Tag: 700-800

Cheng, Ge; Wang, Yuechuan published their research in Huaxue Shiji on December 28 ,2000. The article was titled 《Synthesis of 1,3-bis(3,5-dibromophenyl)but-2-en-1-one catalyzed by tetrachlorosilane》.Product Details of 29102-67-8 The article contains the following contents:

The condensation of 3,5-dibromoacetophenone in absolute ethanol, mediated by tetrachlorosilane (TCS) gave 1,3-bis(3,5-dibromophenyl)-but-2-en-1-one and 1,3,5-tri(3,5-dibromophenyl)benzene with 24% and 30% isolated yield, resp. The mechanism of this reaction was discussed. The results came from multiple reactions, including the reaction of 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Product Details of 29102-67-8)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) belongs to organobromine compounds.The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. Product Details of 29102-67-8 The principal reactions for organobromides include dehydrobromination, Grignard reactions, reductive coupling, and nucleophilic substitution.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 29102-67-8On March 31, 2000, Cheng, Ge; Gan, Qiu; Wang, Yuechuan; Xie, Minggui published an article in Huaxue Shijie. The article was 《Synthesis of symmetrical bromo-1,3,5-triphenylbenzenes》. The article mentions the following:

1,3,5-Tri(3-bromophenyl)benzene and 1,3,5-tri(3,5-dibromophenyl)benzene were synthesized from m-bromoacetophenone and 3,5-dibromoacetophenone, resp., in the presence of SiCl4 in ethanol. The yield of 1,3,5-tri(3-bromophenyl)benzene was 74%, and that of 1,3,5-tri(3,5-dibromophenyl)benzene was 40%. The products were identified by UV, MS, IR, and 1H NMR. The yields can be improved by increasing the amount of SiCl4 or decreasing that of ethanol. In the experimental materials used by the author, we found 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Related Products of 29102-67-8)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals.Related Products of 29102-67-8 The most pervasive is the naturally produced bromomethane.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2013,CrystEngComm included an article by He, Yabing; Furukawa, Hiroyasu; Wu, Chuande; O’Keeffe, Michael; Chen, Banglin. Electric Literature of C24H12Br6. The article was titled 《A mesoporous lanthanide-organic framework constructed from a dendritic hexacarboxylate with cages of 2.4 nm》. The information in the text is summarized as follows:

Solvothermal reaction of a dendritic hexacarboxylic acid with Tb(NO3)3·6H2O afforded a mesoporous lanthanide-organic framework (Me2NH2)3[Tb3(L)2(H2O)3]·48DMA (UTSA-61, H6L = 1,3,5-tris[3,5-bis(4-carboxylphenyl)phenyl]benzene, DMA = N,N-dimethylacetamide) whose single-crystal x-ray structure was characterized to have octahedral cages of 2.4 nm in diameter This mesoporous MOF not only exhibits novel hey topol., but also maintains permanent porosity as shown in its N2, H2, CO2 and CH4 gas sorption isotherms. The experimental part of the paper was very detailed, including the reaction process of 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Electric Literature of C24H12Br6)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) 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. Due to the reactivity of bromide, they are used as potential precursors or important intermediates in organic synthesis. Electric Literature of C24H12Br6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Wang, Fei; Kon, Allan B.; Rauh, R. David published an article in Macromolecules. The title of the article was 《Synthesis of a Terminally Functionalized Bromothiophene Polyphenylene Dendrimer by a Divergent Method》.Formula: C24H12Br6 The author mentioned the following in the article:

A polyphenylene dendrimer terminally functionalized with bromothiophene was prepared by a stepwise divergent approach using the palladium-catalyzed coupling reaction of aryl-zinc chloride and aryl bromide. The reaction yields were high, and the purification procedure for products were simple. This synthetic method can be extended further to the higher generations of dendrimer synthesis. In the experiment, the researchers used many compounds, for example, 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Formula: C24H12Br6)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) 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. Formula: C24H12Br6 Moreover, several studies demonstrate that the average proportion of bromine in drugs is significantly higher than that in natural products.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Synthesis of oligophenylene dendrimer catalyzed by ligandless palladium chloride》 was written by Cheng, Ge; Wang, Yue-Chuan. Name: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl And the article was included in Yingyong Huaxue on August 23 ,2000. The article conveys some information:

A dendritic oligophenylene in yield of 48% has been synthesized via cross-coupling reaction of Ph boronic acid with 1,3,5-tris(3,5-dibromophenyl)benzene catalyzed by the ligandless palladium chloride in mixture of water/toluene/THF in the presence of tetrabutylammonium bromide. The yield per coupling (y/c) was 88%. In addition to this study using 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl, there are many other studies that have used 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Name: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl) was used in this study.

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) 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. Name: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl Moreover, several studies demonstrate that the average proportion of bromine in drugs is significantly higher than that in natural products.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Cheng, Ge; Zhao, Ling; Wang, Yuechuan published an article in Gaofenzi Xuebao. The title of the article was 《Synthesis and characterization of polyphenylene dendrimers containing terminal trimethylsilyl groups》.Electric Literature of C24H12Br6 The author mentioned the following in the article:

Polyphenylene dendrimers containing terminal trimethylsilyl groups have been synthesized by a phosphine-free palladium chloride-catalyzed Suzuki coupling of 1,3,5-tris(3′,5′-dibromophenyl)benzene with aryl boronic acids. These macromols. were characterized by Fourier transform IR (FTIR), NMR and matrix assisted laser desorption/ionization time of flight (MALDI-TOF) mass spectra. Gel permeation chromatog. (GPC) indicated that the hydrodynamic radius of I, with trimethylsilyl (TMS) groups substituted at para-positions on its terminal benzene rings, was larger than that of its Me derivative, with trimethylsilyl groups substituted at meta-positions on its terminal benzene rings. X-ray powder diffraction patterns showed that dendrimer I was of a certain amount of crystallinity and the Me derivative dendrimer was amorphous.3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Electric Literature of C24H12Br6) was used in this study.

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) 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. Electric Literature of C24H12Br6 Moreover, several studies demonstrate that the average proportion of bromine in drugs is significantly higher than that in natural products.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Li, Xiang-ri; Lin, Rui-chao published an article in Zhongchengyao. The title of the article was 《GC-MS analysis of volatile oils of Lysimachia foenum-graecum Hance》.Recommanded Product: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl The author mentioned the following in the article:

The objective is comparing the naphtha components in holy basil medicinal materials at four different producing areas such as Yunnan, Sichuan, Guangxi, and Jiangsu Province. Using gas chromatograph-mass spectrum (GC-MS) to study chem. compositions of naphtha in holy basil medicinal materials at four different producing areas such as Yunnan, Sichuan, Guangxi and Jiangsu Province. Of the 28, 44, 28, and 61 kinds of components were separated and detected in holy basil produced in Yunnan, Sichuan, Guangxi and Jiangsu Province resp. and their contents in whole oil were 93.74%, 97.13%, 96.16%, and 99.18%, resp. The holy basil medicinal materials produced in these four different areas all contained large amounts of aromatic substances such as esters. They all contained such substances as normal Hexadecane, Heneicosane and 6,10,14-trimethyl-2-Pentadecanone but there were differences between the compositions of medicinal materials in different producing areas, especially the compositions of medicinal materials produced in Guangxi Province had rather large differences. The experimental process involved the reaction of 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Recommanded Product: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) 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: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Li, Yan-Jun; Sasabe, Hisahiro; Su, Shi-Jian; Tanaka, Daisaku; Takeda, Takashi; Pu, Yong-Jin; Kido, Junji published an article on February 5 ,2010. The article was titled 《Highly efficient green phosphorescent OLED based on pyridine-containing starburst electron-transporting materials》, and you may find the article in Chemistry Letters.SDS of cas: 29102-67-8 The information in the text is summarized as follows:

Starburst materials, 1,3,5-tris[3,5-bis(pyrid-4-yl)phenyl]benzene (1a) and 1,3,5-tris[3,5-bis(pyrid-3-yl)phenyl]benzene (1b) were designed and synthesized. By using fac-tris(2-phenylpyridyl)iridium(III) [Ir(ppy)3] as a green emitter and 1 as an electron-transporting material, a green organic LED (OLED) was fabricated. The OLED exhibited a maximum power efficiency (PE) of 96 lm W-1 with an external quantum efficiency (EQE) of 23% at 2.1 cd m-2, and a PE of 75 lm W-1 with an EQE of 23% at 100 cd m-2. In addition to this study using 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl, there are many other studies that have used 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8SDS of cas: 29102-67-8) was used in this study.

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals.SDS of cas: 29102-67-8 The most pervasive is the naturally produced bromomethane.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Name: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenylOn March 31, 2002, Palomero, Juan; Mata, Jose A.; Gonzalez, Florenci; Peris, Eduardo published an article in New Journal of Chemistry. The article was 《Facile synthesis of first generation ferrocene dendrimers by a convergent approach using ditopic conjugated dendrons》. The article mentions the following:

A facile synthesis of new conjugated ferrocenyl-based dendrimers is reported and the compounds obtained have been fully characterized. The synthetic method consists of a two-step procedure, which combines olefination by the Wittig procedure and Pd-mediated C-C coupling, leading to high yields of first generation dendrimers with 3, 6 and 12 peripheral ferrocene units. The crystal structure of the conjugated ditopic ferrocenyl dendron and its aldehyde precursor are also described. In the experiment, the researchers used many compounds, for example, 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8Name: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) belongs to organobromine compounds.Organobromine chemicals are produced naturally by an array of biological and other chemical processes in our environment. Name: 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenylSome of these compounds are identical to man-made organobromine compounds, such as methyl bromide, bromoform, and bromophenols, but many others are entirely new moleclar entities, often possessing extraordinary and important biological properties.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Kim, Hyoung-Juhn published their research in Korean Membrane Journal on December 31 ,2003. The article was titled 《Sulfonated dendrimers for the application of fuel cell membranes 1. Synthesis and characterization of sulfonated dendrimers》.COA of Formula: C24H12Br6 The article contains the following contents:

1,3,5-Substituted polyphenylene type dendrimers were synthesized. The dendrimer was heated in concentrate H2SO4 at 120°C. The reaction mixture was precipitated to ether after simple filtration to get para-sulfonated dendrimer as the chief product. To give mech. properties to the sulfonated dendrimer, it was partially cross-linked with Ph ether in the medium of P2O5 and CH3SO3H. After reading the article, we found that the author used 3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8COA of Formula: C24H12Br6)

3,3”,5,5”-Tetrabromo-5′-(3,5-dibromophenyl)-1,1′:3′,1”-terphenyl(cas: 29102-67-8) belongs to organobromine compounds.Organobromine chemicals are produced naturally by an array of biological and other chemical processes in our environment. Some of these compounds are identical to man-made organobromine compounds, such as methyl bromide, bromoform, and bromophenols, but many others are entirely new moleclar entities, often possessing extraordinary and important biological properties. COA of Formula: C24H12Br6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary