Author: Jessica.F

On July 31, 2022, Jing, Ke; Wei, Ming-Kai; Yan, Si-Shun; Liao, Li-Li; Niu, Ya-Nan; Luo, Shu-Ping; Yu, Bo; Yu, Da-Gang published an article.Application In Synthesis of 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Visible-light photoredox-catalyzed carboxylation of benzyl halides with CO2: Mild and transition-metal-free. And the article contained the following:

The visible-light photoredox-catalyzed carboxylation of benzyl chlorides and bromides with CO2 has been reported. With inexpensive organic dyes as photocatalysts and amines as electron donors, this carboxylation proceeds well in the absence of sensitive organometallic reagents, transition metal catalysts, or metallic reductants. A wide range of com. available and inexpensive benzyl halides undergo such carboxylation to give valuable aryl acetic acids, including several pharmaceutical mols. and drug precursors, in moderate to high yields. Moreover, this reaction features mild reaction conditions (one atm. pressure of CO2 and room temperature), broad substrate scope, good functional group tolerance, easy scalability, and low catalyst loading, thus providing an efficient approach for the assembly of aryl acetic acids. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Application In Synthesis of 4-(Bromomethyl)-1,1′-biphenyl

The Article related to aryl acetic acid preparation visible light, benzyl chloride bromide carbon dioxide carboxylation photoredox catalyst, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Carboxylic Acids and Peroxycarboxylic Acids and Their Sulfur-Containing Analogs and Salts and other aspects.Application In Synthesis of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On November 30, 1989, Porwisiak, Jacek; Dmowski, Wojciech published an article.Related Products of 41819-13-0 The title of the article was An improved synthesis of dihalopyromellitic acids. And the article contained the following:

Durene (I, R = H) is halogenated to give I (R = Cl, Br), followed by oxidation with HNO3 and a catalytic amount of NH4VO3 to obtain a mixture of polycarboxylic acids. Subsequent oxidation with KMnO4 gives the title compounds II (R = Cl, Br) in 50-52% yield. The experimental process involved the reaction of 3,6-Dibromobenzene-1,2,4,5-tetracarboxylic acid(cas: 41819-13-0).Related Products of 41819-13-0

The Article related to chloropyromellitic acid, bromopyromellitic acid, halopyromellitic acid, oxidation halodurene, durene chlorination bromination, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Carboxylic Acids and Peroxycarboxylic Acids and Their Sulfur-Containing Analogs and Salts and other aspects.Related Products of 41819-13-0

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On September 3, 2020, He, Chen; Han, Wen-Yong; Cui, Bao-Dong; Wan, Nan-Wei; Chen, Yong-Zheng published an article.Reference of 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Efficient Assembly of Molecular Complexity Enabled by Palladium-Catalyzed Heck Coupling/C(sp2)-H Activation/ C(sp3)-H Activation Cascade. And the article contained the following:

A palladium-catalyzed [2+2+1] annulation among 3-iodochromones, benzyl bromides, and norbornene has been developed. This annulation consists of a domino sequence involving Heck coupling/C(sp2)-H activation/C(sp3)-H activation, affording a variety of complex chromone derivatives I (R = H, 6-Me, 7-F, etc.; R1 = C6H5, 3-MeC6H4, 4-FC6H4, etc.) bearing five contiguous tertiary carbon centers in up to 94% yield and 99:1 dr. Interestingly, the diastereoselectivity could be switched by fine-tuning the solvent, in which endo isomer and exo isomer were obtained using mesitylene/CH3CN and mesitylene, resp. 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 chromone preparation diastereoselective palladium catalyst, iodochromone benzyl bromide norbornene heck coupling carbon hydrogen activation, Heterocyclic Compounds (One Hetero Atom): Benzopyrans (Including Coumarins, Isocoumarins, Chromones, Benzopyrones, Dibenzopyrans, and Other Arenopyrans) and other aspects.Reference of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On January 31, 2022, Gao, Yong; Fu, Zhenda; Wu, Di; Yin, Hongquan; Chen, Fu-Xue published an article.Formula: C13H11Br The title of the article was Organocatalyzed Asymmetric Tandem Intramolecular oxa-Michael Addition/Electrophilic Thiocyanation: Synthesis of Chiral α-Thiocyanato Flavanones. And the article contained the following:

An efficient bifunctional cinchona alkaloids-catalyzed asym. tandem intramol. oxa-Michael addition/electrophilic thiocyanation of alkylidene β-ketoesters with N-thiocyanatosuccinimide (NTS) was developed. A series of chiral α-thiocyanato flavanones containing two vicinal stereocenters including an all-carbon quaternary center I [R1 = H, 7-Me, 6-Cl; R2 = Ph, 2-naphthyl, 2-thienyl, etc.; R3 = Me, Et, t-Bu] were prepared in good yields with excellent diastereo- and enantioselectivities (up to 97% ee) under mild conditions, and a successful scale up preparation of our protocol was also demonstrated. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Formula: C13H11Br

The Article related to chiral thiocyanato flavanone preparation, alkylidene ketoester thiocyanatosuccinimide asym tandem michael addition thiocyanation organocatalyst, Heterocyclic Compounds (One Hetero Atom): Benzopyrans (Including Coumarins, Isocoumarins, Chromones, Benzopyrones, Dibenzopyrans, and Other Arenopyrans) and other aspects.Formula: C13H11Br

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On September 30, 2022, Takao, Go; Hakozaki, Tomohiro; Miura, Keisuke; Urushibara, Yusuke; Fuchibe, Kohei; Ichikawa, Junji published an article.Electric Literature of 2567-29-5 The title of the article was Construction of Substituted [4]Acene Frameworks Based on Double Cationic Cyclizations of Fluoroalkenes. And the article contained the following:

5-Substituted and 5,6-disubstituted [4]acenes were synthesized by the double cationic cyclization of fluoroalkenes. (a) After being treated with Me2AlCl (1.2 equiv), 2-trifluoromethyl-1-alkenes bearing two aryl groups underwent domino Friedel-Crafts-type cyclization (two-ring construction) followed by dehydrogenation to generate 5-fluorinated [4]acenes. The same (trifluoromethyl)alkenes were treated with both Me2AlCl (1.2 equiv) and Me3Al (1.0 equiv), resulting in selective one-ring construction and the creation of bicyclic 1,1-difluoro-1-alkenes. (b) When treated with triflic acid, the bicyclic difluoroalkenes underwent regioselective protonation to generate CF2 cations; Friedel-Crafts-type cyclization of these cations provided tetracyclic ketones. The obtained ketones act as an appropriate platform for the introduction of substituents at the 5-position of [4]acenes. (c) When treated with DDQ/H+, the bicyclic difluoroalkenes underwent oxidative generation of allylic CF2 cations; Friedel-Crafts-type cyclization of these cations produced tetracyclic enones. The enones were subjected to double addition of carbanions to facilitate the introduction of two substituents at the 5- and 6-positions of dihydro[4]acenes. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Electric Literature of 2567-29-5

The Article related to trifluoromethyl alkene regioselective friedel crafts cyclization, polyacene preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Other Tricyclic and Multicyclic Six-Membered Ring Systems, Including Trypticenes and Helicenes and other aspects.Electric Literature of 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On July 31, 2022, Xu, Ying; Chen, Peng; Tang, Lei; Zhang, Xiaojun; Shi, Feng; Ning, Xuyang; Bi, Jingli; Qu, Yang; Liu, Hongfei published an article.Electric Literature of 574-98-1 The title of the article was Hypoxia responsive and tumor-targeted mixed micelles for enhanced cancer therapy and real-time imaging. And the article contained the following:

Most chemotherapy agents have serious side effects due to lack of tumor targeting, which affects their clin. application. In addition, as an essential characteristic of malignant tumor, hypoxia is attracting exclusive research focus regarding its non-invasive real-time tracing in novel targeting delivery system. Herein, we designed a mixed micelle with tumor targeting and hypoxia responsiveness for tumor therapy and imaging. In particular, the dual-modified mix micelles were self-assembled by folic acid (FA) and 2-(2-nitroimidazole) ethylamine (NI) conjugated polymers, in which paclitaxel (PTX) and quantum dots (QDs) were co-loaded into the hydrophobic core. The drug loaded micelles showed satisfactory drug encapsulation, good storage stability, and sustained release properties. In vitro cell experiments showed that the mixed micelles exhibited enhanced cytotoxic effect and improved the cellular uptake, especially under hypoxic conditions, which was due to the FA mediated active targeting effect and NI induced hypoxic responsive release. In vivo experiments further proved that the mixed micelles possessed outstanding tumor targeting and hypoxia responsive properties. Furthermore, the drug loaded micelles showed excellent anti-tumor effect and can realize real-time in vivo imaging. This work demonstrates that the dual-modified mixed micelles co-loading with PTX and QDs might provide a novel approach for tumor therapy and imaging. The experimental process involved the reaction of 2-(2-Bromoethyl)isoindoline-1,3-dione(cas: 574-98-1).Electric Literature of 574-98-1

The Article related to folic acid nitroimidazoleethylamine polymer hypoxia tumor targeted micelle antitumor, hypoxia responsiveness, paclitaxel, quantum dots, real-time imaging, targeted deliver and other aspects.Electric Literature of 574-98-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On July 26, 2021, Ravula, Thirupathi; Ramamoorthy, Ayyalusamy published an article.Application In Synthesis of 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Synthesis, Characterization, and Nanodisc Formation of Non-ionic Polymers. And the article contained the following:

Although lipid nanodiscs are increasingly used in the structural studies of membrane proteins, drug delivery and other applications, the interaction between the nanodisc belt and the protein to be reconstituted is a major limitation. To overcome this limitation and to further broaden the scope of nanodiscs, a family of non-ionic amphiphilic polymers synthesized by hydrophobic functionalization of fructo-oligosaccharides/inulin is reported. We show the stability of lipid nanodiscs formed by these polymers against pH and divalent metal ions, and their magnetic-alignment properties. The reported results also demonstrate that the non-ionic polymers extract membrane proteins with unprecedented efficiency. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Application In Synthesis of 4-(Bromomethyl)-1,1′-biphenyl

The Article related to nanodisc nonionic functionalization fructo oligosaccharide inulin nanodisc, membrane protein inulin functionalized, lipids, nanodiscs, non-ionic polymers, oligosaccharides and other aspects.Application In Synthesis of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Fonseca-Berzal, Cristina; Ibanez-Escribano, Alexandra; Vela, Nerea; Cumella, Jose; Nogal-Ruiz, Juan Jose; Escario, Jose Antonio; Bernardino da Silva, Patricia; Batista, Marcos Meuser; Soeiro, Maria de Nazare C.; Sifontes-Rodriguez, Sergio; Meneses-Marcel, Alfredo; Gomez-Barrio, Alicia; Aran, Vicente J. published an article in 2018, the title of the article was Antichagasic, Leishmanicidal, and Trichomonacidal Activity of 2-Benzyl-5-nitroindazole-Derived Amines.Recommanded Product: 574-98-1 And the article contains the following content:

Three different series of new 5-nitroindazole derivatives-1-(ω-aminoalkyl)-2-benzylindazolin-3-ones (series A; ten compounds), 3-(ω-aminoalkoxy)-2-benzylindazoles (series B; four compounds) and 3-alkylamino-2-benzylindazoles (series C; five compounds)-have been synthesized and evaluated against the protozoan parasites Trypanosoma cruzi, Leishmania amazonensis, and Trichomonas vaginalis: etiol. agents of Chagas disease, cutaneous leishmaniasis, and trichomoniasis, resp. Many indazoles of series A, B, and C were efficient against T. cruzi. Some compounds in series A, after successfully passing the preliminary screening for epimastigotes, exhibited activity values against amastigotes of several T. cruzi strains that were better than or similar to those shown by the reference drug benznidazole and displayed low nonspecific toxicity against mammalian cells. On the other hand, preliminary studies against promastigotes of L. amazonensis showed high leishmanicidal activity for some derivatives of series A and C. With regard to activity against T. vaginalis, some indazoles of series B and C were rather efficient against trophozoites of a metronidazole-sensitive isolate and showed low nonspecific toxicities toward Vero cell cultures. Addnl., some of these compounds displayed similar activity against metronidazole-sensitive and resistant isolates, showing the absence of cross-resistance between these derivatives and the reference drug. The experimental process involved the reaction of 2-(2-Bromoethyl)isoindoline-1,3-dione(cas: 574-98-1).Recommanded Product: 574-98-1

The Article related to benzyl nitroindazole amine antichagasic leishmanicidal trichomonacidal activity, antiprotozoal agents, leishmaniasis, nitrogen heterocycles, trichomoniasis, trypanosomiasis and other aspects.Recommanded Product: 574-98-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On April 1, 2021, Ibanez-Escribano, Alexandra; Reviriego, Felipe; Vela, Nerea; Fonseca-Berzal, Cristina; Nogal-Ruiz, Juan Jose; Aran, Vicente J.; Escario, Jose Antonio; Gomez-Barrio, Alicia published an article.Quality Control of 2-(2-Bromoethyl)isoindoline-1,3-dione The title of the article was Promising hit compounds against resistant trichomoniasis: Synthesis and antiparasitic activity of 3-(ω-aminoalkoxy)-1-benzyl-5-nitroindazoles. And the article contained the following:

A series of 11 3-(ω-aminoalkoxy)-1-benzyl-5-nitroindazoles has been prepared starting from 1-benzyl-5-nitroindazol-3-ol, and evaluated against sensitive and resistant isolates of the sexually transmitted protozoan Trichomonas vaginalis. A variety of nitroindazoles demonstrate trichomonacidal profiles with IC50 < 20μM against the metronidazole-sensitive isolate. Moreover, all these compounds submitted to cytotoxicity assays against mammalian cells exhibited low non-specific cytotoxic effects, except two compounds I and II which displayed moderate cytotoxicity (CC50 = 74.7 and 59.1μM, resp.). Those compounds with trichomonacidal effect were also evaluated against a metronidazole-resistant culture. Special mention deserve compounds III and IV, which displayed better IC50 values (1.3 and 0.5μM resp.) than that of the reference drug (IC50 MTZ = 3.0μM). The high activity of these compounds against the resistant isolate reinforces the absence of cross-resistance with the reference drug. The remarkable trichomonacidal results against resistant T. vaginalis isolates suggest the interest of 3-(ω-aminoalkoxy)-1-benzyl-5-nitroindazoles to be considered as good prototypes to continue in the development of new drugs with enhanced trichomonacidal activity, aiming to increase the non-existent drugs to face clin. resistance efficiently for those patients in whom therapy with 5-nitroimidazoles is contraindicated. The experimental process involved the reaction of 2-(2-Bromoethyl)isoindoline-1,3-dione(cas: 574-98-1).Quality Control of 2-(2-Bromoethyl)isoindoline-1,3-dione

The Article related to aminoalkoxy benzyl nitroindazole preparation antiparasitic resistant trichomoniasis, antiprotozoal agents, indazole, nitrogen heterocycles, resistance, trichomonas vaginalis and other aspects.Quality Control of 2-(2-Bromoethyl)isoindoline-1,3-dione

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Halik, Pawel K.; Lipinski, Piotr F. J.; Matalinska, Joanna; Kozminski, Przemyslaw; Misicka, Aleksandra; Gniazdowska, Ewa published an article in 2020, the title of the article was Radiochemical synthesis and evaluation of novel radioconjugates of neurokinin 1 receptor antagonist aprepitant dedicated for NK1R-positive tumors.Recommanded Product: 574-98-1 And the article contains the following content:

Aprepitant, a lipophilic and small mol. representative of neurokinin 1 receptor antagonists, is known for its anti-proliferative activity on numerous cancer cell lines that are sensitive to Substance P mitogen action. In the presented research, we developed two novel structural modifications of aprepitant to create aprepitant conjugates with different radionuclide chelators. All of them were radiolabeled with 68Ga and 177Lu radionuclides and evaluated in terms of their lipophilicity and stability in human serum. Furthermore, fully stable conjugates were examined in mol. modeling with a human neurokinin 1 receptor structure and in a competitive radioligand binding assay using rat brain homogenates in comparison to the aprepitant mol. This initial research is in the conceptual stage to give potential theranostic-like radiopharmaceutical pairs for the imaging and therapy of neurokinin 1 receptor-overexpressing cancers. The experimental process involved the reaction of 2-(2-Bromoethyl)isoindoline-1,3-dione(cas: 574-98-1).Recommanded Product: 574-98-1

The Article related to aprepitant radiopharmaceutical neurokinin receptor antagonist radionuclide chelator, aprepitant, neurokinin 1 receptor antagonist, radionuclide chelators, radiopharmaceuticals and other aspects.Recommanded Product: 574-98-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary