Category: 56621-48-8

Reference of 4-(Piperazin-1-yl)phenol. 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 gem-Bisphosphonate-Ended Group Dendrimers: Design and Gadolinium Complexing Properties.

The synthesis of the first gem-bisphosphonate-ended group dendrimers is described using nucleophilic substitution of terminal P(S)Cl2 units of phosphorus dendrimers of generation 1 to 3 with protected aminophenols followed by deprotection of amino groups and Michael addition with vinylidene tetraisopropyl bisphosphonate. These dendrimers were found to act as chelating agents towards Gd ions. Contrary to the phosphonic acids that can introduce bridges between Gd ions, these synthons act as unique chelating agents toward the Gd ions. Furthermore, it appears that the number of Gd ions introduced in the isolated units is equal to the number of gem-bisphosphonate pairs. Eventually, the magnetic measurements demonstrate clearly that the Gd ions are not coordinated to these pairs as isolated ions but that at least some of these ions are bridged through oxygen atoms that are not P=O functions, as shown by the structural determination given in the paper. Studies concerning properties of these Gd dendrimers complexes are under active study. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009).

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Safety 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 Potent, selective, and orally active adenosine A2A receptor antagonists: Arylpiperazine derivatives of pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines. Author is Neustadt, Bernard R.; Hao, Jinsong; Lindo, Neil; Greenlee, William J.; Stamford, Andrew W.; Tulshian, Deen; Ongini, Ennio; Hunter, John; Monopoli, Angela; Bertorelli, Rosalia; Foster, Carolyn; Arik, Leyla; Lachowicz, Jean; Ng, Kwokei; Feng, Kung-I..

Antagonism of the adenosine A2A receptor offers great promise in the treatment of Parkinson’s disease. Employing the known pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidine A2A antagonist SCH 58261 as a starting point, we identified the potent and selective (vs. A1) antagonist 11h (I), orally active in the rat haloperidol-induced catalepsy model. We further optimized this lead to the methoxyethoxyethyl ether 12a (SCH 420814), which shows broad selectivity, good pharmacokinetic properties, and excellent in vivo activity.

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Synthetic Route of C10H14N2O. 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 SuFEx-enabled, chemoselective synthesis of triflates, triflamides and triflimidates. Author is Li, Bing-Yu; Voets, Lauren; Van Lommel, Ruben; Hoppenbrouwers, Fien; Alonso, Mercedes; Verhelst, Steven H. L.; De Borggraeve, Wim M.; Demaerel, Joachim.

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.

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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 Different strategies in electrochemical synthesis of new mono and di-substituted hydroquinone and benzoquinone, published in 2014-11-20, which mentions a compound: 56621-48-8, Name is 4-(Piperazin-1-yl)phenol, Molecular C10H14N2O, Recommanded Product: 56621-48-8.

Electrochem. syntheses of 2-indolyl-5-arylsulfonyl-p-benzoquinone derivatives were carried out in two successive oxidation steps. The 1st involves the oxidation of hydroquinone, 4-(piperazin-1-yl)-phenol and 1-(4-(4-hydroxyphenyl)-piperazin-1-yl) ethanone in the presence of arylsulfinic acids as nucleophiles. The authors’ voltammetric data indicate that electrochem. generated p-benzoquinone participates in Michael addition reaction with arylsulfinic acids leading to the 2-(arylsulfonyl) benzene-1,4-diols. The 2nd consists of the oxidation of 2-(arylsulfonyl) benzene-1,4-diols in the presence of 1,2-dimethylindole and the formation of 2-indolyl-5-arylsulfonyl-p-benzoquinone derivatives as the final products. A plausible mechanism for the synthesis of 2-indolyl-5-arylsulfonyl-p-benzoquinone derivatives is also presented.

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Safety of 4-(Piperazin-1-yl)phenol. 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 Acaricidal properties of piperazine and its derivatives against house-dust and stored-food mites. Author is Lee, Chi-Hoon; Kim, Hyung-Wook; Lee, Hoi-Seon.

Piperazine derivatives possess pharmacol. properties, yet the acaricidal activity of these compounds has not been investigated. This study was conducted to evaluate the color alteration and acaricidal activity of piperazine derivatives against Dermatophagoides spp. and Tyrophagus putrescentiae using filter paper and fumigant methods. In a fumigant bioassay, 1-phenylpiperazine (7.83 μg/cm2) against D. farinae was found to be 4.7-fold more toxic than DEET (36.84 μg/cm2), followed by benzyl benzoate (9.72 μg/cm2), piperazine (11.41 μg/cm2), 1-ethoxycarbonylpiperazine (20.14 μg/cm2), and 1-(2-methoxyphenyl)piperazine (22.14 μg/cm2). In a filter paper bioassay, 1-(2-methoxyphenyl)piperazine (3.65 μg/cm2) was 5.7-fold more toxic than DEET (20.64 μg/cm2), followed by 1-ethoxycarbonylpiperazine (4.02 μg/cm2), 1-phenylpiperazine (4.75 μg/cm2), benzyl benzoate (7.83 μg/cm2), and piperazine (10.59 μg/cm2). Similar results have been exhibited with piperazine derivatives against D. pteronyssinus. However, no activity against T. putrescentiae was observed for piperazine derivatives, except for piperazine. These results indicate that piperazine derivatives may be suitable as vapor-phase acaricide fumigants owing to their high volatility, acaricidal activity and safety. 1-Phenylpiperazine was found to be an excellent mite indicator based on the color change it induced. Taken together, these findings indicate that piperazine derivatives may be used to replace existing problematical acaricides owing to their activity and ability to act as a mite indicator.

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Ether – Wikipedia,
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Application of 56621-48-8. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Synthesis of cycloalkylcarbamoyl substituted ketoconazole derivatives as antifungal agents. Author is Ryu, Seong-Ryuall.

In an effort to prepare new antifungal agents, two new title derivatives I (R = cyclopropyl, cyclohexyl) were synthesized by the reaction of substituted piperazine II with N-cycloalkylcarbamoyl derivatives ClCH2CONHR.

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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 Discovery of small molecules that inhibit melanogenesis via regulation of tyrosinase expression, published in 2012-11-15, which mentions a compound: 56621-48-8, Name is 4-(Piperazin-1-yl)phenol, Molecular C10H14N2O, Category: ethers-buliding-blocks.

5,6,7,8-Tetrahydro-4H-cyclohepta[d]isoxazole derivatives were synthesized and evaluated as a novel class of inhibitors for α-MSH (α-MSH) induced melanogenesis in a mouse melanoma B16F10 cell line. Three of the compounds (IC50 = 0.67 μM), (IC50 = 1.01 μM) and (IC50 = 0.99 μM) exhibited a potent inhibitory activity approx. 85- to 126-fold greater than kojic acid, a well-known potent inhibitor. A biochem. study indicates that the activity of this series should be displayed via down-regulation of the expression of tyrosinase.

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Synthesis of propargylamine mycophenolate analogues and their selective cytotoxic activity towards neuroblastoma SH-SY5Y cell line.Recommanded Product: 56621-48-8.

Twenty six propargylamine mycophenolate analogs were designed and synthesized from mycophenolic acid 1 employing a key step A3-coupling reaction. Their cytotoxic activity was examined against six cancer cell lines. Four compounds exhibited selective cytotoxicity towards neuroblastoma (SH-SY5Y) cancer cells and were less toxic to normal cells in comparison to the lead compound, MPA 1 and a standard drug, ellipticine. Mol. docking results suggested that compound I is fit well in the key amino acid of three proteins (CDK9, EGFR, and VEGFR-2) as targets in cancer therapy. The propargylamine mycophenolate scaffold might be a valuable starting point for development of new neuroblastoma anticancer drugs.

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Ether – Wikipedia,
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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Electrochemical oxidation of acetaminophen and 4-(piperazin-1-yl)phenols in the presence of 4-hydroxy-1-methyl-2(1H)-quinolone.Category: ethers-buliding-blocks.

A facile and 1-pot electrochem. method for the synthesis of mono and disubstituted 1,4-benzoquinones generated from the electrochem. oxidation of 1-(4-(4-hydroxyphenyl)piperazin-1-yl)ethanone (1a), 4-(piperazin-1-yl)phenol (1b) and acetaminophen (8) in the presence of 4-hydroxy-1-methyl-2(1H)-quinolone (3) as nucleophile is reported. The electrochem. generated electrophiles derived from the oxidation of 1a, 1b and 8 participate in Michael-addition reactions with 3. The authors report the synthesis of mono and diquinolone substituted of 1,4-benzoquinone in good yields based on controlled potential condition at C electrode in a divided cell.

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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 Platinum(II) dithiocarbamate complexes [Pt(S2CNR2)Cl(PAr3)] as anticancer and DNA-damaging agents, the main research direction is platinum dithiocarbamate complex preparation anticancer DNA binding; optimized mol structure platinum dithiocarbamate complex.Computed Properties of C10H14N2O.

Following the fortunate discovery of cisplatin as an anticancer drug the search for new effective Pt-containing analogs with high potency but reduced side effects and resistance is of great importance. Herein, we report four new monofunctional platinum(II) dithiocarbamate complexes, [Pt(S2CNR2)Cl(PAr3)], and their activity against selected cancer cell lines. DFT-optimized structures reveal steric hindrance, similar to phenanthriplatin, from an axial C-H site of the triarylphosphine. High activity against selected cancer cell lines, MCF-7 > LU > Hepa-IcIc7, can be attributed to the axial protection offered by the aromatic C-H moiety, together with the lipophilicity and formation of bulkier and more hydrophobic DNA adducts. DNA binding, denaturing and plasmid cleavage studies demonstrate their potential to cleave DNA via electrostatic or covalent interactions. DFT and exptl. studies show the ability to replace chloride with different nucleophiles; substitution with smaller nucleophiles being fast while with larger nucleophiles is slow.

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