Tag: 200-300

《An amino-coordination metal-organic framework for highly selective C2H2/CH4 and C2H2/C2H4 separations through the appropriate control of window sizes》 was written by Zhang, Ling; Cui, Xili; Xing, Huabin; Yang, Yu; Cui, Yuanjing; Chen, Banglin; Qian, Guodong. Formula: C6H5Br2NThis research focused onzinc aminophenylenediacrylate MOF preparation selective acetylene methane ethylene separation; crystal structure zinc aminophenylenediacrylate metal organic framework. The article conveys some information:

The efficient separation of C2H2vs. C2H4 and CH4 to obtain high-purity C2H2 and C2H4 is of significance for making full, economic use of these raw chems. Herein, an amino-coordination microporous metal-organic framework ZJU-198, ZnL·DMF (ZJU = Zhejiang University, L = (2E,2E’)-3,3′-(5-amino-1,3-phenylene)diacrylic acid, DMF = N,N’-DMF), was demonstrated as a valuable adsorbent for C2H2/C2H4 and C2H2/CH4 separations The activated ZJU-198a exhibits moderate C2H2 uptakes (99.4 cm3 cm-3 for 273 K and 98.4 cm3 cm-3 for 298 K under 1.0 bar) and moderately high C2H2/C2H4 selectivity (5.8 to 7.7 at 273 K and 4.8 to 7.2 at 298 K). Specifically, the C2H2/CH4 selectivity of ZJU-198a reaches up to 497.9 and 391.1 at 273 K and 298 K, resp. To the best of the authors’ knowledge, the C2H2/CH4 selectivity coefficients of ZJU-198a at both 298 K and 273 K are the highest values among the reported metal-organic frameworks, meaning that there is bright potential for ZJU-198a in hydrocarbon storage and separation After reading the article, we found that the author used 3,5-Dibromoaniline(cas: 626-40-4Formula: C6H5Br2N)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Large quantities of aliphatic amines are made synthetically. The most widely used industrial method is the reaction of alcohols with ammonia at a high temperature, catalyzed by metals or metal oxide catalysts (e.g., nickel or copper). Mixtures of primary, secondary, and tertiary amines are thereby produced.Formula: C6H5Br2N

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Application of 629-03-8In 2022 ,《Run-and-halt motility of droplets in response to light》 was published in Chem. The article was written by Ryabchun, Alexander; Babu, Dhanya; Movilli, Jacopo; Plamont, Remi; Stuart, Marc C. A.; Katsonis, Nathalie. The article contains the following contents:

Microscopic motility is a property that emerges from systems of interacting mols. Unraveling the mechanisms underlying such motion requires coupling the chem. of mols. with phys. processes that operate at larger length scales. Here, we show that photoactive micelles composed of mol. switches gate the autonomous motion of oil droplets in water. These micelles switch from large trans-micelles to smaller cis-micelles in response to light, and only the trans-micelles are effective fuel for the motion. Ultimately, it is this light that controls the movement of the droplets via the photochem. of the mols. composing the micelles used as fuel. Notably, the droplets evolve pos. photokinetic movement, and in patchy light environments, they preferentially move toward peripheral areas as a result of the difference in illumination conditions at the periphery. Our findings demonstrate that engineering the interplay between mol. photo-chem. and microscopic motility allows designing motile systems rationally. In the experiment, the researchers used 1,6-Dibromohexane(cas: 629-03-8Application of 629-03-8)

1,6-Dibromohexane(cas: 629-03-8) is generally used to introduce C6 spacer in the molecular architecture. Some of the examples are: synthesis of solvent processable and conductive polyfluorene ionomers for alkaline fuel cell applications; synthesis of cross-linkable regioregular poly(3-(5-hexenyl)thiophene) (P3HNT) for stabilizing the film morphology in polymer photovoltaic cells.Application of 629-03-8

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Batool, Razia; Riaz, Noreen; Junaid, Hafiz Muhammad; Waseem, Muhammad Tahir; Khan, Zulfiqar Ali; Nawazish, Shamyla; Farooq, Umar; Yu, Cong; Shahzad, Sohail Anjum published an article in ACS Omega. The title of the article was 《Fluorene-Based Fluorometric and Colorimetric Conjugated Polymers for Sensitive Detection of 2,4,6-Trinitrophenol Explosive in Aqueous Medium》.Recommanded Product: 3141-27-3 The author mentioned the following in the article:

Nitroarom. explosives are a class of compounds that are responsible for various health hazards and terrorist outrages. Among these, sensitive detection of 2,4,6-trinitrophenol (TNP) explosive has always been highly desirable considering public health and national security. In this regard, three fluorene-based conjugated polymers (CP 1, CP 2, and CP 3) were synthesized through the Suzuki-Miyaura coupling reaction and were found to be highly sensitive for fluorescence detection of TNP with detection limits of 3.2, 5.7, and 6.1 pM, resp. Excellent selectivity of CPs toward TNP was attributed to their unique π-π interactions based on fluorescence studies and d. functional theory (DFT) calculations The high sensitivity of CPs to TNP was attributed to the static quenching mechanism based on the photoinduced electron transfer process and was evaluated by fluorescence, UV-visible absorption, dynamic light scattering, Job′s plots, the Benesi-Hildebrand plots, and DFT calculations CPs were also used for colorimetric and real-water sample anal. for the detection of TNP explosive. Meanwhile, sensor-coated test strips were fabricated for on-site detection of TNP, which makes them convenient solid-supported sensors. In the part of experimental materials, we found many familiar compounds, such as 2,5-Dibromothiophene(cas: 3141-27-3Recommanded Product: 3141-27-3)

2,5-Dibromothiophene(cas: 3141-27-3) , is mainly used as pharmaceutical intermediate and synthesis intermediate. 2,5-Dibromothiophene may be used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes.Recommanded Product: 3141-27-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Wu, Jianglong; Wang, Chenyu; Wang, Zhongjie; Li, Hongjun; Liu, Ruyan; Wang, Yan; Zhou, Pengsheng; Li, Dianjun; Yang, Jinhui published an article in Synthesis. The title of the article was 《Base/B2pin2-Mediated Iodofluoroalkylation of Alkynes and Alkenes》.Synthetic Route of C7H5BrO2 The author mentioned the following in the article:

A base/B2pin2-mediated iodofluoroalkylation of alkynes and a part of alkenes, using Et difluoroiodoacetate (ICF2CO2Et) or ICnF2n+1(n = 3, 4, 6) as difluoroacetylating or perfluoroalkylating reagent, is disclosed. The reaction proceeds under mild conditions, and iododifluoroalkylation, hydrodifluoroalkylation and several perfluoroalkylation products were generated from alkynes or alkenes. Notably, this methodol. provides a simple access to difluoroalkylated and perfluoroalkylated organic compounds starting from simple alkynes or alkenes. The experimental part of the paper was very detailed, including the reaction process of 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4Synthetic Route of C7H5BrO2)

Furthermore, the coupling of 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4) with β-methallyl alcohol was catalyzed by Pd(OAc)2 in combination with P(t-Bu)3.Synthetic Route of C7H5BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Li, Changhao; He, Qiaobian; Xu, Yuwen; Lou, Hongxiang; Fan, Peihong published an article in ACS Omega. The title of the article was 《Synthesis of 3-O-Acetyl-11-keto-β-boswellic Acid (AKBA)-Derived Amides and Their Mitochondria-Targeted Antitumor Activities》.HPLC of Formula: 17696-11-6 The author mentioned the following in the article:

In this study, the authors synthesized a series of amide and mitochondria-targeted derivatives with 3-O-acetyl-11-keto-β-boswellic acid (AKBA) as the parent structure and an ethylenediamine moiety as the link chain. Compound I, a mitochondrial-targeting potential derivative, showed significantly stronger antitumor activity than that of AKBA, and it could induce vacuolization of A549 cells and stimulate the production of reactive oxygen species (ROS) in a time- and concentration-dependent manner. The antioxidant N-acetylcysteine (NAC) could inhibit the ROS level but could not suppress vacuolization and cell death induced by I. Further studies demonstrated that I caused abnormal opening of mitochondrial permeability transition pore (MPTP) and a decrease of mitochondrial membrane potential; addnl., it caused cell cycle arrest in G0/G1 but did not induce apoptosis. I represents a compound with improved antiproliferative effects for cancer therapy working through new mechanisms. In the part of experimental materials, we found many familiar compounds, such as 8-Bromooctanoic acid(cas: 17696-11-6HPLC of Formula: 17696-11-6)

8-Bromooctanoic acid(cas: 17696-11-6) acid is used in the synthesis of 8-(N-Methyl-4,4′-bipyridinyl)- octanoic acid. 8-Mercaptooctanoic acid was prepared from 8-bromooctanoic acid.HPLC of Formula: 17696-11-6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Simultaneously boosting the conjugation, brightness and solubility of organic fluorophores by using AIEgens》 was written by Qi, Ji; Duan, Xingchen; Cai, Yuanjing; Jia, Shaorui; Chen, Chao; Zhao, Zheng; Li, Ying; Peng, Hui-Qing; Kwok, Ryan T. K.; Lam, Jacky W. Y.; Ding, Dan; Tang, Ben Zhong. Recommanded Product: 2,5-Dibromothiophene And the article was included in Chemical Science in 2020. The article conveys some information:

Organic near-IR (NIR) emitters hold great promise for biomedical applications. Yet, most organic NIR fluorophores face the limitations of short emission wavelengths, low brightness, unsatisfactory processability, and the aggregation-caused quenching effect. Therefore, development of effective mol. design strategies to improve these important properties at the same time is a highly pursued topic, but very challenging. Herein, aggregation-induced emission luminogens (AIEgens) are employed as substituents to simultaneously extend the conjugation length, boost the fluorescence quantum yield, and increase the solubility of organic NIR fluorophores, being favorable for biol. applications. A series of donor-acceptor type compounds with different substituent groups (i.e., hydrogen, Ph, and tetraphenylethene (TPE)) are synthesized and investigated. Compared to the other two analogs, MTPE-TP3 with TPE substituents exhibits the reddest fluorescence, highest brightness, and best solubility Both the conjugated structure and twisted conformation of TPE groups endow the resulting compounds with improved fluorescence properties and processability for biomedical applications. The in vitro and in vivo applications reveal that the NIR nanoparticles function as a potent probe for tumor imaging. This study would provide new insights into the development of efficient building blocks for improving the performance of organic NIR emitters. After reading the article, we found that the author used 2,5-Dibromothiophene(cas: 3141-27-3Recommanded Product: 2,5-Dibromothiophene)

2,5-Dibromothiophene(cas: 3141-27-3) , is mainly used as pharmaceutical intermediate and synthesis intermediate. 2,5-Dibromothiophene may be used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes.Recommanded Product: 2,5-Dibromothiophene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Synthesis of Two Novel Mixed Bifunctional Chelating Agents: DO2AP(tBu)4 and DO3AP(tBu)4》 was written by Travagin, Fabio; Biondi, Luca; Lattuada, Luciano; Giovenzana, Giovanni B.. Recommanded Product: 5437-45-6 And the article was included in Synlett in 2020. The article conveys some information:

A convenient synthesis of two novel macrocyclic bifunctional chelating agents (BFCAs) I (R = H, carboxymethyl), formally derived from the well-known ligands DO3A and DOTA by selective replacement of one carboxymethyl side arm with a phosphonomethyl residue, is reported. The results came from multiple reactions, including the reaction of Benzyl 2-bromoacetate(cas: 5437-45-6Recommanded Product: 5437-45-6)

Benzyl 2-bromoacetate(cas: 5437-45-6) belongs to benzyl acetate. Benzyl acetate is an aromatic chemical, usually appearing as a clear liquid with a moderate sweet-jasmine fragrance. This compound appears as a component of some of our fragrance blends.Recommanded Product: 5437-45-6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

《Imidazolium-Functionalized Ionic Hypercrosslinked Porous Polymers for Efficient Synthesis of Cyclic Carbonates from Simulated Flue Gas》 was written by Zhang, Wenli; Ma, Fangpei; Ma, Long; Zhou, Yu; Wang, Jun. SDS of cas: 623-24-5 And the article was included in ChemSusChem in 2020. The article conveys some information:

The rapid growth of CO2 emissions, especially from power plants, has led to the urgent need to directly capture and fix CO2 in the flue gas after simple purification rather than energy-intensive gas separation Herein, imidazolium-functionalized ionic hypercrosslinked porous polymers (HCPs) bearing adjustable surface groups were straightforwardly synthesized through co-hypercrosslinking of benzylimidazole salts and crosslinker through Friedel-Crafts alkylation. Abundant microporosity and relatively high ionic moieties were obtainable in the ethyl-group-tethered ionic HCP, giving a remarkably selective CO2 capture performance with a CO2 uptake of 3.05 mmol g-1 and an ideal adsorbed solution theory (IAST) CO2/N2 selectivity as high as 363 (273 K, 1 bar). This ionic polymer demonstrated high efficiency in the synthesis of cyclic carbonates from the coupling of various epoxides with the simulated flue gas (15% CO2 and 85% N2), giving high yields, large turnover numbers (up to 4800), and stable reusability under additive- and solvent-free conditions. In the experimental materials used by the author, we found 1,4-Bis(bromomethyl)benzene(cas: 623-24-5SDS of cas: 623-24-5)

1,4-Bis(bromomethyl)benzene(cas: 623-24-5) 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: 623-24-5 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

《Synthesis, Characterization, and Application of Segphos Derivative Having Diferrocenylphosphino-Donor Moieties》 was published in Organometallics in 2020. These research results belong to Hu, Hao; Ichiryu, Hiroki; Seki, Naoki; Nakajima, Kiyohiko; Ohki, Yasuhiro; Ogasawara, Masamichi. Computed Properties of C7H5BrO2 The article mentions the following:

An axially chiral bisphosphine, Fc-Segphos (1), which possesses diferrocenylphosphino-donor moieties, was prepared as a racemate, and its optical resolution was achieved by the use of chiral HPLC. Ligand 1 coordinated to a palladium(II) cation in a bidentate fashion to construct a unique chiral environment at the palladium center due to the sterically demanding ferrocenyl groups. Ligand (R)-1 was applied in the palladium-catalyzed asym. synthesis of axially chiral allenes showing good enantioselectivity of up to 92% ee. In general, (R)-1 displayed better enantioselectivity than the parent Segphos in the palladium-catalyzed reaction, and the Pd/(R)-1 species showed up to 18% ee enhancement over the (R)-Segphos-derived palladium catalyst. In the experimental materials used by the author, we found 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4Computed Properties of C7H5BrO2)

Furthermore, the coupling of 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4) with β-methallyl alcohol was catalyzed by Pd(OAc)2 in combination with P(t-Bu)3.Computed Properties of C7H5BrO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Xie, Xiu-Ying; Jiang, Wei-Tao; Xiao, Bin published their research in Synthesis in 2021. The article was titled 《Alkyl Carbagermatrane Enabled Synthesis of Seven-Membered Carbocycle-Fused Aromatics through Catellani Strategy》.Related Products of 17696-11-6 The article contains the following contents:

Synthesis of seven-membered carbocycle-fused aromatics was realized by Catellani reaction using terminally brominated alkyl carbagermatranes through intermol. cyclization manner. Various functional groups were well tolerated and this transformation was also expanded to the synthesis of carbocycles of other size. The utility of the above method was demonstrated by modification of natural product derivatives and synthesis of bioactive mols. The experimental process involved the reaction of 8-Bromooctanoic acid(cas: 17696-11-6Related Products of 17696-11-6)

8-Bromooctanoic acid(cas: 17696-11-6) acid is used in the synthesis of 8-(N-Methyl-4,4′-bipyridinyl)- octanoic acid. 8-Mercaptooctanoic acid was prepared from 8-bromooctanoic acid. And 8-Bromooctanoic Acid is a useful compound for sonodynamic therapy.Related Products of 17696-11-6

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary