M.W=250-300 Archives - Page 26 of 46 - Bromides-buliding-blocks

Rook, Jerri M.’s team published research in ACS Chemical Neuroscience in 8 | CAS: 76283-09-5

ACS Chemical Neuroscience published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C7H5Br2F, Application In Synthesis of 76283-09-5.

Rook, Jerri M. published the artcileDiverse Effects on M₁ Signaling and Adverse Effect Liability within a Series of M₁ Ago-PAMs, Application In Synthesis of 76283-09-5, the publication is ACS Chemical Neuroscience (2017), 8(4), 866-883, database is CAplus and MEDLINE.

Both historical clin. and recent preclin. data suggest that the M1 muscarinic acetylcholine receptor is an exciting target for the treatment of Alzheimer’s disease and the cognitive and neg. symptom clusters in schizophrenia; however, early drug discovery efforts targeting the orthosteric binding site have failed to afford selective M1 activation. Efforts then shifted to focus on selective activation of M1 via either allosteric agonists or pos. allosteric modulators (PAMs). While M1 PAMs have robust efficacy in rodent models, some chemotypes can induce cholinergic adverse effects (AEs) that could limit their clin. utility. Here, the authors report studies aimed at understanding the subtle structural and pharmacol. nuances that differentiate efficacy from adverse effect liability within an indole-based series of M1 ago-PAMs. The authors’ data demonstrate that closely related M1 PAMs can display striking differences in their in vivo activities, and especially their propensities to induce adverse effects. The authors report the discovery of a novel PAM in this series that is devoid of observable adverse effect liability. Interestingly, the mol. pharmacol. profile of this novel PAM is similar to that of a representative M1 PAM that induces severe AEs. For instance, both compounds are potent ago-PAMs that demonstrate significant interaction with the orthosteric site (either bi-topic or neg. cooperativity). However, there are subtle differences in efficacies of the compounds at potentiating M1 responses, agonist potencies, and abilities to induce receptor internalization. While these differences may contribute to the differential in vivo profiles of these compounds, the in vitro differences are relatively subtle and highlight the complexities of allosteric modulators and the need to focus on in vivo phenotypic screening to identify safe and effective M1 PAMs.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Walter, Isabell’s team published research in ChemMedChem in 16 | CAS: 76283-09-5

ChemMedChem published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C8H8O3, COA of Formula: C7H5Br2F.

Walter, Isabell published the artcileStructure-Activity Relationship and Mode-of-Action Studies Highlight 1-(4-Biphenylylmethyl)-1H-imidazole-Derived Small Molecules as Potent CYP121 Inhibitors, COA of Formula: C7H5Br2F, the publication is ChemMedChem (2021), 16(18), 2786-2801, database is CAplus and MEDLINE.

CYP121 of Mycobacterium tuberculosis (Mtb) is an essential target for the development of novel potent drugs against tuberculosis (TB). Besides known antifungal azoles, further compounds of the azole class were recently identified as CYP121 inhibitors with antimycobacterial activity. Herein, we report the screening of a similarity-oriented library based on the former hit compound, the evaluation of affinity toward CYP121, and activity against M. bovis BCG. The results enabled a comprehensive SAR study, which was extended through the synthesis of promising compounds and led to the identification of favorable features for affinity and/or activity and hit compounds with 2.7-fold improved potency. Mode of action studies show that the hit compounds inhibit substrate conversion and highlighted CYP121 as the main antimycobacterial target of our compounds Exemplified complex crystal structures of CYP121 with three inhibitors reveal a common binding site. Engaging in both hydrophobic interactions as well as hydrogen bonding to the sixth iron ligand, our compounds block a solvent channel leading to the active site heme. Addnl., we report the first CYP inhibitors that are able to reduce the intracellular replication of M. bovis BCG in macrophages, emphasizing their potential as future drug candidates against TB.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Qiu, Hui’s team published research in Bioorganic & Medicinal Chemistry in 40 | CAS: 76283-09-5

Bioorganic & Medicinal Chemistry published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C7H5Br2F, Quality Control of 76283-09-5.

Qiu, Hui published the artcileDiscovery of potent and selective reversible Bruton’s tyrosine kinase inhibitors, Quality Control of 76283-09-5, the publication is Bioorganic & Medicinal Chemistry (2021), 116163, database is CAplus and MEDLINE.

Bruton’s tyrosine kinase (BTK) is a cytoplasmic, non-receptor tyrosine kinase member of the TEC family of tyrosine kinases. Pre-clin. and clin. data have shown that targeting BTK can be used for the treatment for B-cell disorders. Here we disclose the discovery of a novel imidazo[4,5-b]pyridine series of potent, selective reversible BTK inhibitors through a rational design approach. From a starting hit mol. I, medicinal chem. optimization led to the development of a lead compound II, which exhibited 58 nM BTK inhibitory potency in human whole blood and high kinome selectivity. Addnl., the compound demonstrated favorable pharmacokinetics (PK), and showed potent dose-dependent efficacy in a rat CIA model.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Ramírez-Vélez, Robinson’s team published research in Journal of strength and conditioning research in 2020 | CAS: 34033-41-5

Journal of strength and conditioning research published new progress in MEDLINE about 34033-41-5, 34033-41-5 belongs to class bromides-buliding-blocks, name is 4-Bromo-2-chloro-6-nitroaniline, and the molecular formula is C6H4BrClN2O2, HPLC of Formula: 34033-41-5.

Ramírez-Vélez, Robinson published the artcileEffect of Moderate- Versus High-Intensity Interval Exercise Training on Heart Rate Variability Parameters in Inactive Latin-American Adults: A Randomized Clinical Trial., HPLC of Formula: 34033-41-5, the main research area is .

Ramírez-Vélez, R, Tordecilla-Sanders, A, Téllez-T, LA, Camelo-Prieto, D, Hernández-Quiñonez, PA, Correa-Bautista, JE, Garcia-Hermoso, A, Ramírez-Campillo, R, and Izquierdo, M. Effect of moderate- versus high-intensity interval exercise training on heart rate variability parameters in inactive Latin-American adults: a randomized clinical trial. J Strength Cond Res 34(12): 3403-3415, 2020-We investigated the effect of moderate versus high-intensity interval exercise training on the heart rate variability (HRV) indices in physically inactive adults. Twenty inactive adults were randomly allocated to receive either moderate-intensity training (MCT group) or high-intensity interval training (HIT group). The MCT group performed aerobic training at an intensity of 55-75%, which consisted of walking on a treadmill at 60-80% of the maximum heart rate (HRmax) until the expenditure of 300 kcal. The HIT group ran on a treadmill for 4 minutes at 85-95% peak HRmax and had a recovery of 4 minutes at 65% peak HRmax until the expenditure of 300 kcal. Supine resting HRV indices (time domain: SDNN = SD of normal-to-normal intervals; rMSSD = root mean square successive difference of R-R intervals and frequency domain: HFLn = high-frequency spectral power; LF = low-frequency spectral power and HF/LF ratio) were measured at baseline and 12 weeks thereafter. The SDNN changes were 3.4 (8.9) milliseconds in the MCT group and 29.1 (7.6) milliseconds in the HIT group {difference between groups 32.6 (95% confidence interval, 24.9 to 40.4 [p = 0.01])}. The LF/HFLn ratio changes were 0.19 (0.03) milliseconds in the MCT group and 0.13 (0.01) milliseconds in the HIT group (p between groups = 0.016). No significant group differences were observed for the rMSSD, HF, and LF parameters. In inactive adults, this study showed that a 12-week HIT training program could increase short-term HRV, mostly in vagally mediated indices such as SDNN and HF/LFLn ratio power. Trial registration. ClinicalTrials.gov NCT02738385 https://clinicaltrials.gov/ct2/show/NCT01796275, registered on March 23, 2016.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Sumiya, Tomio’s team published research in International Journal of Chemical Engineering and Applications in 2017 | CAS: 55099-31-5

International Journal of Chemical Engineering and Applications published new progress about Fungicides. 55099-31-5 belongs to class bromides-buliding-blocks, name is Ethyl 10-bromodecanoate, and the molecular formula is C12H23BrO2, Application of Ethyl 10-bromodecanoate.

Sumiya, Tomio published the artcileSynthesis of imidazole and indole hybrid molecules and antifungal activity against rice blast, Application of Ethyl 10-bromodecanoate, the main research area is Magnaporthe rice blast imidazole indole hybrid mol antifungal.

Azole and indole are parent substances of many natural and synthetic compounds with significant biol. activity. However, the biol. activity of the indole and azole conjugates are lack of investigation. In the present work, a series of hybrid mols. with imidazole and indole moiety were designed by using camalexin as a mol. scaffold. Compounds with different length of the carboxylic acid (4a-4f) were prepared The antifungal activity of this synthetic series together with the Et esters analogs (3a-3f) against Magnaporthe oryzae were determined by using agar cup plate assay. Data obtained from the structure-activity relationship studies indicated that the ester analogs displayed antifungal activity against Magnaporthe oryzae while the carboxylic acid derivatives did not. This result indicated that the carboxylic acid Et ester moiety is important to antifungal activity. Among all the synthesized compounds, we found that, at a concentration of 100 μM, compound 3c displays the most potent inhibition activity with 38.8 ± 2.5% on the inhibition of the diameter of the mycelial mat of Magnaporthe oryzae while the pos. control of propiconazole (10 μM) was found 39.3 ± 2.9%.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Perpetuini, Giorgia’s team published research in LWT–Food Science and Technology in 2021-07-31 | CAS: 55099-31-5

LWT–Food Science and Technology published new progress about Acidity. 55099-31-5 belongs to class bromides-buliding-blocks, name is Ethyl 10-bromodecanoate, and the molecular formula is C12H23BrO2, Category: bromides-buliding-blocks.

Perpetuini, Giorgia published the artcileInfluence of FLO1 and FLO5 genes on aroma profile of sparkling wines, Category: bromides-buliding-blocks, the main research area is sparkling wine aroma FLO gene influence.

This study investigated the influence of S. cerevisiae F6789A strain and its derivative mutants – harbouring FLO1 gene deletion (F6789A-ΔFLO1) and FLO5 gene deletion (F6789A-ΔFLO5) – on secondary fermentation, autolysis outcome and aroma compounds production Data revealed differences in terms of metabolic behavior leading to the production of sparkling wines with different characteristics. F6789A showed the best fermentation kinetic reaching a pressure of 5 bar inside the bottle, while F6789A-ΔFLO1 and F6789A-ΔFLO5 reached 4 bar and 3.8 bar, resp. Cell viability was in agreement with fermentation kinetics. In fact, F6789A showed the highest number of cells. An early autolysis was observed for F6789A-ΔFLO5. Differences were observed especially for esters in terms of number and quantity of esters released. In particular, the parental strains produced 39 different esters while F6789A-ΔFLO1 and F6789A-ΔFLO5 27 and 35, resp. F6789A-ΔFLO5 was the main ester producer with a total amount of about 89 mg/L. Sensory anal. showed that all the strains produced balanced sparkling wines with neg. and pos. attributes arranged in good proportions, showing good aroma descriptors. Obtained data suggested that FLO1 or FLO5 genes had a pleiotropic effect affecting not only flocculation ability but also other metabolic traits.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Muramoto, Yokichi’s team published research in Agricultural and Biological Chemistry in 1974 | CAS: 55099-31-5

Agricultural and Biological Chemistry published new progress about Esters. 55099-31-5 belongs to class bromides-buliding-blocks, name is Ethyl 10-bromodecanoate, and the molecular formula is C12H23BrO2, Application of Ethyl 10-bromodecanoate.

Muramoto, Yokichi published the artcileEthyl 3-oxoglutarate derivatives. III. Synthesis of long chain oxodicarboxylic esters from ethyl 3-oxoglutarate, Application of Ethyl 10-bromodecanoate, the main research area is glutarate oxo alkylation haloester; alkylation oxoglutarate haloester; oxoalkanedioate dialkyl; carboxylic diester aliphatic oxo.

The monoanion of the Mg chelate prepared from Et 3-oxoglutarate (I) and Mg(OEt)2 was alkylated with a haloester to give a monoalkylated derivative A second alkylation with a different haloester in the presence of NaOEt followed by decarboxylative hydrolysis and esterification gave an unsymmetrical long chain oxodicarboxylic ester, such as di-Et 5-oxoheptadecanedioate, di-Me 6-methyl-8-oxopentadecanedioate di-Et 6-methyl-4-oxopentadecanedioate, or di-Et 2-methyl-4-oxopentadecanedioate. Moreover, di-Et 8-oxopentadecanedioate was obtained by the alkylation of I with Et 6-bromohexanoate in the presence of NaOEt alone as a catalyst. These esters appear suitable for cyclization to macrocyclic ketones.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Hara, Daiki’s team published research in ChemBioChem in 2018 | CAS: 55099-31-5

ChemBioChem published new progress about Cell nucleus. 55099-31-5 belongs to class bromides-buliding-blocks, name is Ethyl 10-bromodecanoate, and the molecular formula is C12H23BrO2, Related Products of bromides-buliding-blocks.

Hara, Daiki published the artcileTracking the Oxygen Status in the Cell Nucleus with a Hoechst-Tagged Phosphorescent Ruthenium Complex, Related Products of bromides-buliding-blocks, the main research area is lung cancer cell oxygen hoechst tagged phosphorescent ruthenium complex; Hoechst 33258; cell nuclei; imaging agents; oxygenation; phosphorescent probes; ruthenium.

Mol. oxygen in living cells is distributed and consumed inhomogeneously, depending on the activity of each organelle. Therefore, tractable methods that can be used to monitor the oxygen status in each organelle are needed to understand cellular function. Here we report the design of a new oxygen-sensing probe for use in the cell nucleus. We prepared “”Ru-Hoechsts””, each consisting of a phosphorescent ruthenium complex linked to a Hoechst 33258 moiety, and characterized their properties as oxygen sensors. The Hoechst unit shows strong DNA-binding properties in the nucleus, and the ruthenium complex shows oxygen-dependent phosphorescence. Thus, Ru-Hoechsts accumulated in the cell nucleus and showed oxygen-dependent signals that could be monitored. Of the Ru-Hoechsts prepared in this study, Ru-Hoechst b, in which the ruthenium complex and the Hoechst unit were linked through a hexyl chain, showed the most suitable properties for monitoring the oxygen status. Ru-Hoechsts are probes with high potential for visualizing oxygen fluctuations in the nucleus.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Yan, Lin-Jie’s team published research in Acta Crystallographica, Section E: Structure Reports Online in 2013-06-30 | CAS: 156089-67-7

Acta Crystallographica, Section E: Structure Reports Online published new progress about Conformation. 156089-67-7 belongs to class bromides-buliding-blocks, name is 4,5-Dibromo-2-hydroxybenzaldehyde, and the molecular formula is C7H4Br2O2, HPLC of Formula: 156089-67-7.

Yan, Lin-Jie published the artcile6,8-Dibromo-3-nitro-2-phenyl-2H-chromene, HPLC of Formula: 156089-67-7, the main research area is crystal structure dibromonitrophenylchromene; mol structure bromonitrophenylchromene; chromene dibromonitrophenyl crystal mol structure; benzopyran dibromonitrophenyl crystal mol structure; pyran dibromonitrophenylbenzo crystal mol structure; dibromonitrophenylbenzopyran crystal mol structure; bromonitrophenylbenzopyran crystal mol structure.

In 6,8-dibromo-3-nitro-2-phenyl-2H-chromene, C15H9Br2NO3, the chromene unit is not quite planar (root-mean-square deviation from planarity = 0.0888 Å). The dihydropyran ring adopts an envelope conformation with the phenyl-substituted C atom fused to the dihydropyran ring as the flap. The dihedral angle between the plane defined by this C atom and the adjacent C and O atoms and the mean plane of the dihydropyran ring excluding the phenyl-substituted C atom is 25.1(3)°. The dihedral angle between the mean plane of the chromene unit and the Ph ring is 85.7(1)°. The crystal structure features C-H···O H bonds and Br···O contacts [3.289(3) Å] involving the nitro O atoms. Crystallog. data are given.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Islam, A. M.’s team published research in United Arab Republic Journal of Chemistry in 1970 | CAS: 34033-41-5

United Arab Republic Journal of Chemistry published new progress about Halogenation. 34033-41-5 belongs to class bromides-buliding-blocks, name is 4-Bromo-2-chloro-6-nitroaniline, and the molecular formula is C6H4BrClN2O2, Name: 4-Bromo-2-chloro-6-nitroaniline.

Islam, A. M. published the artcileHalogenation of substituted anilines with halogen acids and hydrogen peroxide, Name: 4-Bromo-2-chloro-6-nitroaniline, the main research area is aniline halogenation; haloaniline preparation.

To a solution of substituted nitroaniline, EtOH and HCl (or HBr) was added 27.2% H2O2, the whole stirred 1 hr at 50°, filtered from any formed dihalogen derivatives, and the filtrate diluted with 100 ml H2O to give the corresponding mono halogenated product. The dihalogenated products were prepared by doubling the acid concentration in the above experiment The mono- and dihalogenated products (I) prepared were (R1, R2, R3, and R4 given): H, Cl, H, NO2; Cl, Cl, H, NO2; H, Br, H, NO2; Br, Br, H, NO2; Cl, Br, H, NO2; H, NO2, H, Cl; Cl, NO2, H, Cl; H, NO2, H, Br; Br, NO2, H, Br; Br, NO2, H, Cl; Cl, NO2, H, Br; Br, H, NO2, H; Br, H, NO2, Br; Cl, H, NO2, Cl. 4-Nitroaniline, 27.2% H2O2, 50% H2SO4 stirred 2 hr at room temperature gave 4,4′-dinitroazobenzene.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary