Tag: M.W=100-200

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 4-(Piperazin-1-yl)phenol(SMILESS: OC1=CC=C(N2CCNCC2)C=C1,cas:56621-48-8) is researched.Quality Control of Trimethylphosphineoxide. The article 《Synthesis and pharmacological evaluation of new 1-[3-(4-arylpiperazin-1-yl)-2-hydroxypropyl]-pyrrolidin-2-one derivatives with anti-arrhythmic, hypotensive, and α-adrenolytic activity》 in relation to this compound, is published in Archiv der Pharmazie (Weinheim, Germany). Let’s take a look at the latest research on this compound (cas:56621-48-8).

A series of novel arylpiperazines bearing a pyrrolidin-2-one fragment was synthesized and evaluated for the binding affinity of the α1- and α2-adrenoceptors (AR) and for the antiarrhythmic and hypotensive activities of the compounds The most potent and selective compound 1-[2-hydroxy-3-[4-[(2-hydroxyphenyl)piperazin-1-yl]propyl]pyrrolidin-2-one 8 binds with pKi = 6.71 for α1-AR. Derivative 8 (I) was also the most active in the prophylactic antiarrhythmic test in adrenaline-induced arrhythmia in anesthetized rats. Its ED50 value equals 1.9 mg/kg (i.v.). Compounds with substituents such as a fluorine atom 4, a Me 5, or a hydroxyl 8 group, or two substituents such as fluorine/chlorine atoms and methoxy groups in the Ph ring, significantly decreased the systolic and diastolic pressure in normotensive anesthetized rats at a dosages of 5-10 mg/kg (i.v.). It was found that the presence of the piperazine ring and a hydroxy group in the second position of the Pr chain are critical structural features in determining the affinity of the compounds tested.

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Ether – Wikipedia,
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Application In Synthesis of 4-(Piperazin-1-yl)phenol. 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 Studies on the Human Metabolism and the Toxicologic Detection of the Cough Suppressant Dropropizine in Urine Using Gas Chromatography-Mass Spectrometry. Author is Staack, Roland F.; Theobald, Denis S.; Maurer, Hans H..

Studies are described on the metabolism and the toxicol. anal. of the nonopioid cough suppressant dropropizine [R,S-3-(4-phenyl-1-piperazinyl)1,2-propandiol, DRO] in human urine using gas chromatog.-mass spectrometry (GC-MS). The metabolism studies showed that DRO was metabolized in humans mainly by hydroxylation of the aromatic ring, by N-dealkylation of the parent drug and of the hydroxyl-metabolite to the corresponding N-phenylpiperazines, and by degradation of the piperazine moiety. The authors’ systematic toxicol. anal. (STA) procedure using full-scan GC-MS after acid hydrolysis, liquid-liquid extraction, and microwave-assisted acetylation allowed the unambiguous detection of DRO and its above-mentioned metabolites in human urine up to about 32 h after intake of a single common therapeutic dose. The target analytes were found to be the parent compound DRO (earlier phase of excretion) and the hydroxylated metabolite para-hydroxy-DRO (later phase of excretion). Both allowed unambiguous detection of an intake of DRO and also differentiation from other phenylpiperazine derivatives

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Ether – Wikipedia,
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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 56621-48-8, is researched, Molecular C10H14N2O, about Electrochemical Synthesis of a New Derivative of 1,4-Dihydroxybenzene: Embedded Nucleophile in the Structure of Electrophile, the main research direction is electrosynthesis derivative dihydroxybenzene embedded nucleophile structure electrophile.COA of Formula: C10H14N2O.

The electrochem. oxidation of 4-(Piperazin-1-yl)phenols (1a,b) was studied in the H2O, MeCN and nitromethan by cyclic voltammetry and controlled-potential coulometry. P-quinone-imines generated of oxidation 4-(Piperazin-1-yl)phenols after the hydrolysis reaction participate in Michael-addition reactions with released piperazine of hydrolysis reaction of p-quinone imines. The present work led to the development of a facile and environmentally friendly electrochem. method for the synthesis of a new derivative of 1,4-dihydroxybenzene under green conditions. The effect of H2O as a solute on the electrochem. response of 4-(Piperazin-1-yl)phenols (1a,b) was examined in the MeCN (AN) and nitromethane (NM) solvent.

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Ether – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov’t, Journal of Medicinal Chemistry called 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., which mentions a compound: 56621-48-8, SMILESS is OC1=CC=C(N2CCNCC2)C=C1, Molecular C10H14N2O, Application In Synthesis of 4-(Piperazin-1-yl)phenol.

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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Ether – Wikipedia,
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Recommanded Product: 56621-48-8. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Repurposing the Clinically Efficacious Antifungal Agent Itraconazole as an Anticancer Chemotherapeutic. Author is Pace, Jennifer R.; DeBerardinis, Albert M.; Sail, Vibhavari; Tacheva-Grigorova, Silvia K.; Chan, Kelly A.; Tran, Raymond; Raccuia, Daniel S.; Wechsler-Reya, Robert J.; Hadden, M. Kyle.

Itraconazole (ITZ) is an FDA-approved member of the triazole class of antifungal agents. Two recent drug repurposing screens identified ITZ as a promising anticancer chemotherapeutic that inhibits both the angiogenesis and hedgehog (Hh) signaling pathways. We have synthesized and evaluated first- and second-generation ITZ analogs for their anti-Hh and antiangiogenic activities to probe more fully the structural requirements for these anticancer properties. Our overall results suggest that the triazole functionality is required for ITZ-mediated inhibition of angiogenesis but that it is not essential for inhibition of Hh signaling. The synthesis and evaluation of stereochem. defined des-triazole ITZ analogs also provides key information as to the optimal configuration around the dioxolane ring of the ITZ scaffold. Finally, the results from our studies suggest that two distinct cellular mechanisms of action govern the anticancer properties of the ITZ scaffold.

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Ether – Wikipedia,
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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 Domino Reaction of Arylglyoxals with Pyrazol-5-amines: Selective Access to Pyrazolo-Fused 1,7-Naphthyridines, 1,3-Diazocanes, and Pyrroles, published in 2014-06-06, which mentions a compound: 118430-78-7, mainly applied to domino heterocyclization arylglyoxal pyrazolamine pyrazolo naphthyridine diazocane pyrrole, HPLC of Formula: 118430-78-7.

New multicomponent domino reactions of arylglyoxals with pyrazol-5-amines have been established, providing selective access to unprecedented pyrazolo-fused 1,7-naphthyridines, 1,3-diazocanes, and pyrroles (up to 52 examples). The unreported dipyrazolo-fused 1,7-naphthyridines were regioselectively synthesized through a special double [3 + 2 + 1] heteroannulation accompanied by direct C-C formation between two electrophilic sites of arylglyoxals [e.g., PhCOCH(OH)2 + 1,3-dimethyl-5-pyrazolamine in presence of TsOH → I (70%)]. The unusual [3 + 3 + 1 + 1] cyclization resulted in 20 examples of novel dipyrazolo-fused 1,3-diazocanes [e.g., PhCOCH(OH)2 + 1-methyl-3-phenyl-5-pyrazolamine in presence of TsOH → II (71%)], whereas pyrrolo[2,3-c]pyrazoles were obtained in good yields by varying arylglyoxals and pyrazol-5-amines in the ratio 1:2 [e.g., PhCOCH(OH)2 + 1-phenyl-3-methyl-5-pyrazolamine in presence of TsOH → III (78%)]. Mechanisms of formation of these three new types of heterocycles are also proposed.

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Ether – Wikipedia,
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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 A novel class of ethacrynic acid derivatives as promising drug-like potent generation of anticancer agents with established mechanism of action, published in 2016-10-21, which mentions a compound: 56621-48-8, mainly applied to ethacrynate derivative preparation antitumor antiproliferative structure activity glutathione transferase; Anticancer agents; Ethacrynic acid; Ethacrynic acid derivatives; Glutathione S-Transferase π, Recommanded Product: 4-(Piperazin-1-yl)phenol.

The well-known diuretic Ethacrynic acid (EA, Edecrin), showing low anti-proliferative activities, was chem. modified at different positions. The new EA derivatives have been tested in vitro in anti-proliferative assays on both tumor KB (epidermal carcinoma) and leukemia HL60 (promyelocytic) cells suitable targets for anticancer activity. Reduction of the α-β double bond of EA completely abolished anti-cancer activities, whereas introduction of either 2-(4-substituted phenyl)ethanamine (series A) or 4-(4-substituted phenyl)piperazine (series B) moieties generated compounds showing moderate to strong anti-proliferative activities against human cancer cell lines. Several substitutions on the Ph of these two moieties are tolerated. The mechanism of action of the EA derivatives prepared in this study is more complex than the inhibition of glutathione S-transferase π ascribed as unique effect to EA and might help to overcome tumor resistances.

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Ether – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Labelled Compounds and Radiopharmaceuticals called Synthesis of novel WAY 100635 derivatives containing a norbornene group and radiofluorination of [18F]AH1.MZ as a serotonin 5-HT1A receptor antagonist for molecular imaging, Author is Herth, Matthias M.; Kramer, Vasko; Roesch, Frank, which mentions a compound: 56621-48-8, SMILESS is OC1=CC=C(N2CCNCC2)C=C1, Molecular C10H14N2O, Product Details of 56621-48-8.

5-HT1A receptors are involved in a variety of psychiatric disorders and in vivo mol. imaging of the 5-HT1A status represents an important approach to analyze and treat these disorders. We report herein the synthesis of three new fluoroethylated 5-HT1A ligands (AH1.MZ, AH2.MZ and AH3.MZ) as arylpiperazine derivatives containing a norbornene group. AH1.MZ (Ki = 4.2 nM) and AH2.MZ (Ki = 30 nM) showed reasonable in vitro affinities to the 5-HT1A receptor, whereas AH3.MZ appeared to be non-affine toward the 5-HT1A receptor. The receptor profile of AH1.MZ and AH2.MZ showed selectivity within the 5-HT system. 18F-labeling via [18F]FETos to [18F]AH1.MZ was carried out in radiochem. yields of > 70%. The final formulation of injectable solutions including [18F]FETos synthon synthesis, radiosynthesis and semipreparative high-performance liquid chromatog. (HPLC) separation took no longer than 130 min and provided [18F]AH1.MZ with a purity of >98% as indicated by anal. HPLC analyses.

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Reference of 4-(Piperazin-1-yl)phenol. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Novel N,S- and S,S-substituted dienes synthesized from mercapto triazole and some amine derivatives. Author is Ibis, Cemil; Aydinli, Goeksin.

2-Nitro diene Cl2C:CClC(NO2):CCl2 reacted with 3-mercapto-1,2,4-triazole (I) and cyclohexanethiol to yield the resp. dithioacetals Cl2C:CClC(NO2):C(SR)R1 (II; R = 1,2,4-triazol-3-yl, cyclohexyl; R1 = SR). Dithioacetals II (R = 1,2,4-triazol-3-yl; R1 = octylthio, decylthio, hexdecylthio, cyclohexylthio) were obtained by reactions of appropriate vinyl sulfides with I. Novel N,S-substituted dienes were obtained by treatment of II [R = decyl, R1 = Cl (III)] with piperazines. Compound III was reacted with N-(2-aminoethyl)morpholine to give the corresponding N,S-substituted diene. Compound III gave a new N-butadienylhomopiperazine on reaction with homopiperazine in CH2Cl2. Compound II (R = cyclohexyl, R1 = cyclohexylthio) was characterized by single-crystal x-ray diffraction [monoclinic, space group P21/n, a 12.0862(12), b 11.1625(8), c 16.337(1) Å, β 110.840(4)°, V 2059.9(3) Å3, Z 4].

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Category: ethers-buliding-blocks. 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. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Different nematic phases and a switchable SmCP phase formed by homologues of a new class of asymmetric bent-core mesogens.

Ten homologues of a class of asym. bent-shaped liquid crystal compounds were synthesized by reaction of 4-(4-alkyloxy-benzoyloxy)benzoyl chlorides with N-(4-hydroxyphenyl)piperazine. The mesophase structure and transitions of the compounds were studied by polarizing microscopy, x-ray diffraction, dielec. and electro-optical measurements. The long-chain members of the series C8-C16 exhibit the switchable polar antiferroelec. smectic phase ( SmCP). The short-chain members, C4-C8, form a nematic phase. The homologues C5 and C6 show a transition from nematic to a low-temperature phase which is indicated by a sharp peak in the DSC trace. Whereas the texture of the phase points to a nematic-smectic transition, the x-ray studies definitely prove a structure without any long range (or quasi long range) positional order in the low-temperature phase. A mol. model is described which exhibits structural features similar to those of a nematic phase, which can be regarded as the precursor of the following columnar phase (B1 phase).

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem