Author: Jessica.F

On April 24, 2013, Zhang, Liang-Liang; Guo, Yu; Wei, Yan-Hui; Guo, Jie; Wang, Xing-Po; Sun, Dao-Feng published an article.Recommanded Product: 41819-13-0 The title of the article was Crystal structure and temperature-dependent fluorescent property of a 2D cadmium (II) complex based on 3,6-dibromobenzene-1,2,4,5-tetracarboxylic acid. And the article contained the following:

A new Cd (II) organic coordination polymers [Cd(dbtec)0.5(H2O)3]·H2O (1), was constructed based on 3,6-dibromobenzene-1,2,4,5-tetracarboxylic acid (H4dbtec), and characterized by elemental anal. (EA), IR spectroscopy (IR), powder x-ray diffraction (PXRD), and single crystal X-ray diffraction. In 1, μ2-η1:η1 and μ4-η2:η2 dbtec ligands link four heptacoordinated CdII ions to form a 2-dimensional 44 topol. layer structure, which is further connected into an interesting 3-dimensional network by H bond and Br···O halogen bond. Also, the thermal stabilities, solid UV spectroscopy and temperature-dependent fluorescent properties of 1 were studied. The experimental process involved the reaction of 3,6-Dibromobenzene-1,2,4,5-tetracarboxylic acid(cas: 41819-13-0).Recommanded Product: 41819-13-0

The Article related to preparation cadmium bromobenzenetetracarboxylate coordination polymer, crystal structure cadmium bromobenzenetetracarboxylate coordination polymer, fluorescence cadmium bromobenzenetetracarboxylate coordination polymer and other aspects.Recommanded Product: 41819-13-0

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Cresp, T. M.; Sargent, M. V.; Elix, J. A.; Murphy, D. P. H. published an article in 1973, the title of the article was Formylation and bromination ortho to the hydroxy-group of 2-carbonyl-substituted phenols in the presence of titanium(IV) chloride.Name: Methyl 5-bromo-2-methoxy-4-methylbenzoate And the article contains the following content:

Formylation with Cl2CHOMe-TiCl4 of Me 2,4-dihydroxybenzoate, Me 2-hydroxy-4-methoxybenzoate, Et 2-hydroxy-4-methoxy-6-methylbenzoate, Me 2-hydroxy-4-methylbenzoate, and 2-hydroxy-4-methoxyacetophenone gave the 3-formyl derivatives as the major products. Bromination in the presence of TiCl4 gave similar results. Formation of a six-membered ring Ti complex (e.g., I) induces selective substitution ortho to the OH group. The experimental process involved the reaction of Methyl 5-bromo-2-methoxy-4-methylbenzoate(cas: 39503-58-7).Name: Methyl 5-bromo-2-methoxy-4-methylbenzoate

The Article related to selective formylation phenol derivative, formylation hydroxybenzoate titanium chloride, phenol carboxy formylation titanium, bromination hydroxybenzoate titanium chloride, chloromethyl ether formylation phenol derivative and other aspects.Name: Methyl 5-bromo-2-methoxy-4-methylbenzoate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On May 31, 2022, Zhang, Naichen; Ye, Yuanzhi; Bai, Lu; Liu, Jingjing; Wang, Han; Luan, Xinjun published an article.Safety of 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Transition metal-free dearomatization of halonaphthols with C(sp3)-electrophiles. And the article contained the following:

The first intermol. electrophilic dearomatization of halonaphthols I (R1 = H, 7-MeO, 6-Me3Si, 3-Cl, etc.) with benzyl/allyl bromides R2Br (R2 = PhCH2, PhCHMe, 4-MeO2CC6H4CH2, H2C:CHCH2, PhCH:CH, etc.) is described. Halonaphthols are used as carbon nucleophiles in dearomatization to form three-dimensional cyclic enones II with excellent chemoselectivity, in which etherification of phenolic hydroxyl group could be restrained by using cesium carbonate as the base. A wide range of cyclic enones was directly prepared from various substituted benzyl/allyl bromides and halonaphthols. Mechanistic investigations suggest a direct SN2 reaction pathway. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Safety of 4-(Bromomethyl)-1,1′-biphenyl

The Article related to allylic bromide fluoronaphthol chemoselective electrophilic allylation dearomatization, allyl benzyl fluoro naphthalenone preparation, fluoronaphthol chemoselective electrophilic benzylation benzyl bromide dearomatization and other aspects.Safety of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On October 10, 2022, Wang, Yanwei; Zhao, Zhiwei; Pan, Deng; Wang, Siyi; Jia, Kangping; Ma, Dengke; Yang, Guoqing; Xue, Xiao-Song; Qiu, Youai published an article.Product Details of 2567-29-5 The title of the article was Metal-Free Electrochemical Carboxylation of Organic Halides in the Presence of Catalytic Amounts of an Organomediator. And the article contained the following:

Herein, an electroreductive carboxylation of organic carbon-halogen bonds (X=Br and Cl) promoted by catalytic amounts of naphthalene as an organic mediator is reported. This transformation proceeds smoothly under mild conditions with a broad substrate scope of 59 examples, affording the valuable and versatile carboxylic acids in moderate to excellent yields without the need of costly transition metal, wasted stoichiometric metal reductants, or sacrificial anodes. Further late-stage carboxylations of natural product and drug derivatives demonstrate its synthetic utility. Mechanistic studies confirmed the activation of carbon-halogen bonds via single-electron transfer and the key role of naphthalene in this reaction. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Product Details of 2567-29-5

The Article related to carboxylic acid aryl alkyl preparation, aryl chloride bromide carbon dioxide electroreductive carboxylation naphthalene catalyst, co2 utilization, carboxylation, electroreduction, organic halides, organic reductive mediator and other aspects.Product Details of 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Kreyenschmidt, Friedrich; Koszinowski, Konrad published an article in 2018, the title of the article was Low-Valent Ate Complexes Formed in Cobalt-Catalyzed Cross-Coupling Reactions with 1,3-Dienes as Additives.Related Products of 83152-22-1 And the article contains the following content:

The combination of CoCl2 and 1,3-dienes is known to catalyze challenging alkyl-alkyl cross-coupling reactions between Grignard reagents and alkyl halides, but the mechanism of these valuable transformations remains speculative. Herein, electrospray-ionization mass spectrometry is used to identify and characterize the elusive intermediates of these and related reactions. The vast majority of detected species contain low-valent cobalt(I) centers and diene mols. Charge tagging, deuterium labeling, and gas-phase fragmentation experiments elucidate the likely origin of these species and show that the diene not only binds to Co as a π ligand, but also undergoes migratory insertion reactions into Co-H and Co-R bonds. The resulting species have a strong tendency to form anionic cobalt(I) ate complexes, the superior nucleophilicity of which should render them highly reactive toward electrophilic substrates and, thus, presumably is the key to the high catalytic efficiency of the system under investigation. Upon the reaction of the in situ formed cobalt(I) ate complexes with organyl halides, only the final cross-coupling product could be detected, but no cobalt(III) species. This finding implies that this reaction step proceeds in a direct manner without any intermediate or, alternatively, that it involves an intermediate with a very short lifetime. The experimental process involved the reaction of (6-Bromohexyl)triphenylphosphonium bromide(cas: 83152-22-1).Related Products of 83152-22-1

The Article related to low valet cobalt complex cross coupling reaction diene reaction, cobalt diene electrospray ionization mass spectrometry intermediate preparation, ate complexes, cobalt, cross-coupling, mass spectrometry, reactive intermediates and other aspects.Related Products of 83152-22-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Jiang, Jian-An; Chen, Cheng; Huang, Jian-Gang; Liu, Hong-Wei; Cao, Song; Ji, Ya-Fei published an article in 2014, the title of the article was Cu(OAc)2-catalyzed remote benzylic C(sp3)-H oxyfunctionalization for C=O formation directed by the hindered para-hydroxyl group with ambient air as the terminal oxidant under ligand- and additive-free conditions.Synthetic Route of 185345-46-4 And the article contains the following content:

A hindered para-hydroxyl group-directed remote benzylic C(sp3)-H oxyfunctionalization has been developed for the straightforward transformation of 2,6-disubstituted 4-cresols, 4-alkylphenols, 4-hydroxybenzyl alcs. and 4-hydroxybenzyl alkyl ethers into various aromatic carbonyl compounds The ligand- and additive-free Cu(OAc)2-catalyzed atm. oxidation-mediated by ethylene glycol unlocks a facile, atom-economical, and environmentally benign C=O formation for the functionalization of primary and secondary benzyl groups. Due to the pharmaceutical importance of 4-hydroxybenzaldehydes and 4-hydroxyphenones, the methodol. is expected to be of significant value for both fundamental research and practical applications. The experimental process involved the reaction of 3-Bromo-5-fluoro-4-hydroxybenzaldehyde(cas: 185345-46-4).Synthetic Route of 185345-46-4

The Article related to cresol alkylphenol hydroxybenzyl alc ether copper catalyzed benzylic oxyfunctionalization, hindered phenol oxidation air ethylene glycol ligand additive free, hydroxybenzaldehyde hydroxyphenone environmentally benign preparation and other aspects.Synthetic Route of 185345-46-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On February 1, 2020, Sun, Nannan; Ma, Xiaojun; Zhou, Kaifeng; Zhu, Chen; Cao, Zhonglian; Wang, Yonghui; Xu, Jun; Fu, Wei published an article.Reference of 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Discovery of novel N-sulfonamide-tetrahydroquinolines as potent retinoic acid receptor-related orphan receptor γt inverse agonists for the treatment of autoimmune diseases. And the article contained the following:

In this study, authors designed and synthesized a series of N-sulfonamide-tetrahydroquinolines by mol. modeling and scaffold hopping strategy, aiming at improving the metabolic stabilities. Detailed SAR exploration led to identification of potent RORγt inverse agonists such as compound II with moderate binding affinity and inhibitory activity of Th17 cell differentiation. Binding mode of compound II with RORγt-LBD was revealed by mol. docking. Moreover, compound II showed lower intrinsic clearance in mouse liver microsomes compared with compound I and potent in-vivo efficacy and safety in psoriasis models, which can be used as a good starting point for the further optimization. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Reference of 4-(Bromomethyl)-1,1′-biphenyl

The Article related to sulfonamido tetrahydroquinoline preparation rror inverse agonist sar safety, inverse agonists, metabolic stability, n-sulfonamide-tetrahydroquinolines, psoriasis, retinoic acid receptor-related orphan receptor γt (rorγt), th17 cells and other aspects.Reference of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Islam, M. Q.; Hill, W. E.; Webb, T. R. published an article in 1989, the title of the article was Synthesis and characterization of long chain unsymmetrical diphosphines.Safety of (6-Bromohexyl)triphenylphosphonium bromide And the article contains the following content:

The long-chain unsym. diphosphines, R2P(CH2)nPPh2 (R = Me, Et; n = 6, 8) have been synthesized and characterized by their 31P and 1H NMR spectra. The purity of product is strictly dependent on the reaction condition. Attempted preparation of the diphosphines with same substituents on P but a longer chain length (10 and 12 methylene bridge) was unsuccessful because of possible disubstitution in the first of the four step synthesis giving mixed products (sym. and unsym. diphosphines). The experimental process involved the reaction of (6-Bromohexyl)triphenylphosphonium bromide(cas: 83152-22-1).Safety of (6-Bromohexyl)triphenylphosphonium bromide

The Article related to diphosphine unsym long chain, dibromoalkane reaction triorganophosphine, oxidation diphosphonium dibromide unsym, bromoalkylphosphonium bromide preparation reaction triorganophosphine, quaternization triorganophosphine dibromoalkane and other aspects.Safety of (6-Bromohexyl)triphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Nakayama, Kaii; Kamiya, Hidehiro; Okada, Yohei published an article in 2022, the title of the article was Radical cation Diels-Alder reactions of arylidene cycloalkanes.Name: (6-Bromohexyl)triphenylphosphonium bromide And the article contains the following content:

TiO2 photoelectrochem. and electrochem. radical cation Diels-Alder reactions of arylidene cycloalkanes are described, leading to the construction of spiro ring systems. Although the mechanism remains an open question, arylidene cyclobutanes are found to be much more effective in the reaction than other cycloalkanes. Since the reaction is completed with a substoichiometric amount of electricity, a radical cation chain pathway is likely to be involved. The experimental process involved the reaction of (6-Bromohexyl)triphenylphosphonium bromide(cas: 83152-22-1).Name: (6-Bromohexyl)triphenylphosphonium bromide

The Article related to spiro compound preparation photoelectrochem electrochem reaction, arylidene cycloalkane dimethyl butadiene diels alder reaction, diels–alder reaction, arylidene cycloalkane, radical cation, single-electron transfer, spiro ring system and other aspects.Name: (6-Bromohexyl)triphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On May 26, 1987, Haga, Toru; Nagano, Hideyoshi; Okuda, Hiroki; Takase, Masayuki published a patent.Computed Properties of 111010-07-2 The title of the patent was Preparation of 5-bromo-4-chloro-2-fluoroaniline as intermediate for tetrahydrophthalimide herbicides. And the patent contained the following:

The title compound (I), useful as an intermediate for herbicidal tetrahydrophthalimides II (R = H, alkyl, Ph) were prepared by reduction of 1-bromo-2-chloro-4-fluoro-5-nitrobenzene (III). A mixture of 14 g III and 20 g Fe powder in AcOH 20, EtOAc 30, and 5% aqueous AcOH 50 mL was refluxed at 60-80° for 3 h to give 10.4 g I. The experimental process involved the reaction of 5-Bromo-4-chloro-2-fluoroaniline(cas: 111010-07-2).Computed Properties of 111010-07-2

The Article related to aniline trihalo preparation herbicide intermediate, herbicide intermediate bromochlorofluoroaniline preparation, phthalimide tetrahydro herbicide intermediate trihaloaniline, bromochlorofluoroaniline intermediate herbicide preparation and other aspects.Computed Properties of 111010-07-2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary