had been achieved in seven steps in a yield of 31% starting from 4-methylcatechol and 1-bromo-3,5-dimethoxybenzene, where the longest linear sequence consists of five steps. The key reaction was a palladium-catalyzed Suzuki coupling of an aromatic boronate with a brominated resorcin derivative

Application In Synthesis of 20469-65-2, 1-Bromo-3,5-dimethoxybenzene, also known as 1-Bromo-3,5-dimethoxybenzene, is a useful research compound. Its molecular formula is C8H9BrO2 and its molecular weight is 217.06 g/mol. The purity is usually 95%.
1-Bromo-3,5-dimethoxybenzene is used as an intermediate in the synthetic preparation of pharmaceutical inhibitors via cross-coupling reactions.
1-Bromo-3,5-dimethoxybenzene can be synthesized by using 1,3-dimethoxybenzene via iridium-catalyzed arene borylation.
1-Bromo-3,5-dimethoxybenzene (1BDMB) is a synthetic molecule that can be used as an electron acceptor in organic photovoltaic cells. 1BDMB is a salt of the sodium salt of resorcylic acid and 1,3-dibromo-5,5-dimethoxybenzene. It has been shown to have a radical mechanism for the generation of free radicals. The radical mechanism is initiated by light absorption by the ruthenium complex at the center of the molecule which induces photoinduced electron transfer from the ruthenium to 1BDMB. This process results in electron transfer from the donor to an acceptor molecule, such as oxygen or nitrogen. The pharmacokinetic properties of this compound are not well known; however, it has been demonstrated that it can be synthesized through a cross-coupling reaction with other aromatic compounds such as stemofuran., 20469-65-2.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Organic bromides such as alkyl bromides are used as fumigants in agriculture to control insects. 70-23-5, formula is C5H7BrO3, Name is Ethyl 3-bromo-2-oxopropanoate. Ethylene bromide is one of the commercially important organic bromides which are the component of leaded gasoline. COA of Formula: C5H7BrO3.

Wang, Zongqiang;Forelli, Nicholas;Hernandez, Yozen;Ternei, Melinda;Brady, Sean F. research published 《 Lapcin, a potent dual topoisomerase I/II inhibitor discovered by soil metagenome guided total chemical synthesis》, the research content is summarized as follows. In natural product discovery programs, the power of synthetic chem. is often leveraged for the total synthesis and diversification of characterized metabolites. The synthesis of structures that are bioinformatically predicted to arise from uncharacterized biosynthetic gene clusters (BGCs) provides a means for synthetic chem. to enter this process at an early stage. The recent identification of non-ribosomal peptides (NRPs) containing multiple ρ-aminobenzoic acids (PABAs) led us to search soil metagenomes for BGCs that polymerize PABA. Here, we use PABA-specific adenylation-domain sequences to guide the cloning of the lap BGC directly from soil. This BGC was predicted to encode a unique N-acylated PABA and thiazole containing structure. Chem. synthesis of this structure gave lapcin, a dual topoisomerase I/II inhibitor with nM to pM IC₅₀s against diverse cancer cell lines. The discovery of lapcin highlights the power of coupling metagenomics, bioinformatics and total chem. synthesis to unlock the biosynthetic potential contained in even complex uncharacterized BGCs.

COA of Formula: C5H7BrO3, Ethyl bromopyruvate molecular formula is C5H7BrO3 and its molecular weight is 195.01 g/mol. The purity is usually 95%.

Ethyl bromopyruvate is used in a synthesis of thioxothiazolidines from carbon disulfide and primary amines.

Ethyl bromopyruvate is a chemical inhibitor that inhibits the enzyme pyruvate dehydrogenase, which is responsible for the conversion of pyruvic acid to acetyl-CoA. This inhibition leads to a decrease in ATP levels and can cause metabolic disorders. Ethyl bromopyruvate is used as an anthelmintic drug and in asymmetric synthesis. It is also used in the synthesis of thiostrepton, an antibiotic that has been shown to have antimicrobial activity against Gram-positive bacteria, including Staphylococcus aureus and Streptococcus pneumoniae., 70-23-5.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Dehydrobromination, Grignard reactions, reductive coupling, Wittig reaction, and several nucleophilic substitution reactions are some of the principal reactions which involve organic bromides. 402-49-3, formula is C8H6BrF3, Name is 1-(Bromomethyl)-4-(trifluoromethyl)benzene. Organic compounds having carbon bonded to bromine are called organic bromides. Name: 1-(Bromomethyl)-4-(trifluoromethyl)benzene.

Wang, Ziyong;Wu, Jason;Lamine, Walid;Li, Bo;Sotiropoulos, Jean-Marc;Chrostowska, Anna;Miqueu, Karinne;Liu, Shih-Yuan research published 《 C-Boron Enolates Enable Palladium Catalyzed Carboboration of Internal 1,3-Enynes》, the research content is summarized as follows. A new family of carbon-bound boron enolates CatBCR¹R²CO₂R³ (5, CatB = 1,2-C₆H₄O₂B), generated by a kinetically controlled halogen exchange between chlorocatecholborane CatBCl and silylketene acetals R¹R²C:C(OR³)(OTMS), is described. These C-boron enolates 5 are demonstrated to activate 1,3-enyne substrates R⁴CH:CHCCR⁵ in the presence of a Pd⁰/Senphos ligand complex, resulting in the first examples of a carboboration reaction of an alkyne with enolate-equivalent nucleophiles and giving boryl dienes R⁴CH:CHC(R¹R²CO₂R³):CR⁵Bpin, after transesterification with pinacol. Highly substituted dienyl boron building blocks are produced in excellent site-, regio-, and diastereoselectivity by the described catalytic cis-carboboration reaction.

Name: 1-(Bromomethyl)-4-(trifluoromethyl)benzene, 4-Trifluoromethylbenzyl bromide is a useful research compound. Its molecular formula is C8H6BrF3 and its molecular weight is 239.03 g/mol. The purity is usually 95%.
4-Trifluoromethylbenzyl bromide is a choline derivative that acts as an anticancer agent. It is structurally similar to the anticancer drug doxorubicin, which has been shown to be effective against breast cancer and leukemia. 4-Trifluoromethylbenzyl bromide interacts with cellular proteins, including choline kinase, and inhibits the mitochondrial pathway. This leads to cell death through apoptosis. The molecule also interacts with nucleotide bases such as thymine and cytosine in DNA, inhibiting transcription and replication. 4-Trifluoromethylbenzyl bromide binds strongly to the hydroxyl group of cholesterol by an electrophilic substitution mechanism to form a covalent bond with its hydroxy group. The molecule can also bind to chloride ions by an ionic bond., 402-49-3.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Organic bromides such as alkyl bromides are used as fumigants in agriculture to control insects. 823-78-9, formula is C7H6Br2, Name is 1-Bromo-3-(bromomethyl)benzene. Ethylene bromide is one of the commercially important organic bromides which are the component of leaded gasoline. Name: 1-Bromo-3-(bromomethyl)benzene.

Wang, Zhuangzhuang;Zhou, Xuehao;Gong, Shaofeng;Xie, Jianwei research published 《 MOF-Derived Cu@N-C Catalyst for 1,3-Dipolar Cycloaddition Reaction》, the research content is summarized as follows. Cu(i.m.)₂-derived Cu-N-C composites were used for the first time as efficient heterogeneous catalysts for one-pot 1,3-dipolar cycloaddition of terminal alkynes, aryl halides, and sodium azide to preparation of 1,4-disubstituted 1,2,3-triazoles with broad substrate scope and high yields. The catalyst can be easily reused without the changes of structure and morphol., and the heterogeneity nature was confirmed from the catalyst recyclability and metal leaching test.

Name: 1-Bromo-3-(bromomethyl)benzene, 3-Bromobenzyl bromide undergoes reduction with diethylzinc in the presence of Pd(PPh3)4 to yield corresponding hydrocarbon.

3-Bromobenzyl bromide is a useful research compound. Its molecular formula is C7H6Br2 and its molecular weight is 249.93 g/mol. The purity is usually 95%.

3-Bromobenzyl bromide is a molecule that has been synthesized and shown to have anticancer activity. It inhibits the activity of cancer cells by binding to amines in these cells and preventing the formation of hydrogen bonds between these molecules. 3-Bromobenzyl bromide has also been shown to selectively inhibit the activity of NS5B polymerase, an enzyme that is important in the replication of the hepatitis C virus. The synthetic nature of this molecule makes it an attractive target for analytical methods such as nuclear magnetic resonance spectroscopy. This molecule also shows significant cytotoxicity against cancer cell lines in vitro, as well as inducing tumor necrosis factor-alpha (TNF-α) production in lps-stimulated murine macrophages., 823-78-9.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Vinyl bromides undergo the Heck reaction, which involves C-C coupling with alkene to give substituted alkenes. 402-49-3, formula is C8H6BrF3, Name is 1-(Bromomethyl)-4-(trifluoromethyl)benzene. Methyl bromide is a precursor in the manufacture of several chemicals and is employed as a soil sterilant, mainly for seed production. Recommanded Product: 1-(Bromomethyl)-4-(trifluoromethyl)benzene.

Wang, Zhuangzhuang;Zhou, Xuehao;Gong, Shaofeng;Xie, Jianwei research published 《 MOF-Derived Cu@N-C Catalyst for 1,3-Dipolar Cycloaddition Reaction》, the research content is summarized as follows. Cu(i.m.)₂-derived Cu-N-C composites were used for the first time as efficient heterogeneous catalysts for one-pot 1,3-dipolar cycloaddition of terminal alkynes, aryl halides, and sodium azide to preparation of 1,4-disubstituted 1,2,3-triazoles with broad substrate scope and high yields. The catalyst can be easily reused without the changes of structure and morphol., and the heterogeneity nature was confirmed from the catalyst recyclability and metal leaching test.

402-49-3, 4-Trifluoromethylbenzyl bromide is a useful research compound. Its molecular formula is C8H6BrF3 and its molecular weight is 239.03 g/mol. The purity is usually 95%.
4-Trifluoromethylbenzyl bromide is a choline derivative that acts as an anticancer agent. It is structurally similar to the anticancer drug doxorubicin, which has been shown to be effective against breast cancer and leukemia. 4-Trifluoromethylbenzyl bromide interacts with cellular proteins, including choline kinase, and inhibits the mitochondrial pathway. This leads to cell death through apoptosis. The molecule also interacts with nucleotide bases such as thymine and cytosine in DNA, inhibiting transcription and replication. 4-Trifluoromethylbenzyl bromide binds strongly to the hydroxyl group of cholesterol by an electrophilic substitution mechanism to form a covalent bond with its hydroxy group. The molecule can also bind to chloride ions by an ionic bond., Recommanded Product: 1-(Bromomethyl)-4-(trifluoromethyl)benzene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Vinyl bromides undergo the Heck reaction, which involves C-C coupling with alkene to give substituted alkenes. 402-49-3, formula is C8H6BrF3, Name is 1-(Bromomethyl)-4-(trifluoromethyl)benzene. Methyl bromide is a precursor in the manufacture of several chemicals and is employed as a soil sterilant, mainly for seed production. Safety of 1-(Bromomethyl)-4-(trifluoromethyl)benzene.

Wang, Yingjie;Yu, Biao research published 《 Total Syntheses of Aturanosides A and B》, the research content is summarized as follows. Total syntheses of aturanosides A and B, two antiangiogenic anthraquinone glycosides, have been achieved in an expeditious manner, highlighting anthraquinone synthesis, phenol glycosylation, α-D-glucosaminoside installation, and judicious use of protecting groups.

402-49-3, 4-Trifluoromethylbenzyl bromide is a useful research compound. Its molecular formula is C8H6BrF3 and its molecular weight is 239.03 g/mol. The purity is usually 95%.
4-Trifluoromethylbenzyl bromide is a choline derivative that acts as an anticancer agent. It is structurally similar to the anticancer drug doxorubicin, which has been shown to be effective against breast cancer and leukemia. 4-Trifluoromethylbenzyl bromide interacts with cellular proteins, including choline kinase, and inhibits the mitochondrial pathway. This leads to cell death through apoptosis. The molecule also interacts with nucleotide bases such as thymine and cytosine in DNA, inhibiting transcription and replication. 4-Trifluoromethylbenzyl bromide binds strongly to the hydroxyl group of cholesterol by an electrophilic substitution mechanism to form a covalent bond with its hydroxy group. The molecule can also bind to chloride ions by an ionic bond., Safety of 1-(Bromomethyl)-4-(trifluoromethyl)benzene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Vinyl bromides undergo the Heck reaction, which involves C-C coupling with alkene to give substituted alkenes. 4897-84-1, formula is C5H9BrO2, Name is Methyl 4-bromobutanoate. Methyl bromide is a precursor in the manufacture of several chemicals and is employed as a soil sterilant, mainly for seed production. Safety of Methyl 4-bromobutanoate.

Wang, Yingge;Sun, Moran;Wang, Yuyang;Qin, Jinling;Zhang, Yixin;Pang, Yingyue;Yao, Yongfang;Yang, Hua;Duan, Yongtao research published 《 Discovery of novel tubulin/HDAC dual-targeting inhibitors with strong antitumor and antiangiogenic potency》, the research content is summarized as follows. A novel series of cis-diphenylethene and benzophenone derivatives as tubulin/HDAC dual-targeting inhibitors were designed and synthesized. Among them, compound I exhibited the most potent antiproliferative activities against six different human cancer cell lines. I not only inhibited tubulin polymerization, disrupted cellular microtubule networks but also selectively inhibited class IIa HDACs, especially HDAC7 activity. Further, mol. docking demonstrated that I could occupy the binding pockets of tubulin and HDAC7. Cellular mechanism studies revealed that I could induce G2/M phase arrest by down-regulated expression of p-cdc2 and cell apoptosis by regulating mitochondrial membrane potential, reactive oxygen species (ROS) levels and apoptosis-related proteins (PARP, Caspase families) in a dose-dependent manner. Importantly, I significantly inhibited HUVEC tube formation, proliferation, migration, and invasion. The inhibitory effect against angiogenesis in vivo was confirmed by zebrafish xenograft. Furthermore, I could effectively suppress the proliferation and metastasis of MGC-803 cells in vitro and in a zebrafish xenograft. All the above results indicate that I can act as a promising antitumor and antiangiogenic agent via targeting tubulin and class IIa HDACs.

Safety of Methyl 4-bromobutanoate, Methyl 4-bromobutyrate,also as known as 4-Bromobutyric acid methyl ester, is a useful research compound. Its molecular formula is C5H9BrO2 and its molecular weight is 181.03 g/mol. The purity is usually 95%.
4-Bromobutyric acid methyl ester is a synthetic compound that can be used to inhibit the activity of the G1 phase cyclin-dependent kinases. It has been shown to inhibit protein synthesis by alkylating the amino groups of proteins and fatty acids. 4-Bromobutyric acid methyl ester also inhibits the growth of cancer cell lines, such as renal carcinoma cells. The mechanism of action for this drug is not well understood, but it may be due to its ability to bind with monoclonal antibodies and enter kidney cells by passive diffusion., 4897-84-1.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary