Tag: 200-300

Goodarzi, Hassan; Asghari, Alireza; Amani, Ameneh; Rajabi, Maryam; Nematollahi, Davood; Khazalpour, Sadegh published an article in 2018, the title of the article was Electrochemical Synthesis of a New Derivative of 1,4-Dihydroxybenzene: Embedded Nucleophile in the Structure of Electrophile.Name: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone And the article contains the following content:

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. The experimental process involved the reaction of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone(cas: 67914-60-7).Name: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone

The Article related to electrosynthesis derivative dihydroxybenzene embedded nucleophile structure electrophile, Electrochemistry: Nonindustrial Electrochemical Syntheses and Preparations and other aspects.Name: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

On January 15, 2011, Nematollahi, Davood; Amani, Amene published an article.Recommanded Product: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone The title of the article was Electrochemical synthesis of the new substituted phenylpiperazines. And the article contained the following:

Electrochem. oxidation of 1-(4-(4-hydroxyphenyl)piperazin-1-yl)ethanone (1) has been studied in the presence of arylsulfinic acids (3a-c) as nucleophiles in aqueous solutions using cyclic voltammetry and controlled-potential coulometry methods. The results revealed that quinone-imine derived from oxidation of 1 participates in Michael type addition reaction with arylsulfinic acids and via an EC mechanism converts to the corresponding new phenylpiperazine derivatives The present work has led to the development of a facile and environmentally friendly reagent-less electrochem. method for synthesis of some new phenylpiperazine derivatives in aqueous solutions with high atom economy and safe waste under ambient conditions and in an undivided cell using a carbon electrode. The experimental process involved the reaction of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone(cas: 67914-60-7).Recommanded Product: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone

The Article related to phenylpiperazine derivative electrooxidation electrosynthesis arylsulfinic acid, Electrochemistry: Nonindustrial Electrochemical Syntheses and Preparations and other aspects.Recommanded Product: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

On November 20, 2014, Nematollahi, Davood; Momeni, Shima; Khazalpour, Sadegh published an article.Formula: C12H16N2O2 The title of the article was Different strategies in electrochemical synthesis of new mono and di-substituted hydroquinone and benzoquinone. And the article contained the following:

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. The experimental process involved the reaction of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone(cas: 67914-60-7).Formula: C12H16N2O2

The Article related to strategy electrochem synthesis mono di hydroquinone benzoquinone derivative, Electrochemistry: Nonindustrial Electrochemical Syntheses and Preparations and other aspects.Formula: C12H16N2O2

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

Amani, Amene; Nematollahi, Davood published an article in 2012, the title of the article was Electrochemical synthesis of new coumarin derivatives of potential biological significance.SDS of cas: 67914-60-7 And the article contains the following content:

Electrochem. synthesis of some new coumarin derivatives was carried out via the electrochem. oxidation of 1-(4-(4-hydroxyphenyl)piperazin-1-yl)ethanone (1) in the presence of 4-hydroxycoumarin and 4-hydroxy-6-methylcoumarin (2a,b). Electrogenerated p-quinone imine, participated in Michael type reaction with 2a,b and after hydrolysis reaction is converted to the corresponding coumarin derivatives This method provides a 1-pot procedure for the synthesis of new coumarin derivatives of potential biol. significance. The experimental process involved the reaction of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone(cas: 67914-60-7).SDS of cas: 67914-60-7

The Article related to electrochem synthesis coumarin derivative biol application, Electrochemistry: Nonindustrial Electrochemical Syntheses and Preparations and other aspects.SDS of cas: 67914-60-7

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

On July 15, 2018, Moustakim, Moses; Riedel, Kerstin; Schuller, Marion; Gehring, Andre P.; Monteiro, Octovia P.; Martin, Sarah P.; Fedorov, Oleg; Heer, Jag; Dixon, Darren J.; Elkins, Jonathan M.; Knapp, Stefan; Bracher, Franz; Brennan, Paul E. published an article.Computed Properties of 59695-29-3 The title of the article was Discovery of a novel allosteric inhibitor scaffold for polyadenosine-diphosphate-ribose polymerase 14 (PARP14) macrodomain 2. And the article contained the following:

The polyadenosine-diphosphate-ribose polymerase 14 (PARP14) has been implicated in DNA damage response pathways for homologous recombination. PARP14 contains three (ADP ribose binding) macrodomains (MD) whose exact contribution to overall PARP14 function in pathol. remains unclear. A medium throughput screen led to the identification of N-(2(-9H-carbazol-1-yl)phenyl)acetamide (GeA-69, 1) as a novel allosteric PARP14 MD2 (second MD of PARP14) inhibitor. We herein report medicinal chem. around this novel chemotype to afford a sub-micromolar PARP14 MD2 inhibitor. This chem. series provides a novel starting point for further development of PARP14 chem. probes. The experimental process involved the reaction of 3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride(cas: 59695-29-3).Computed Properties of 59695-29-3

The Article related to carbazole scaffold preparation allosteric inhibitor parp14 macrodomain md2, inhibitor design, macrodomain, parp, poly-adp ribsose, Enzymes: Substrates-Cofactors-Inhibitors-Activators-Coenzymes-Products and other aspects.Computed Properties of 59695-29-3

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

On December 7, 2010, Bachovchin, Daniel A.; Ji, Tianyang; Li, Weiwei; Simon, Gabriel M.; Blankman, Jacqueline L.; Adibekian, Alexander; Hoover, Heather; Niessen, Sherry; Cravatt, Benjamin F. published an article.Recommanded Product: 67914-60-7 The title of the article was Superfamily-wide portrait of serine hydrolase inhibition achieved by library-versus-library screening. And the article contained the following:

Serine hydrolases (SHs) are-one of the largest and most diverse enzyme classes in mammals. They play fundamental roles in virtually all physiol. processes and are targeted by drugs to treat diseases such as diabetes, obesity, and neurodegenerative disorders. Despite this, we lack biol. understanding for most of the 110+ predicted mammalian metabolic SHs, in large part because of a dearth of assays to assess their biochem. activities and a lack of selective inhibitors to probe their function in living systems. We show here that the vast majority (>80%) of mammalian metabolic SHs can be labeled in proteomes by a single, active site-directed fluorophosphonate probe. We exploit this universal activity-based assay in a library-vs.-library format to screen 70+ SHs against 140+ structurally diverse carbamates. Lead inhibitors were discovered for ∼40% of the screened enzymes, including many poorly characterized SHs: Global profiles identified carbamate inhibitors that discriminate among highly sequence-related SHs and, conversely, enzymes that share inhibitor sensitivity profiles despite lacking sequence homol. These findings indicate that sequence relatedness is not a strong predictor of shared pharmaol. within the SH superfamily. Finally, we show that lead carbamate inhibitors can be optimized into pharmacol. probes that inactivate individual SHs with high specificity in vivo. The experimental process involved the reaction of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone(cas: 67914-60-7).Recommanded Product: 67914-60-7

The Article related to serine hydrolase carbamate library screening, Enzymes: Substrates-Cofactors-Inhibitors-Activators-Coenzymes-Products and other aspects.Recommanded Product: 67914-60-7

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

On October 24, 2013, McLure, Kevin G.; Young, Peter R. published a patent.HPLC of Formula: 890092-19-0 The title of the patent was Preparation of quinazolin-4(3H)-one derivatives and for the treatment of diseases by epigenetic regulation. And the patent contained the following:

The present disclosure provides non-naturally occurring polyphenol compounds that inhibit the bromodomain and extra terminal domain (BET) proteins. Title compounds I [Q and V independently = CH or N; Ra1 and Ra3 independently = H, alkyl,alkoxy, halogen, amino, amide, hydroxy, heterocycle, or cycloalkyl; Rb2 and Rb6independently = H; Rb3 and Rb5 independently = H, halogen, alkyl, alkoxy, cycloalkyl,hydroxy, or amino; W = C or N; Z = O, S, S(O), SO2; R3, R4, and R5 independently = H, alkyl,alkenyl, alkynyl, alkoxy, cycloalkyl, aryl, aryloxy, etc.], and their stereoisomers, tautomers, pharmaceutically acceptable salts, or hydrates, are prepared and disclosed. Thus, e.g., II was prepared by reaction of 5,7-dimethoxy-2-[4-(piperazin-1-yl)phenyl]quinazolin-4(3H)-one with 2-bromoethanol. Compounds of the invention showed tetra-acetylated histone H4 binding individual BET bromodomains and had an IC50 value less than 50 渭M. The disclosed compositions and methods can be used for treatment and prevention of diseases or disorders that are susceptible to administration of a BET inhibitor. The experimental process involved the reaction of 4-(4-Acetylpiperazin-1-yl)benzaldehyde(cas: 890092-19-0).HPLC of Formula: 890092-19-0

The Article related to preparation epigenetic regulation bet protein, Heterocyclic Compounds (More Than One Hetero Atom): Pyrimidines and Quinazolines and other aspects.HPLC of Formula: 890092-19-0

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

On November 28, 2013, Mclure, Kevin G.; Young, Peter Ronald published a patent.Quality Control of 4-(4-Acetylpiperazin-1-yl)benzaldehyde The title of the patent was Preparation of quinazolin-4(3H)-one derivatives and for the treatment of diseases by epigenetic regulation. And the patent contained the following:

The present disclosure provides non-naturally occurring polyphenol compounds that inhibit the bromodomain and extra terminal domain (BET) proteins. Title compounds I [Q and V independently = CH or N; Ra1 and Ra3 independently = H, alkyl,alkoxy, halogen, amino, amide, hydroxy, heterocycle, or cycloalkyl; Rb2 and Rb6independently = H; Rb3 and Rb5 independently = H, halogen, alkyl, alkoxy, cycloalkyl,hydroxy, or amino; W = C or N; Z = O, S, S(O), SO2; R3, R4, and R5 independently = H, alkyl,alkenyl, alkynyl, alkoxy, cycloalkyl, aryl, aryloxy, etc.], and their stereoisomers, tautomers, pharmaceutically acceptable salts, or hydrates, are prepared and disclosed. Thus, e.g., II was prepared by reaction of 5,7-dimethoxy-2-[4-(piperazin-1-yl)phenyl]quinazolin-4(3H)-one with 2-bromoethanol. Compounds of the invention showed tetra-acetylated histone H4 binding individual BET bromodomains and had an IC50 value less than 50 渭M. The disclosed compositions and methods can be used for treatment and prevention of diseases or disorders that are susceptible to administration of a BET inhibitor. The experimental process involved the reaction of 4-(4-Acetylpiperazin-1-yl)benzaldehyde(cas: 890092-19-0).Quality Control of 4-(4-Acetylpiperazin-1-yl)benzaldehyde

The Article related to preparation epigenetic regulation bet protein, Heterocyclic Compounds (More Than One Hetero Atom): Pyrimidines and Quinazolines and other aspects.Quality Control of 4-(4-Acetylpiperazin-1-yl)benzaldehyde

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

Mrachkovskaya, L. B.; Turchin, K. F.; Yakhontov, L. N. published an article in 1975, the title of the article was Reduction fragmentation of 4-methyl-1-piperazinylmethylidenemalonate.Quality Control of 3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride And the article contains the following content:

Di-Et 4-methyl-1-piperazinylmethylidenemalonate (I), prepared in 83.5% yield from 1-methylpiperazine (II) and EtOCH:C(CO2Et)2, was reductively cleaved by NaBH4 in absolute EtOH at 20-5掳 to give 65% of a mixture of II and methylmalonic acid (III). Analogous reduction in dioxane gave 11% II-III and in cyclohexane 5% II-III were obtained. Similar results were obtained by catalytic reduction with Pt. The experimental process involved the reaction of 3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride(cas: 59695-29-3).Quality Control of 3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride

The Article related to reduction cleavage piperazinylmethylenemalonic acid, pyruvoyl hydrazone reaction hydrazide, triazole acetyl anilino, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazines and Quinoxalines and other aspects.Quality Control of 3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

Mrachkovskaya, L. B.; Anisimova, O. S.; Turchin, K. F.; Yakhontov, L. N. published an article in 1976, the title of the article was Formation of the bis(N-methylpiperazide) of monothiooxalic acid from 3-(N-methylpiperazinyl)propionic acid under conditions of the Zelinsky reaction.Formula: C8H18Cl2N2O2 And the article contains the following content:

The title compound I was obtained from piperazinepropionic acid (II) by boiling 2 hr with SOCl2, 2 hr with Br-CHCl3, and 5 hr with EtOH. The experimental process involved the reaction of 3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride(cas: 59695-29-3).Formula: C8H18Cl2N2O2

The Article related to piperazine thiooxalylbismethyl, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazines and Quinoxalines and other aspects.Formula: C8H18Cl2N2O2

Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics