Category: ethers-buliding-blocks

Product Details of 56621-48-8. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Itraconazole Side Chain Analogues: Structure-Activity Relationship Studies for Inhibition of Endothelial Cell Proliferation, Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) Glycosylation, and Hedgehog Signaling. Author is Shi, Wei; Nacev, Benjamin A.; Aftab, Blake T.; Head, Sarah; Rudin, Charles M.; Liu, Jun O..

Itraconazole is an antifungal drug that was recently found to possess potent antiangiogenic activity and anti-hedgehog (Hh) pathway activity. To search for analogs of itraconazole with greater potency and to understand the structure-activity relationship in both antiangiogenic and Hh targeting activity, 25 itraconazole side chain analogs were synthesized and assayed for inhibition of endothelial cell proliferation and Gli1 transcription in a medulloblastoma (MB) culture. Through this anal., we have identified analogs with increased potency for inhibiting endothelial cell proliferation and the Hh pathway, as well as VEGFR2 glycosylation that was recently found to be inhibited by itraconazole. An SAR anal. of these activities revealed that potent activity of the analogs against VEGFR2 glycosylation was generally driven by side chains of at least four carbons in composition with branching at the α or β position. SAR trends for targeting the Hh pathway were divergent from those related to HUVEC proliferation or VEGFR2 glycosylation. These results also suggest that modification of the sec-Bu side chain can lead to enhancement of the biol. activity of itraconazole.

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Chen, Peng-Jen; Taylor, Michelle; Griffin, Suzy A.; Amani, Armaghan; Hayatshahi, Hamed; Korzekwa, Kenneth; Ye, Min; Mach, Robert H.; Liu, Jin; Luedtke, Robert R.; Gordon, John C.; Blass, Benjamin E. published the article 《Design, synthesis, and evaluation of N-(4-(4-phenyl piperazin-1-yl)butyl)-4-(thiophen-3-yl)benzamides as selective dopamine D3 receptor ligands》. Keywords: dopamine receptor G protein coupled receptor drug addiction; D(2); D(3); Dopamine receptor; Drug addiction; G-protein coupled receptor (GPCR).They researched the compound: 4-(Piperazin-1-yl)phenol( cas:56621-48-8 ).Synthetic Route of C10H14N2O. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:56621-48-8) here.

As part of our on-going effort to explore the role of dopamine receptors in drug addiction and identify potential novel therapies for this condition, we have a identified a series of N-(4-(4-Ph piperazin-1-yl)butyl)-4-(thiophen-3-yl)benzamide D3 ligands. Members of this class are highly selective for D3 vs. D2, and we have identified two compounds (13g and 13r) whose rat in vivo IV pharmacokinetic properties that indicate that they are suitable for assessment in in vivo efficacy models of substance use disorders.

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In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Simultaneous high-performance liquid chromatographic analysis of omeprazole and its sulfone and sulfide metabolites in human plasma and urine, published in 1983-12-09, which mentions a compound: 73590-85-9, Name is 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole, Molecular C17H19N3O2S, Reference of 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole.

Omeprazole  [73590-58-6], a substituted benzimidazole which suppresses gastric acid secretion, and its sulfone [88546-55-8] and sulfide [73590-85-9] metabolites were simultaneously measured in human plasma and urine using a selective, reversed-phase, high-performance liquid chromatog. method with a sensitivity of 5 ng/mL for omeprazole, 30 ng/mL for omeprazole sulfone, and 50 ng/mL for omeprazole sulfide. The coefficients of variation for within-day assays were 4.4, 7.5, and 17.5%, resp. In a pilot pharmacokinetic study, 40 mg of omeprazole (encapsulated enteric-coated granules) were administered to 2 healthy volunteers. Peak plasma concentrations for omeprazole of 240 and 520 ng/mL, and for omeprazole sulfone of 320 and 400 ng/mL, were reached between 3 and 4 post-dose. Omeprazole concentrations fell rapidly with apparent half-lives of about 40 min, and concentrations of both omeprazole and the sulfone metabolite were below the minimal detectable level by 6-8 h. Omeprazole sulfide could not be detected in this study.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called SuFEx-enabled, chemoselective synthesis of triflates, triflamides and triflimidates, published in 2022, which mentions a compound: 56621-48-8, mainly applied to aryltriflate preparation; aryltriflamide preparation; aryltriflimidate preparation; aryl amide preparation, Recommanded Product: 4-(Piperazin-1-yl)phenol.

The ex-situ generation of trifluoromethanesulfonyl fluoride (CF3SO2F) gas in a two chamber system, and its use as a new SuFEx handle to efficiently synthesize triflates and triflamides were reported. This broadly tolerated protocol lends itself to peptide modification or to telescoping into coupling reactions. Moreover, redesigning the SVI-F connector with a S=O → S=NR replacement furnished the analogous triflimidoyl fluorides as SuFEx electrophiles, which were engaged in the synthesis of rarely reported triflimidate esters. Notably, experiments showed H2O to be the key towards achieving chemoselective trifluoromethanesulfonation of phenols vs. amine groups, a phenomenon best explained-using ab initio metadynamics simulations-by a hydrogen bonded termol. transition state for the CF3SO2F triflylation of amines.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Babiak, Peter; Kyslikova, Eva; Stepanek, Vaclav; Valesova, Renata; Palyzova, Andrea; Maresova, Helena; Hajicek, Josef; Kyslik, Pavel researched the compound: 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole( cas:73590-85-9 ).Recommanded Product: 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole.They published the article 《Whole-cell oxidation of omeprazole sulfide to enantiopure esomeprazole with Lysinibacillus sp. B71》 about this compound( cas:73590-85-9 ) in Bioresource Technology. Keywords: Lysinibacillus omeprazole sulfide oxidation enantiomer. We’ll tell you more about this compound (cas:73590-85-9).

Production of enantiopure esomeprazole by biocatalysis is of great demand by pharmaceutical industry. A Gram-pos. bacterium oxidizing omeprazole sulfide (5-methoxy-2-[((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)thio]-1H-benzoimidazole) to (S)-sulfoxide esomeprazole (S)-5-methoxy-2-[(4-methoxy-3,5-dimethylpyridin-2-yl) methylsulfinyl]-3H-benzoimidazole was isolated from soil polluted with elemental sulfur. The strain exhibited the highest identity with the genus Lysinibacillus and catalyzed oxidation of 1a into enantiopure esomeprazole with conversion of 77% in a stirred bioreactor, fed-batch culture. No consecutive oxidation of (S)-sulfoxide to sulfone was observed during whole-cell catalysis. The unique characteristics of the catalyst provide a solid basis for further improvement and development of sustainable green bioprocess.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 4-(Piperazin-1-yl)phenol( cas:56621-48-8 ) is researched.COA of Formula: C10H14N2O.Al-Soud, Yaseen A.; Alhelal, Kafa’ A. S.; Saeed, Bahjat A.; Abu-Qatouseh, Luay; Al-Suod, Hossam H.; Al-Ahmad, Ala’a H.; Al-Masoudi, Najim A.; Al-Qawasmehe, Raed A. published the article 《Synthesis, anticancer activity and molecular docking studies of new 4-nitroimidazole derivatives》 about this compound( cas:56621-48-8 ) in ARKIVOC (Gainesville, FL, United States). Keywords: nitroimidazolylsulfanyl phenylpiperazinyl propanone preparation antitumor mol docking. Let’s learn more about this compound (cas:56621-48-8).

Herein, we report the synthesis of 3-(1-benzyl-2-ethyl-4-nitro-1H-imidazol-5-ylsulfanyl)-1-(4-substituted phenyl-piperazin-1-yl)-propan-1-one I [R = H, 2-F, 4-Cl, etc.] by reaction of 3-(1-benzyl-2-methyl-4-nitro-1H-imidazol-5-ylsulfanyl)-propanoyl chloride (3) with piperazine nucleophiles. Eighteen compounds were assessed for their antiproliferative inhibition potency against four human cancer cell lines (MCF-7, PC3, MDA MB231 and Du145). Compounds I [R = 2-Me, 2-OH]were the most potent anticancer agents on MCF-7 cell lines cell line with IC50 value of 1.0μg/mL, while I [R = 2-CN, 4-Cl] exhibited cytotoxic effect on PC3 and DU145 cell lines with IC50 values of 4.0 and 5.0μg/mL, resp. The mol. docking of compounds I [R = 2-Me, 2-CN, 4-Cl] was studied.

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Ether – Wikipedia,
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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 73590-85-9, is researched, SMILESS is CC1=CN=C(CSC2=NC3=CC(OC)=CC=C3N2)C(C)=C1OC, Molecular C17H19N3O2SJournal, International Journal of ChemTech Research called Development and validation of a precise single HPLC method for determination of omeprazole and its related compound in pharmaceutical formulation, Author is Trivedi, Harshal K.; Patel, Mukesh C., the main research direction is omeprazole determination impurity reversed phase HPLC.Reference of 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole.

A simple reversed-phase high performance liquid chromatog. was developed and employed for the determination of omeprazole and its related substances in bulk material and com. dosage forms. A gradient elution of filtered sample was performed on Zorbax XDB C8 (150 × 4.6), 5μ column with Glacine buffer (pH-8.8) as a mobile phase-A, Acetonitrile : Methanol (83:17) as a mobile phase-B and UV detection at 302 nm. Mobile phase was delivered at flow of 1.2 mL/min and at maintaining the column temperature at 25°C, quantification was achieved with reference to the external standards The active ingredient – omeprazole was successfully separated from its all related substances, including process impurities and other possible impurities of oxidation and decomposition The excipients did not interfere with the determination of omeprazole and its related compound in com. dosage formulations. The method was rapid, simple, accurate and reproducible. It was not only successfully employed for the assay of omeprazole in bulk material and pharmaceutical dosage forms but also for the determination of its related substances. A statistical design of experiments was used for the robustness evaluation of HPLC anal. method. All results were acceptable and confirmed that the method is suitable for its intended use.

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Ether – Wikipedia,
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Li, Bing-Yu; Voets, Lauren; Van Lommel, Ruben; Hoppenbrouwers, Fien; Alonso, Mercedes; Verhelst, Steven H. L.; De Borggraeve, Wim M.; Demaerel, Joachim published the article 《SuFEx-enabled, chemoselective synthesis of triflates, triflamides and triflimidates》. Keywords: triflate triflamide triflimidate synthesis click reaction.They researched the compound: 4-(Piperazin-1-yl)phenol( cas:56621-48-8 ).Quality Control of 4-(Piperazin-1-yl)phenol. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:56621-48-8) here.

Sulfur(VI) Fluoride Exchange (SuFEx) chem. has emerged as a next-generation click reaction, designed to assemble functional mols. quickly and modularly. Here, we report the ex situ generation of trifluoromethanesulfonyl fluoride (CF3SO2F) gas in a two chamber system, and its use as a new SuFEx handle to efficiently synthesize triflates and triflamides. This broadly tolerated protocol lends itself to peptide modification or to telescoping into coupling reactions. Moreover, redesigning the SVI-F connector with a S=O → S=NR replacement, furnished the analogous triflimidoyl fluorides as SuFEx electrophiles, which were engaged in the synthesis of rarely reported triflimidate esters. Notably, experiments showed H2O to be the key towards achieving chemoselective trifluoromethanesulfonation of phenols vs. amine groups, a phenomenon best explained-using ab initio metadynamics simulations-by a hydrogen bonded termol. transition state for the CF3SO2F triflylation of amines.

Here is a brief introduction to this compound(56621-48-8)Quality Control of 4-(Piperazin-1-yl)phenol, if you want to know about other compounds related to this compound(56621-48-8), you can read my other articles.

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Ether – Wikipedia,
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Application of 73590-85-9. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole, is researched, Molecular C17H19N3O2S, CAS is 73590-85-9, about Improved procedure for quantitation of omeprazole and metabolites using reversed-phase high-performance liquid chromatography. Author is Amantea, Michael A.; Narang, Prem K..

An HPLC procedure for the determination of omeprazole and its sulfone and sulfide metabolites in human plasma was developed by using a C8 reversed-phase column with a mobile phase of MeOH-MeCN-0.025M phosphate buffer (40:8:52) adjusted to pH 7.4 with 85% H3PO4 and detection at 302 nm. The level of detection was 5, 10, and 7.5 ng/mL for omeprazole, its sulfone, and the sulfide, resp. and the intraday variability ranged 2.6-10.3 and 2.0-3.5% at 10 and 125 ng/mL, resp. The recoveries were 96, 42, and 96% for omeprazole, the sulfone, and the sulfide, resp.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 56621-48-8, is researched, SMILESS is OC1=CC=C(N2CCNCC2)C=C1, Molecular C10H14N2OJournal, Article, Research Support, Non-U.S. Gov’t, Bioorganic & Medicinal Chemistry called Discovery of a new potent inhibitor of mushroom tyrosinase (Agaricus bisporus) containing 4-(4-hydroxyphenyl)piperazin-1-yl moiety, Author is De Luca, Laura; Germano, Maria Paola; Fais, Antonella; Pintus, Francesca; Buemi, Maria Rosa; Vittorio, Serena; Mirabile, Salvatore; Rapisarda, Antonio; Gitto, Rosaria, the main research direction is hydroxyphenyl piperazinyl derivative preparation mushroom tyrosinase inhibitor antioxidant; Agaricus Bisporus; Docking studies; Hela cells; Phenylpiperazines; Tyrosinase inhibitors.Application of 56621-48-8.

Tyrosinase (TYR, EC 1.14.18.1) plays a pivotal role in mammalian melanogenesis and enzymic browning of plant-derived food. Therefore, tyrosinase inhibitors (TYRIs) can be of interest in cosmetics and pharmaceutical industries as depigmentation compounds as well as anti-browning agents. Starting from 4-benzylpiperidine derivatives that showed good inhibitory properties toward tyrosinase from Agaricus bisporus (TyM), we synthesized a new series of TYRIs named 3-(4-benzyl-1-piperidyl)-1-(4-phenylpiperazin-1-yl)propan-1-one and 2-(4-benzyl-1-piperidyl)-1-(4-phenylpiperazin-1-yl)ethanone derivatives Among them, compound 4b proved to be the most potent inhibitor (IC50 = 3.80μM) and it also showed a good antioxidant activity. These new data furnished addnl. information about the SAR for this class of TYRIs.

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