Category: bromides-buliding-blocks

In 2016,Kaiser, Felix; Schmidt, Andrea; Heydenreuter, Wolfgang; Altmann, Philipp Johannes; Casini, Angela; Sieber, Stephan A.; Kuehn, Fritz Elmar published 《Self-assembled palladium and platinum coordination cages: Photophysical studies and anticancer activity》.European Journal of Inorganic Chemistry published the findings.Name: 3,5-Dibromoaniline The information in the text is summarized as follows:

Self-assembled coordination cages are interesting as drug delivery systems. Therefore, the synthesis of new ML (M = Pd, Pt) mol. cages, derived from highly fluorescent, rigid polyaromatic ligands is reported and the first PtL cage with a ligand consisting of three pyridine moieties is described. Photophys. properties were examined showing high quantum yields of up to 48% for the methoxy-functionalized ligands. Coordination of the ligands to palladium and platinum ions reduces the metallocages’ fluorescence, however. The host-guest chem. of the palladium cage with cisplatin is investigated confirming the encapsulation. The cages encapsulating cisplatin show a significantly increased cytotoxicity towards A549 (human lung adenocarcinoma) cells compared to cisplatin, and thus appear to be promising delivery vectors for the anticancer drug cisplatin. The results came from multiple reactions, including the reaction of 3,5-Dibromoaniline(cas: 626-40-4Name: 3,5-Dibromoaniline)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Reduction of nitro compounds, RNO2, by hydrogen or other reducing agents produces primary amines cleanly (i.e., without a mixture of products), but the method is mostly used for aromatic amines because of the limited availability of aliphatic nitro compounds. Reduction of nitriles and oximes (R2C=NOH) also yields primary amines.Name: 3,5-Dibromoaniline

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

McNamara, Dennis J.; Berman, Ellen M.; Fry, David W.; Werbel, Leslie M. published an article in Journal of Medicinal Chemistry. The title of the article was 《Potent inhibition of thymidylate synthase by two series of nonclassical quinazolines》.Formula: C9H8BrNO4 The author mentioned the following in the article:

The synthesis and biol. activity of two series of nonclassical thymidylate synthase (TS) inhibitors are described. The first is a series of 10-propargyl-5,8-dideazafolic acid derivatives I (R = NH2; R1 = R2 = Cl, R3 = H; R1-R3 = OMe; R1 = R3 = H, R2 = Ac, F, cyano, CONH2, SO2NMe2, NO2, COCF3, OCF3) and the second is a series of 2-deamino derivatives I (R = H; R1 = R2 = Cl, R3 = H, R1-R3 = OMe; R1 = R3 = H, R4 = Ac), both bearing a more lipophilic substituent on the Ph ring than the CO-glutamate of classical antifolates. The compounds were tested for inhibition of purified L1210 TS and for inhibition of L1210 cell growth in vitro. Several of these nonclassical analogs approached the TS inhibitory potency of 10-propargyl-5,8-dideazafolic acid (II), a glutamate-containing TS inhibitor. I (R = NH2) were generally potent inhibitors of L1210 TS, with ED50s within the range of 0.51-11.5 μM for II. I (R = H) also exhibited significant, although diminished, TS inhibition. Both series were growth inhibitory to cells in tissue culture and this inhibition could be reversed by thymidine alone, indicating that the primary target was TS. None of the compounds was a potent inhibitor of dihydrofolate reductase. These studies indicate that the presence of the glutamate moiety in folate analogs is not an absolute requirement for potent inhibition of TS.Methyl 5-(bromomethyl)-2-nitrobenzoate(cas: 88071-91-4Formula: C9H8BrNO4) was used in this study.

Methyl 5-(bromomethyl)-2-nitrobenzoate(cas: 88071-91-4) 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: C9H8BrNO4 In contrast, terrestrial plants account only for a few bromine-containing compounds.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2009,Chemistry – A European Journal included an article by Gendrineau, Thomas; Demoulin, Nicolas; Navarre, Laure; Genet, Jean-Pierre; Darses, Sylvain. COA of Formula: C6H4BBrF3K. The article was titled 《Rhodium-Catalyzed Formation of Stereocontrolled Trisubstituted Alkenes from Baylis-Hillman Adducts》. The information in the text is summarized as follows:

Efficient and general conditions for the formation of stereodefined trisubstituted alkenes by using the rhodium-catalyzed reaction of unactivated Baylis-Hillman adducts with either organoboronic acids or potassium trifluoro(organo)borates are reported (see scheme). We report here efficient and general conditions for the formation of stereodefined trisubstituted alkenes using the rhodium-catalyzed reaction of unactivated Baylis-Hillman adducts with either organoboronic acids and potassium trifluoro(organo)borates. The use of the [{Rh(cod)OH}2] precursor gave very fast coupling reactions under low catalyst loading, very mild reaction conditions (from room temperature up to 50 °C) and without the need of addnl. phosphane ligands. Based on the new reaction conditions, the reaction, originally limited to Baylis-Hillman adducts derived from esters, could be extended to a large variety of Baylis-Hillman adducts, bearing either keto, cyano or amido functionalities. Moreover, the reaction of Baylis-Hillman adducts bearing esters functionality was improved and could be conducted at lower temperature using lower catalyst loading. In addition to this study using potassium (3-bromophenyl)trifluoroborate, there are many other studies that have used potassium (3-bromophenyl)trifluoroborate(cas: 374564-34-8COA of Formula: C6H4BBrF3K) was used in this study.

potassium (3-bromophenyl)trifluoroborate(cas: 374564-34-8) 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. In contrast, terrestrial plants account only for a few bromine-containing compounds.COA of Formula: C6H4BBrF3K

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2009,Chemistry – A European Journal included an article by Andaloussi, Mounir; Lindh, Jonas; Saevmarker, Jonas; Sjoeberg, Per J. R.; Larhed, Mats. COA of Formula: C6H4BBrF3K. The article was titled 《Microwave-Promoted Palladium(II)-Catalyzed C-P Bond Formation by Using Arylboronic Acids or Aryltrifluoroborates》. The information in the text is summarized as follows:

The first PdII-catalyzed P arylation has been performed by using palladium acetate, the rigid bidentate ligand dmphen (dmphen = 2,9-dimethyl-1,10-phenanthroline), and without the addition of base or acid. Couplings of arylboronic acids or aryl trifluoroborates with H-phosphonate dialkyl esters were conducted in 30 min with controlled microwave (MW) heating under non-inert conditions. Aryl phosphites were also synthesized at room temperature with atm. air as the sole reoxidant. The arylated phosphonates were isolated in 44-90% yields. The excellent chemoselectivity of the method was illustrated in the synthesis of a Mycobacterium tuberculosis glutamine synthetase (MTB-GS) inhibitor. Online ESI-MS was used to detect cationic palladium species in ongoing reactions directly, and a catalytic cycle has been proposed based on these results. In the experiment, the researchers used many compounds, for example, potassium (3-bromophenyl)trifluoroborate(cas: 374564-34-8COA of Formula: C6H4BBrF3K)

potassium (3-bromophenyl)trifluoroborate(cas: 374564-34-8) 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. COA of Formula: C6H4BBrF3K Due to the reactivity of bromide, they are used as potential precursors or important intermediates in organic synthesis.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of C7H5Br2FOn May 13, 2021 ,《Design and Structure-Activity Relationships of Isothiocyanates as Potent and Selective N-Acylethanolamine-Hydrolyzing Acid Amidase Inhibitors》 appeared in Journal of Medicinal Chemistry. The author of the article were Malamas, Michael S.; Pavlopoulos, Spiro; Alapafuja, Shakiru O.; Farah, Shrouq I.; Zvonok, Alexander; Mohammad, Khadijah A.; West, Jay; Perry, Nicholas Thomas; Pelekoudas, Dimitrios N.; Rajarshi, Girija; Shields, Christina; Chandrashekhar, Honrao; Wood, Jodi; Makriyannis, Alexandros. The article conveys some information:

N-Acylethanolamines are signaling lipid mols. implicated in pathophysiol. conditions associated with inflammation and pain. N-Acylethanolamine acid amidase (NAAA) favorably hydrolyzes lipid palmitoylethanolamide, which plays a key role in the regulation of inflammatory and pain processes. The synthesis and structure-activity relationship studies encompassing the isothiocyanate pharmacophore have produced potent low nanomolar inhibitors for hNAAA, while exhibiting high selectivity (>100-fold) against other serine hydrolases and cysteine peptidases. We have followed a target-based structure-activity relationship approach, supported by computational methods and known cocrystals of hNAAA. We have identified systemically active inhibitors with good plasma stability (t1/2 > 2 h) and microsomal stability (t1/2 ∼ 15-30 min) as pharmacol. tools to investigate the role of NAAA in inflammation, pain, and drug addiction. In the experiment, the researchers used many compounds, for example, 4-Bromo-1-(bromomethyl)-2-fluorobenzene(cas: 76283-09-5Synthetic Route of C7H5Br2F)

4-Bromo-1-(bromomethyl)-2-fluorobenzene(cas: 76283-09-5) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals.Synthetic Route of C7H5Br2F Organobromine compounds have fallen under increased scrutiny for their environmental impact.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Safety of EthylbromofluoroacetateOn May 11, 2020 ,《Nickel-Catalyzed α-Carbonylalkylarylation of Vinylarenes: Expedient Access to γ,γ-Diarylcarbonyl and Aryltetralone Derivatives》 appeared in Angewandte Chemie, International Edition. The author of the article were Kc, Shekhar; Dhungana, Roshan K.; Khanal, Namrata; Giri, Ramesh. The article conveys some information:

The authors report a Ni-catalyzed regioselective α-carbonylalkylarylation of vinylarenes with α-halocarbonyl compounds and arylzinc reagents. The reaction works with primary, secondary, and tertiary α-halocarbonyl mols., and electronically varied arylzinc reagents. The reaction generates γ,γ-diarylcarbonyl derivatives with α-secondary, tertiary, and quaternary carbon centers. The products can be readily converted to aryltetralones, including a precursor to Zoloft, an antidepressant drug. In addition to this study using Ethylbromofluoroacetate, there are many other studies that have used Ethylbromofluoroacetate(cas: 401-55-8Safety of Ethylbromofluoroacetate) was used in this study.

Ethylbromofluoroacetate(cas: 401-55-8) is a member of organofluorine compounds. Organofluorine compounds, which have carbon-fluorine bonds, show unique features such as high thermal and chemical stability, high surface activity, no light-absorbing ability, high pharmacological effect, and so on. Owing to their specific characters, they are indispensable chemicals for industry and our daily lives.Safety of Ethylbromofluoroacetate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Pandiri, Madhuri; Nukala, Satheesh Kumar; Dasari, Gouthami; Badithapuram, Vinitha; Bandari, Srinivas published an article in 2021. The article was titled 《Design and Synthesis of Some New N-Phenyl-[1,2,4]triazolo[4,3-a]quinoxaline-1-sulfonamide Derivatives and Their Anti-Cancer Activity》, and you may find the article in Russian Journal of General Chemistry.Recommanded Product: 626-40-4 The information in the text is summarized as follows:

Synthesis of some new derivatives of N-phenyl-[1,2,4]triazolo[4,3-a]quinoxaline-1-sulfonamide and their in vitro anticancer activity on four human cancer lines like MCF-7 (human breast cancer cell line), HeLa (human cervical cancer cell line), A549 (human lung cancer cell line), and IMR32 (human neuroblastoma cell line) have been studied. Among the products, N-(3,5-dichloronitrophenyl)-[1,2,4]triazolo[4,3-a]quinoxaline-1-sulfonamide, is characterized by the activity higher than the standard Etoposide against the tested cancer cell lines. In the experiment, the researchers used many compounds, for example, 3,5-Dibromoaniline(cas: 626-40-4Recommanded Product: 626-40-4)

3,5-Dibromoaniline(cas: 626-40-4) belongs to anime. Reaction with nitrous acid (HNO2), which functions as an acylating agent that is a source of the nitrosyl group (―NO), converts aliphatic primary amines to nitrogen and mixtures of alkenes and alcohols corresponding to the alkyl group in a complex process. This reaction has been used for analytical determination of primary amino groups in a procedure known as the Van Slyke method.Recommanded Product: 626-40-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Zuo, Ziqing; Kim, Raphael S.; Watson, Donald A. published an article in 2021. The article was titled 《Synthesis of Axially Chiral 2,2′-Bisphosphobiarenes via a Nickel-Catalyzed Asymmetric Ullmann Coupling: General Access to Privileged Chiral Ligands without Optical Resolution》, and you may find the article in Journal of the American Chemical Society.SDS of cas: 2635-13-4 The information in the text is summarized as follows:

The authors report an asym. homocoupling of ortho-(iodo)arylphosphine oxides and ortho-(iodo)arylphosphonates resulting in highly enantioenriched axially chiral bisphosphine oxides and bisphosphonates. These products are readily converted to enantioenriched biaryl bisphosphines without need for chiral auxiliaries or optical resolution This provides a practical route for the development of previously unstudied atroposelective biaryl bisphosphine ligands. The conditions also proved effective for asym. dimerization of other, nonphosphorus-containing aryl halides. In addition to this study using 5-Bromobenzo[d][1,3]dioxole, there are many other studies that have used 5-Bromobenzo[d][1,3]dioxole(cas: 2635-13-4SDS of cas: 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.SDS of cas: 2635-13-4

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Gou, Jun-Xian; Luo, Yang; Yang, Xi-Nan; Zhang, Wei; Lu, Ji-Hong; Tao, Zhu; Xiao, Xin published an article in 2021. The article was titled 《Study on the interactions between melamine-cored Schiff bases with cucurbit[n]urils of different sizes and its application in detecting silver ions》, and you may find the article in Beilstein Journal of Organic Chemistry.Related Products of 2969-81-5 The information in the text is summarized as follows:

Three different complexes, TMeQ[6]-TBT, Q[7]-TBT, and Q[8]-TBT are constructed by three different cucurbiturils and synthesized by guest melamine-cored Schiff bases (TBT) through outer-surface interaction and host-guest interactions. TBT forms a TMeQ[6]-TBT complex with TMeQ[6] through outer-surface interaction, while Q[7]-TBT and Q[8]-TBT form complexes with Q[7,8] through host-guest interactions. Among them, Q[7]-TBT is selected as a UV detector for the detection of silver ions (Ag+). This work makes full use of the characteristics of each cucurbituril and melamine-cored Schiff base to construct a series of complexes and these are applied to metal detection. In the experiment, the researchers used Ethyl 4-bromobutyrate(cas: 2969-81-5Related Products of 2969-81-5)

Ethyl 4-bromobutyrate(cas: 2969-81-5) 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.Related Products of 2969-81-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Sun, Yumeng; Li, Yueshan; Miao, Zhuang; Yang, Ruicheng; Zhang, Yun; Wu, Ming; Lin, Guifeng; Li, Linli published an article in 2021. The article was titled 《Discovery of 3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one derivatives as a new class of ROCK inhibitors for the treatment of glaucoma》, and you may find the article in Bioorganic & Medicinal Chemistry Letters.Product Details of 1129-28-8 The information in the text is summarized as follows:

The Rho-associated protein kinases (ROCKs) are associated with the pathol. of glaucoma and discovery of ROCK inhibitors has attracted much attention in recent years. Herein, we report a series of 3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one derivatives as a new class of ROCK inhibitors. Structure-activity relationship studies led to the discovery of compound 12b, which showed potent activities against ROCK I and ROCK II with IC50 values of 93 nM and 3 nM, resp. 12b also displayed considerable selectivity for ROCKs. The mean IOP-lowering effect of 12b in an ocular normotensive model was 34.3%, and no obvious hyperemia was observed Overall, this study provides a good starting point for ROCK-targeting drug discovery against glaucoma. In the experimental materials used by the author, we found Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8Product Details of 1129-28-8)

Methyl 3-(bromomethyl)benzoate(cas: 1129-28-8) belongs to organobromine compounds.Organobromine chemicals are produced naturally by an array of biological and other chemical processes in our environment. Product Details of 1129-28-8Some 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