Category: bromides-buliding-blocks

In 2022,Deng, Xuemei; Luo, Tian; Li, Zhao; Wen, Huaixiu; Zhang, Honghua; Yang, Xiaoyan; Lei, Fang; Liu, Dan; Shi, Tao; Zhao, Quanyi; Wang, Zhen published an article in European Journal of Medicinal Chemistry. The title of the article was 《Design, synthesis and anti-hepatocellular carcinoma activity of 3-arylisoquinoline alkaloids》.Related Products of 2635-13-4 The author mentioned the following in the article:

This article describes the syntheses and biol. activity of five 3-arylisoquinoline natural products corydamine (1), N-formyl Corydamine (2), hypecumine (3), Decumbenine B (XW) and 2-(1,3-dioxolo [4,5-h]isoquinolin-7-yl)-4,5-dimethoxy-N-methyl-Benzeneethanamine (A), and twelve analogs. Among them, 1, 2, and A were synthesized for the first time. In vitro screening for anti-proliferative activity showed that derivative 1a could significantly inhibit the proliferation of HCC cells (IC50 = 9.82 μM on Huh7 cells and 6.83 μM on LM9 cells), and arrest cell cycle at G2/M phase. The mechanistic studies further suggested compound 1a was a dual inhibitor of Topo I and Topo II, and Topo II inhibitory activity was superior to etoposide. In addition, 1a could significantly inhibit the invasion and migration of cancer cells by inhibiting the expression of MMP-9, and induce apoptosis through inhibiting the activation of the PI3K/Akt/mTOR signaling pathway. Moreover, in vivo studies demonstrated 1a could obviously reduce the growth of xenograft tumor and possessed good pharmacokinetic parameters, which indicated the potential value of 1a in treating liver cancer.5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4Related Products of 2635-13-4) was used in this study.

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.Related Products of 2635-13-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Long, Keith; Vaughn, Zoe; McDaniels, Michael David; Joyasawal, Sipak; Przepiorski, Aneta; Parasky, Emily; Sander, Veronika; Close, David; Johnston, Paul A.; Davidson, Alan J.; de Caestecker, Mark; Hukriede, Neil A.; Huryn, Donna M. published an article in ACS Pharmacology & Translational Science. The title of the article was 《Validation of HDAC8 Inhibitors as Drug Discovery Starting Points to Treat Acute Kidney Injury》.Name: Methyl 3-bromopropanoate The author mentioned the following in the article:

Acute kidney injury (AKI), a sudden loss of kidney function, is a common and serious condition for which there are no approved specific therapies. While there are multiple approaches to treat the underlying causes of AKI, no targets have been clin. validated. Here, we assessed a series of potent, selective competitive inhibitors of histone deacetylase 8 (HDAC8), a promising therapeutic target in an AKI setting. Using biochem. assays, zebrafish AKI phenotypic assays, and human kidney organoid assays, we show that selective HDAC8 inhibitors can lead to efficacy in increasingly stringent models. One of these, PCI-34051, was efficacious in a rodent model of AKI, further supporting the potential for HDAC8 inhibitors and, in particular, this scaffold as a therapeutic approach to AKI. In the experiment, the researchers used many compounds, for example, Methyl 3-bromopropanoate(cas: 3395-91-3Name: Methyl 3-bromopropanoate)

Methyl 3-bromopropanoate(cas: 3395-91-3) belongs to bromides. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact.Name: Methyl 3-bromopropanoate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Yamatsugu, Kenzo; Katoh, Hiroto; Yamashita, Takefumi; Takahashi, Kazuki; Aki, Sho; Tatsumi, Toshifumi; Kaneko, Yudai; Kawamura, Takeshi; Miura, Mai; Ishii, Masazumi; Ohkubo, Kei; Osawa, Tsuyoshi; Kodama, Tatsuhiko; Ishikawa, Shumpei; Kanai, Motomu; Sugiyama, Akira published an article in Protein Expression and Purification. The title of the article was 《Antibody mimetic drug conjugate manufactured by high-yield Escherichia coli expression and non-covalent binding system》.Safety of Benzyl 2-bromoacetate The author mentioned the following in the article:

Antibody-drug conjugates (ADCs) are a major therapeutic tool for the treatment of advanced cancer. Malignant cells in advanced cancer often display multiple genetic mutations and become resistant to monotherapy. Therefore, a therapeutic regimen that simultaneously targets multiple mols. with multiple payloads is desirable. However, the development of ADCs is hampered by issues in biopharmaceutical manufacturing and the complexity of the conjugation process of low-mol.-weight payloads to biologicals. Here, we report antibody mimetic-drug conjugates (AMDCs) developed by exploiting the non-covalent binding property of payloads based on high-affinity binding of mutated streptavidin and modified iminobiotin. Miniprotein antibodies were fused to a low immunogenic streptavidin variant, which was then expressed in Escherichia coli inclusion bodies, solubilized, and refolded into functional tetramers. The AMDC developed against human epidermal growth factor receptor 2 (HER2) effectively killed cultured cancer cells using bis-iminobiotin conjugated to photo-activating silicon phthalocyanine. The HER2-targeting AMDC was also effective in vivo against a mouse KPL-4 xenograft model. This AMDC platform provides rapid, stable, and high-yield therapeutics against multiple targets. In the part of experimental materials, we found many familiar compounds, such as Benzyl 2-bromoacetate(cas: 5437-45-6Safety of Benzyl 2-bromoacetate)

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.Safety of Benzyl 2-bromoacetate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Shcherbakov, Dmitriy; Baev, Dmitriy; Kalinin, Mikhail; Dalinger, Alexander; Chirkova, Varvara; Belenkaya, Svetlana; Khvostov, Aleksei; Krut’ko, Dmitry; Medved’ko, Aleksei; Volosnikova, Ekaterina; Sharlaeva, Elena; Shanshin, Daniil; Tolstikova, Tatyana; Yarovaya, Olga; Maksyutov, Rinat; Salakhutdinov, Nariman; Vatsadze, Sergey published an article in ACS Medicinal Chemistry Letters. The title of the article was 《Design and Evaluation of Bispidine-Based SARS-CoV-2 Main Protease Inhibitors》.Safety of Benzyl 2-bromoacetate The author mentioned the following in the article:

For the first time, derivatives of 3,7-diazabicyclo[3.3.1]nonane (bispidine) were proposed as potential inhibitors of the SARS-CoV-2 main viral protease (3-chymotrypsin-like, 3CLpro). Based on the created pharmacophore model of the active site of the protease, a group of compounds were modeled and tested for activity against 3CLpro. The 3CLpro activity was measured using the fluorogenic substrate Dabcyl-VNSTLQSGLRK(FAM)MA; the efficiency of the proposed approach was confirmed by comparison with literature data for ebselen and disulfiram. The results of the experiments performed with bispidine compounds showed that 14 compounds exhibited activity in the concentration range 1-10μM, and 3 samples exhibited submicromolar activity. The structure-activity relationship studies showed that the mols. containing a carbonyl group in the ninth position of the bicycle exhibited the maximum activity. Based on the exptl. and theor. results obtained, further directions for the development of this topic were proposed.Benzyl 2-bromoacetate(cas: 5437-45-6Safety of Benzyl 2-bromoacetate) was used in this study.

Benzyl 2-bromoacetate(cas: 5437-45-6) belongs to benzyl acetate. Benzyl acetate is a synthetic chemical produced for industry from benzyl alcohol and acetic acid, but is also naturally present in the essential oils of many plants, including jasmine and ylang ylang.Safety of Benzyl 2-bromoacetate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Liu, Naifang; Chen, Zhihui; Fan, Wenxuan; Su, Jie; Lin, Tingting; Xiao, Si; Meng, Jianqiao; He, Jun; Vittal, Jagadese J.; Jiang, Jianzhuang published an article in 2022. The article was titled 《Highly Efficient Multiphoton Absorption of Zinc-AIEgen Metal-Organic Frameworks》, and you may find the article in Angewandte Chemie, International Edition.Product Details of 523-27-3 The information in the text is summarized as follows:

A series of luminescent frameworks was synthesized from the selective combination of aggregation induced emission (AIE)-linker tetra-(4-carboxylphenyl)ethylene (H4TCPE) and Zn2+. Complex 1 was formed by the close packing of Zn-TCPE hinge, and isostructural complexes 2-5 were constructed by the linkage of Zn-TCPE layer and pillar ligands. These complexes exhibit highly efficient multiphoton excited photoluminescence (MEPL) and concomitant third-harmonic generation (THG). The multiphoton absorption (MPA) parameters of 1 are superior to other multiphoton emission materials including the perovskite nanocrystals. The incorporation of pillar linkers slows down the charge transfer between layers of Zn-TCPE, and the aromatic core of pillar linkers has a great influence on the MPA performance of the corresponding frameworks. The experimental part of the paper was very detailed, including the reaction process of 9,10-Dibromoanthracene(cas: 523-27-3Product Details of 523-27-3)

9,10-Dibromoanthracene(cas: 523-27-3) can be sublimated and oxidized to generate anthraquinone. Soluble in hot benzene and hot toluene, slightly soluble in alcohol, ether and cold benzene, insoluble in water.Product Details of 523-27-3

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Li, Yanrong; Rajasree, Sreehari Surendran; Lee, Ga Young; Yu, Jierui; Tang, Jian-Hong; Ni, Ruidong; Li, Guigen; Houk, Kendall. N.; Deria, Pravas; Stang, Peter J. published an article in 2021. The article was titled 《Anthracene-triphenylamine-based platinum(II) metallacages as synthetic light-harvesting assembly》, and you may find the article in Journal of the American Chemical Society.Application In Synthesis of Tris(4-bromophenyl)amine The information in the text is summarized as follows:

Two trigonal prismatic metallacages 1 and 2 bearing triphenylamine and anthracene moieties are designed and synthesized to fabricate artificial light-harvesting systems (LHSs). These two cages are prepared via the coordination-driven self-assembly of two anthracene-triphenylamine-based tripyridyl ligand 3, three dicarboxylates, and six 90° Pt(II) acceptors. The design of the anthracene-triphenylamine chromophore makes possible the tunable excited-state property (like the emissive transition energy and lifetime) as a function of the solvent polarity, temperature, and concentration The synergistic photophys. footprint of these metallacages, defined by their high absorptivity and emission quantum yield (QY) relative to the free ligand 3, signifies them as a superior light sensitizer component in an LHS. In the presence of the fluorescent dye Nile Red (NR) as an energy acceptor, the metallacages display efficient (>93%) excited energy transfer to NR through an apparent static quenching mechanism in viscous DMSO solvent. After reading the article, we found that the author used Tris(4-bromophenyl)amine(cas: 4316-58-9Application In Synthesis of Tris(4-bromophenyl)amine)

In general, Tris(4-bromophenyl)amine(cas: 4316-58-9) is often used in the synthesis of porous luminescent covalent–organic polymers (COPs)Application In Synthesis of Tris(4-bromophenyl)amine

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

The author of 《Hybrid molecules of scutellarein and tertramethylpyrazine’s active metabolites for ischemic stroke》 were Dong, Yongxi; Zhang, Xiaohe; Liu, Mingji; Yang, Yang; Guo, Ting; Mao, Yuanhu; Zhang, Jiquan; Fu, Xiaozhong; Zhao, Yonglong; Chen, Jinglei; Dong, Li; Qiao, Chunhua. And the article was published in Bioorganic & Medicinal Chemistry Letters in 2019. Quality Control of 4-Bromobutanoic acid The author mentioned the following in the article:

A series of hybrid mols. of scutellarein and tertramethylpyrazine’s active metabolites have been synthesized. Compared to the original compound, these prepared compounds exhibited higher water solubility, more appropriate logP and better stability. Importantly, compounds I [R = Me, iBu, sec-Bu] showed improved neuroprotective activity against the H2O2-induced cell death in PC12 cells, and better antithrombosis activity. The optimized compound I [R = Me] was further evaluated by cerebral ischemia/ reperfusion in the middle cerebral artery occlusion (MCAO) model, the results showed that the compound could significantly reduce the infarct area and decrease the neuronal cell damage in CA1 pyramidal neurons. Overall, we demonstrated that the twin drug strategy could be applied in the development of agents for the treatment of ischemic stroke. In the experimental materials used by the author, we found 4-Bromobutanoic acid(cas: 2623-87-2Quality Control of 4-Bromobutanoic acid)

4-Bromobutanoic acid(cas: 2623-87-2) belongs to carboxylic acids. The chief chemical characteristic of the carboxylic acids is their acidity. They are generally more acidic than other organic compounds containing hydroxyl groups but are generally weaker than the familiar mineral acids (e.g., hydrochloric acid, HCl, sulfuric acid, H2SO4, etc.).Quality Control of 4-Bromobutanoic acid

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

The author of 《Mechanistic Dichotomy of Magnesium- and Zinc-Based Germanium Nucleophiles in the C(sp3)-Ge Cross-Coupling with Alkyl Electrophiles》 were Xue, Weichao; Mao, Wenbin; Zhang, Liangliang; Oestreich, Martin. And the article was published in Angewandte Chemie, International Edition in 2019. Application of 7051-34-5 The author mentioned the following in the article:

Robust procedures for two mechanistically distinct C(sp3)-Ge bond formations from alkyl electrophiles and germanium nucleophiles are reported. The germanium reagents were made available as bench-stable solutions by lithium-to-magnesium and lithium-to-zinc transmetalation, resp. The germanium Grignard reagent reacts with various primary and secondary alkyl electrophiles by an ionic nucleophilic displacement. Conversely, the coupling of the corresponding zinc reagent requires a nickel catalyst, which then engages in radical bond formations with primary, secondary, and even tertiary alkyl bromides. Both methods avoid the regioselectivity issue of alkene hydrogermylation and enable the synthesis of a wide range of functionalized alkyl-substituted germanes. In the part of experimental materials, we found many familiar compounds, such as (Bromomethyl)cyclopropane(cas: 7051-34-5Application of 7051-34-5)

(Bromomethyl)cyclopropane(cas: 7051-34-5) is used as a synthetic building block for the introduction of the cyclopropylmethyl group. It was also used in the synthesis of 1,4-dienes via iron-catalyzed cross-coupling with alkenyl Grignard reagents.Application of 7051-34-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2018,Advanced Materials (Weinheim, Germany) included an article by Song, Jizhong; Fang, Tao; Li, Jianhai; Xu, Leimeng; Zhang, Fengjuan; Han, Boning; Shan, Qingsong; Zeng, Haibo. Recommanded Product: Indium(III) bromide. The article was titled 《Organic-Inorganic Hybrid Passivation Enables Perovskite QLEDs with an EQE of 16.48%》. The information in the text is summarized as follows:

Perovskite quantum dots (QDs) with high photoluminescence quantum yields (PLQYs) and narrow emission peak hold promise for next-generation flexible and high-definition displays. However, perovskite QD films often suffer from low PLQYs due to the dynamic characteristics between the QD’s surface and organic ligands and inefficient elec. transportation resulting from long hydrocarbon organic ligands as highly insulating barrier, which impair the ensuing device performance. Here, a general organic-inorganic hybrid ligand (OIHL) strategy is reported on to passivate perovskite QDs for highly efficient electroluminescent devices. Films based on QDs through OIHLs exhibit enhanced radiative recombination and effective elec. transportation properties compared to the primal QDs. After the OIHL passivation, QD-based light-emitting diodes (QLEDs) exhibit a maximum peak external quantum efficiency (EQE) of 16.48%, which is the most efficient electroluminescent device in the field of perovskite-based LEDs up to date. The proposed OIHL passivation strategy positions perovskite QDs as an extremely promising prospect in future applications of high-definition displays, high-quality lightings, as well as solar cells. The experimental process involved the reaction of Indium(III) bromide(cas: 13465-09-3Recommanded Product: Indium(III) bromide)

Indium(III) bromide(cas: 13465-09-3) is used in organic synthesis as a water tolerant Lewis acid. It efficiently catalyzes the three-component coupling of β-keto esters, aldehydes and urea (or thiourea) to afford the corresponding dihydropyrimidinones.Recommanded Product: Indium(III) bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2018,European Journal of Medicinal Chemistry included an article by Pan, Liangkun; Zheng, Qiang; Chen, Yu; Yang, Rui; Yang, Yanyan; Li, Zhongjun; Meng, Xiangbao. Safety of Methyl 3-(bromomethyl)benzoate. The article was titled 《Design, synthesis and biological evaluation of novel naphthoquinone derivatives as IDO1 inhibitors》. The information in the text is summarized as follows:

Indoleamine 2,3-dioxygenase 1 mediated kynurenine pathway of tryptophan degradation is identified as an appealing and novel target in immunotherapy for the treatment of cancer. In this study, a novel series of naphthoquinone derivatives were synthesized, characterized and evaluated for their inhibitory activities against IDO1, and their structure-activity relationship was investigated. Among them, five compounds, e.g., I,displayed potent IDO1 inhibitory activities with IC50 values ranging between 18 and 61 nM, which are more potent than INCB024360 undergoing clin. trial III evaluation. In addition, three compounds, e.g. II, decreased the kynurenine levels in rat plasma by 30%-50%. Compounds exhibiting excellent IDO1 inhibitory activities were also evaluated for their inhibitory activities against tryptophan 2,3-dioxygenase (TDO). Of which, compound II (IDO1 IC50 = 120 nM) showed promising TDO inhibition (IC50 72 nM) and was identified as an IDO1/TDO dual inhibitor. In addition to this study using Methyl 3-(bromomethyl)benzoate, there are many other studies that have used Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8Safety of Methyl 3-(bromomethyl)benzoate) was used in this study.

Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals.Safety of Methyl 3-(bromomethyl)benzoate Organobromine compounds have fallen under increased scrutiny for their environmental impact.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary