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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Synthesis and characterization of 3-substituted indole derivatives as novel Mannich bases, the main research direction is piperazinyl methyl indole preparation; indole piperazine formalin Mannich microwave irradiation.Name: 4-(Piperazin-1-yl)phenol.

In this study, indole-based 4-substituted piperazine derivatives I [R = Me, 4-BrC6H4, 4-HOC6H4, 4-F3C6H4, etc.] were synthesized via Mannich reaction with microwave assisted synthesis and the conventional reflux heating method. Microwave assisted synthesis was more preferable than reflux method since the microwave irradiation lead to a higher product yields with better purity and improved energy efficiency with shortened reaction time. The structures of 3-substituted indole derivatives I were characterized by FT-IR, elemental anal., 1H NMR and 13C NMR spectroscopy.

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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.Recommanded Product: 56621-48-8.Kulig, Katarzyna; Sapa, Jacek; Maciag, Dorota; Filipek, Barbara; Malawska, Barbara published 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》 about this compound( cas:56621-48-8 ) in Archiv der Pharmazie (Weinheim, Germany). Keywords: piperazine pyrrolidinone preparation antiarrhythmic hypotensive adrenolytic SAR. Let’s learn more about 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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Recommanded Product: 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 Design, synthesis, and structure-activity relationship studies of novel pleuromutilin derivatives having a piperazine ring. Author is Luo, Jian; Yang, Qiu-E.; Yang, Yuan-Yuan; Tang, You-Zhi; Liu, Ya-Hong.

A series of novel pleuromutilin derivatives I (R = 2-MeOC6H4, 3-MeOC6H4, 4-MeOC6H4, 2-MeC6H4, 3-MeC6H4, 4-MeC6H4, 2-HOC6H4, 3-HOC6H4, 4-HOC6H4, 2-NO2C6H4, 3-NO2C6H4, 4-NO2C6H4, 2-ClC6H4, 3-ClC6H4, 4-ClC6H4, Ph, Me), possessing piperazine moieties were synthesized under mild conditions. The in vitro antibacterial activities of these derivatives against Staphylococcus aureus and Escherichia coli were tested by the agar dilution method. Structure-activity relationship studies resulted in compounds 11b (R = 3-MeOC6H4), 13b (R = 3-HOC6H4), and 14a (R = 2-NO2C6H4) with the most potent in vitro antibacterial activity among the series (minimal inhibitory concentration of 0.0625-0.125 μg/mL). The binding of compounds 11b, 13b, and 14a to the E. coli ribosome was investigated by mol. modeling, and it was found that there is a reasonable correlation between the binding free energy and the antibacterial activity.

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Recommanded Product: 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 Divergent Pathways for Reactions of 3-Formylchromone with Cyclic Secondary Amines in Alcoholic Media.

Reaction of 3-formylchromone with cyclic secondary amines in methanol results in (E)-chromanones I [X = CH, R = Ph; X = O, R = none; X = N, R = 4-MeC6H4, 2,6-Me2C6H3, 2-MeOC6H4, etc.] and II, while use of ethanol leads to (E)-bis(morpholino)chromanone III or enaminoketones as dihydropyran ring-opening products. The solubility of the formed products in alc. media is postulated to be a key factor that determines the reaction pathway.

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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 Structure-Activity Relationships for Itraconazole-Based Triazolone Analogues as Hedgehog Pathway Inhibitors, Author is Pace, Jennifer R.; Teske, Kelly A.; Chau, Lianne Q.; Dash, Radha Charan; Zaino, Angela M.; Wechsler-Reya, Robert J.; Hadden, M. Kyle, which mentions a compound: 56621-48-8, SMILESS is OC1=CC=C(N2CCNCC2)C=C1, Molecular C10H14N2O, Name: 4-(Piperazin-1-yl)phenol.

The Food and Drug Administration-approved antifungal agent, itraconazole (ITZ), has been increasingly studied for its novel biol. properties. In particular, ITZ inhibits the hedgehog (Hh) signaling pathway and has the potential to serve as an anticancer chemotherapeutic against several Hh-dependent malignancies. We have extended our studies on ITZ analogs as Hh pathway inhibitors through the design, synthesis, and evaluation of novel des-triazole ITZ analogs that incorporate modifications to the triazolone/side chain region of the scaffold. Our overall results suggest that the triazolone/side chain region can be replaced with various functionalities (hydrazine carboxamides and meta-substituted amides) resulting in improved potency when compared to ITZ. Our studies also indicate that the stereochem. orientation of the dioxolane ring is important for both potent Hh pathway inhibition and compound stability. Finally, our studies suggest that the ITZ scaffold can be successfully modified in terms of functionality and stereochem. to further improve its anti-Hh potency and physicochem. properties.

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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, ACS Medicinal Chemistry Letters called Affinity-Based Selectivity Profiling of an In-Class Selective Competitive Inhibitor of Acyl Protein Thioesterase 2, Author is Won, Sang Joon; Eschweiler, Joseph D.; Majmudar, Jaimeen D.; Chong, Fei San; Hwang, Sin Ye; Ruotolo, Brandon T.; Martin, Brent R., 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.

Activity-based protein profiling (ABPP) has revolutionized the discovery and optimization of active-site ligands across distinct enzyme families, providing a robust platform for in-class selectivity profiling. Nonetheless, this approach is less straightforward for profiling reversible inhibitors and does not access proteins outside the ABPP probe’s target profile. While the active-site competitive acyl protein thioesterase 2 (APT2) inhibitor ML349 (Ki = 120 nM) is highly selective within the serine hydrolase enzyme family, it could still interact with other cellular targets. Here we present a chemoproteomic workflow to enrich and profile candidate ML349-binding proteins. In human cell lysates, biotinylated-ML349 enriches a recurring set of proteins, including metabolite kinases and flavin-dependent oxidoreductases that are potentially enhanced by avidity-driven multimeric interactions. Confirmatory assays by native mass spectrometry and fluorescence polarization quickly rank-ordered weak off-targets, providing justification to explore ligand interactions and stoichiometry beyond ABPP.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Different strategies in electrochemical synthesis of new mono and di-substituted hydroquinone and benzoquinone, the main research direction is strategy electrochem synthesis mono di hydroquinone benzoquinone derivative.Related Products of 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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Recommanded Product: 4-(Piperazin-1-yl)phenol. 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 Targeting DNA Repair in Tumor Cells via Inhibition of ERCC1-XPF. Author is Elmenoufy, Ahmed H.; Gentile, Francesco; Jay, David; Karimi-Busheri, Feridoun; Yang, Xiaoyan; Soueidan, Olivier M.; Weilbeer, Claudia; Mani, Rajam S.; Barakat, Khaled H.; Tuszynski, Jack A.; Weinfeld, Michael; West, Frederick G..

The ERCC1-XPF heterodimer is a 5′-3′ structure-specific endonuclease, which plays an essential role in several DNA repair pathways in mammalian cells. ERCC1-XPF is primarily involved in the repair of chem. induced helix-distorting and bulky DNA lesions, such as cyclobutane pyrimidine dimers (CPDs), and DNA interstrand cross-links. Inhibition of ERCC1-XPF has been shown to potentiate cytotoxicity of platinum-based drugs and cyclophosphamide in cancer cells. In this study, the previously described ERCC1-XPF inhibitor 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-methylpiperazin-1-yl)methyl)phenol (compound 1) was used as a reference compound Following the outcome of docking-based virtual screening (VS), we synthesized seven novel derivatives of 1 that were identified in silico as being likely to have high binding affinity for the ERCC1-XPF heterodimerization interface by interacting with the XPF double helix-hairpin-helix (HhH2) domain. Two of the new compounds, 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-cyclohexylpiperazin-1-yl)methyl)phenol (compound 3) and 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-(2-(dimethylamino)ethyl) piperazin-1-yl) methyl) phenol (compound 4), were shown to be potent inhibitors of ERCC1-XPF activity in vitro. Compound 4 showed significant inhibition of the removal of CPDs in UV-irradiated cells and the capacity to sensitize colorectal cancer cells to UV radiation and cyclophosphamide.

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Computed Properties of C8H9N3S. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-Methyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine, is researched, Molecular C8H9N3S, CAS is 118430-78-7, about Identification of ring-fused pyrazolo pyridin-2-ones as novel poly(ADP-ribose)polymerase-1 inhibitors. Author is Moree, Wilna J.; Goldman, Phyllis; Demaggio, Anthony J.; Christenson, Erik; Herendeen, Dan; Eksterowicz, John; Kesicki, Edward A.; McElligott, David L.; Beaton, Graham.

A novel class of PARP-1 inhibitors was identified containing a non-aromatic heterocycle or carbocycle fused to a pyrazolo pyridin-2-one. Compounds displayed low nanomolar binding activity in the PARP-1 binding assay and submicromolar activity in a cell based chemosensitization assay.

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Recommanded Product: 4-(Piperazin-1-yl)phenol. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Synthesis of New N1 Arylpiperazine Substituted Xanthine Derivatives and Evaluation of their Antioxidant and Cytotoxic Effects. Author is Andonova, Lily; Valkova, Iva; Zheleva-Dimitrova, Dimitrina; Georgieva, Maya; Momekov, Georgi; Zlatkov, Alexander.

A series of new xanthine derivatives comprising an arylpiperazine I (R = Bn, 4-FC6H4, 2-MeOC6H4, etc.) moiety at N1 were synthesized. The cytotoxicity against human T-cell leukemia cell SKW-3, human acute myeloid leukemia HL-60 and human Bcell precursor leukemia cell REH is evaluated. The relationship between the structure and cytotoxicity of the compounds was investigated by quant. structure-activity relationship (QSAR) anal. and the important structural parameters were drawn. The purity of the substances is proven by corresponding m.ps. and elemental anal. The antioxidant activity has been evaluated by four common methods – DPPH, ABTS, FRAP and lipid peroxidation assay. The cytotoxic effects of the tested series were evaluated using the standard MTT-dye reduction assay on three tumor cell lines. The highest antioxidant activity was demonstrated by compound I (R = 4-HOC6H4). The highest cytotoxic effect was observed for compound I (R = bis(4-fluorophenyl)methyl). It was found that cytotoxicity against SKW-3 depends on the electron d. distribution in the structures. Branching of the mol. skeleton and introduction of heteroatoms like fluorine and sulfur in the structures also significantly improved the antiproliferative activity of the compounds

There is still a lot of research devoted to this compound(SMILES：OC1=CC=C(N2CCNCC2)C=C1)Recommanded Product: 4-(Piperazin-1-yl)phenol, and with the development of science, more effects of this compound(56621-48-8) can be discovered.

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