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Journal articles on the topic 'Derived piperazine'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Kmoníček, Vojtěch, Martin Valchář, and Zdeněk Polívka. "Some 4-Substituted 1-(3-Pyridylmethyl)piperazines with Antihistamine Activity." Collection of Czechoslovak Chemical Communications 59, no. 10 (1994): 2343–50. http://dx.doi.org/10.1135/cccc19942343.

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Several compounds derived from nicotinic acid were prepared within a more extensive programme aiming at the synthesis of new substances with expected antihistamine and antidepressant activity. Some of these compounds display certain structural resemblance with the antidepressant agent piberaline (EGYT 475, Trelibet®, I) and its analogues. The products were used as intermediates for the synthesis of further compounds and most of them were subjected to pharmacological testing. Substituted nicotinic acid piperazides IIa - IId and IVa - IVe were obtained by reactions of nicotinoyl chloride (prepar

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2

Wierschem, Frank, and Karola Rück-Braun. "Introduction of Substituents on the 2-Oxo-piperazine Skeleton by [3+2] Cycloaddition and Subsequent Transformation." Zeitschrift für Naturforschung B 61, no. 4 (2006): 431–36. http://dx.doi.org/10.1515/znb-2006-0410.

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The 3,4-substituted 2-oxo-piperazines 5 - 9 are obtained by [3+2] cycloaddition from nitrone 1 and a variety of alkenes. Subsequent functionalization of the bicyclic adducts involves reductive N-O bond cleavage. A route towards libraries of immobilized 1,3-aminoalcohols with a 3,4-substituted 2-oxo-piperazine scaffold is briefly discussed for adducts derived from N-substituted maleic imides

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3

Katritzky, Alan R., Wei-Qiang Fan, Maria Szajda, Qiao-Ling Li, and Kenneth C. Caster. "Conjugated systems derived from piperazine-2,5-dione." Journal of Heterocyclic Chemistry 25, no. 2 (1988): 591–97. http://dx.doi.org/10.1002/jhet.5570250243.

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4

Abadleh, Mohammed M., Mustafa M. El-Abadelah, Salim S. Sabri, Hanan H. Mohammed, Malek A. Zihlif, and Wolfgang Voelter. "Synthesis and Antitumor Activity of Some N2-(Thien-3-yl)amidrazones." Zeitschrift für Naturforschung B 69, no. 7 (2014): 811–16. http://dx.doi.org/10.5560/znb.2014-4062.

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6aA set of new N2-(thien-3-yl)amidrazones (-h) incorporating N-piperazines and related congeners has been synthesized by reacting the hydrazonoyl chloride 4(derived from 3-aminothiophene- 2-carboxylate) with the appropriate sec-cyclic amine. The antitumor activity of these compounds was evaluated on breast cancer (MCF-7) and leukemic (K562) cell lines by a cell viability assay utilizing the tetrazolium dye (MTT). The amidrazone 6d encompassing the N-piperazine moiety, was the most active against MCF-7 and K562 with IC50 of 7.28 and 9:91 μM, respectively.

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5

Asiri, Abdullah. "New Conjugated Systems Derived from Piperazine-2,5-dione." Molecules 5, no. 12 (2000): 629–36. http://dx.doi.org/10.3390/50300629.

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6

Al-Asiri, Abdullah. "new Conjugated Systems Derived from Piperazine-2,5-dione." Journal of King Abdulaziz University-Science 12, no. 1 (2000): 77–83. http://dx.doi.org/10.4197/sci.12-1.7.

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7

Ghadermazi, Mohammad, Jafar Attar Gharamaleki, Marilyn M. Olmstead, and Mehdi Almasi. "Structures of CoIIand ZnIIcomplexes of the proton-transfer compound derived from pyrazine-2,3-dicarboxylic acid and piperazine." Acta Crystallographica Section C Structural Chemistry 71, no. 7 (2015): 539–44. http://dx.doi.org/10.1107/s2053229615010761.

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The reaction of the proton-transfer compound piperazine-1,4-diium pyrazine-2,3-dicarboxylate 4.5-hydrate, C4H12N22+·C6H2N2O42−·4.5H2O or (pipzH2)(pyzdc)·4.5H2O (pyzdcH2is pyrazine-2,3-dicarboxylic acid and pipz is piperazine), (I), with Zn(NO3)2·6H2O and CoCl2·6H2O results in the formation of bis(piperazine-1,4-diium) bis(μ-pyrazine-2,3-dicarboxylato)-κ3N1,O2:O3;κ3O3:N1,O2-bis[aqua(pyrazine-2,3-dicarboxylato-κ2N1,O2)zinc(II)] decahydrate, (C4H12N2)2[Zn2(C6H2N2O4)4(H2O)2]·10H2O or (pipzH2)2[Zn(pyzdc)2(H2O)]2·10H2O, (II), andcatena-poly[piperazine-1,4-diium [cobalt(II)-bis(μ-pyrazine-2,3-dicarbo

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8

Stucchi, Mattia, Silvia Cairati, Rengul Cetin-Atalay, et al. "Application of the Ugi reaction with multiple amino acid-derived components: synthesis and conformational evaluation of piperazine-based minimalist peptidomimetics." Organic & Biomolecular Chemistry 13, no. 17 (2015): 4993–5005. http://dx.doi.org/10.1039/c5ob00218d.

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9

Gu, Jiangnan, Shangxian Yu, Shunji Jin, and Yalin Wei. "A NEW TYPE PHOTOPOLYMER DERIVED FROM PIPERAZINE AND DIEPOXY COMPOUNDS." Journal of Photopolymer Science and Technology 1, no. 2 (1988): 212–19. http://dx.doi.org/10.2494/photopolymer.1.212.

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10

Sweidan, Kamal, Hiba Zalloum, Dima A. Sabbah, Ghada Idris, Khadija Abudosh, and Mohammad S. Mubarak. "Synthesis, characterization, and anticancer evaluation of some new N1-(anthraquinon-2-yl) amidrazone derivatives." Canadian Journal of Chemistry 96, no. 12 (2018): 1123–28. http://dx.doi.org/10.1139/cjc-2018-0145.

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A new series of novel N1-anthraquinon-2-yl amidrazones incorporating N-piperazines and related congeners were synthesized via reaction of the hydrazonoyl chloride derived from 2-qaminoanthraquinone with the appropriate piperazine (secondary amine). Structures of the new compounds were confirmed by a panel of spectroscopic methods including IR, NMR, and MS and by elemental analysis. The antitumor activity of the newly prepared compounds was evaluated in vitro against MCF-7 breast cancer, K562 chronic myelogenous leukemia, and dermal fibroblasts cell lines by means of a cell viability assay usin

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11

Berezuk, Márcio E., Rafael B. Samulewski, Nakédia M. F. Carvalho, Andrea Paesano Jr., Pedro A. Arroyo, and Lúcio Cardozo-Filho. "Mononuclear iron(III) piperazine-derived complexes and application in the oxidation of cyclohexane." Kataliz v promyshlennosti 21, no. 3 (2021): 183. http://dx.doi.org/10.18412/1816-0387-2021-3-183.

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Oxygenated products from selective hydrocarbon oxidation have high commercial value as industrial feedstocks. One of the most important industrial processes is the cyclohexane oxidation to produce cyclohexanol and cyclohexanone. These organic substances have special importance in the Nylon manufacture as well as building blocks for a variety of commercially useful products. In this work we present the synthesis and characterization of a new mononuclear piperazine-derived series of iron(III) complexes and their catalytic activity towards cyclohexane oxidation essays. All complexes present octah

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12

Mazzotta, Sarah, José Antonio Marrugal-Lorenzo, Margarita Vega-Holm, et al. "Optimization of piperazine-derived ureas privileged structures for effective antiadenovirus agents." European Journal of Medicinal Chemistry 185 (January 2020): 111840. http://dx.doi.org/10.1016/j.ejmech.2019.111840.

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13

Chinh, Pham The, Pham Thi Tham, Duong Huong Quynh, et al. "Synthesis and Cytotoxic Activity of Several Novel N-Alkyl-Plinabulin Derivatives With Aryl Group Moieties." Natural Product Communications 16, no. 4 (2021): 1934578X2110100. http://dx.doi.org/10.1177/1934578x211010040.

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Seven novel N-alkyl-plinabulin derivatives with aryl groups moieties (nitroquinoline, 1,4-dihydroquinoline, 4-methoxybenzene, and 4-chlorobenzene) have been synthesized via aldol condensation and alkylation in one-pot, and tested for their cytotoxicity against 4 cancer cell lines (KB, HepG2, Lu, and MCF7). Compounds ( Z)−3-((6,8-dimethyl-4-oxo-1,4-dihydroquinolin-2-yl)methylene)−6-(( Z)−4-methoxybenzylidene)−1-(prop-2-yn-1-yl)piperazine-2,5-dione (5a), ( Z)−6-(( Z)−4-methoxybenzylidene)−1-(prop-2-yn-1-yl)−3-((1,6,8-trimethyl-4-oxo-1,4-dihydroquinolin-2-yl)methylene)piperazine-2,5-dione (5b), a

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14

Xu, Xiuli, Jiahui Han, Rui Lin, Steven Polyak, and Fuhang Song. "Two New Piperazine-Triones from a Marine-Derived Streptomycetes sp. Strain SMS636." Marine Drugs 17, no. 3 (2019): 186. http://dx.doi.org/10.3390/md17030186.

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Two new piperazine-triones lansai E and F (1, 2), together with four known secondary metabolites lansai D (3), 1-N-methyl-(E,Z)-albonoursin (4), imidazo[4,5-e]-1,2,4-triazine (5), and streptonigrin (6) were isolated from a deep-sea-derived Streptomycetes sp. strain SMS636. The structures of the isolated compounds were confirmed by comprehensive spectroscopic analysis, including HRESIMS, 1D and 2D NMR. Compound 4 exhibited moderate antibacterial activities against Staphylococcus aureus and methicillin resistant S. aureus (MRSA) with Minimum Inhibitory Concentration (MIC) values of 12.5 and 25 μ

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15

O’Neil, Ian A., Andrew J. Potter, J. Mike Southern, Alexander Steiner, and James V. Barkley. "Conformationally defined piperazine bis(N-oxides) bearing amino acid derived side chains." Chemical Communications, no. 22 (1998): 2511–12. http://dx.doi.org/10.1039/a806901h.

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16

Al-Masoudi, Najim A., Basil Salih, and Yaseen A. Al-Soud. "Quantitative Structure-Activity Relationship (QSAR) on New Benzothiazoles Derived Substituted Piperazine Derivatives." Journal of Computational and Theoretical Nanoscience 8, no. 10 (2011): 1945–49. http://dx.doi.org/10.1166/jctn.2011.1906.

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17

Hawes, Chris S., Keith F. White, Brendan F. Abrahams, et al. "Structural chemistry and selective CO2uptake of a piperazine-derived porous coordination polymer." CrystEngComm 17, no. 10 (2015): 2196–203. http://dx.doi.org/10.1039/c4ce02547d.

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18

González, Asensio, Svetlana L. Vorob́eva, and Ana Linares. "Synthesis and structural study of piperazine-2,5-diones derived from (R)-cysteine." Tetrahedron: Asymmetry 6, no. 6 (1995): 1357–66. http://dx.doi.org/10.1016/0957-4166(95)00168-o.

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19

Kahlon, Gulbag, Rogelio Lira, Nikolay Masvlov, et al. "Structure guided development of potent piperazine-derived hydroxamic acid inhibitors targeting falcilysin." Bioorganic & Medicinal Chemistry Letters 32 (January 2021): 127683. http://dx.doi.org/10.1016/j.bmcl.2020.127683.

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20

Berezuk, Márcio E., Andrea Paesano Jr., Nakédia M. F. Carvalho, Adolfo Horn Jr., Pedro A. Arroyo, and Lúcio Cardozo-Filho. "Synthesis and characterization of Fe(III)-piperazine-derived complexes encapsulated in zeolite Y." Química Nova 35, no. 5 (2012): 876–82. http://dx.doi.org/10.1590/s0100-40422012000500003.

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21

Alexopoulos, Kostas, Panagiotis Fatseas, Efi Melissari, et al. "Design and synthesis of thrombin receptor-derived nonpeptide mimetics utilizing a piperazine scaffold." Bioorganic & Medicinal Chemistry 7, no. 6 (1999): 1033–41. http://dx.doi.org/10.1016/s0968-0896(99)00017-6.

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22

Chen, Xuming, Hua Zhong, Lanqin Jia, et al. "Polyamides derived from piperazine and used for hot-melt adhesives: synthesis and properties." International Journal of Adhesion and Adhesives 22, no. 1 (2002): 75–79. http://dx.doi.org/10.1016/s0143-7496(01)00039-2.

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23

Hawes, Chris S., Sophie E. Hamilton, Jamie Hicks, et al. "Coordination Chemistry and Structural Dynamics of a Long and Flexible Piperazine-Derived Ligand." Inorganic Chemistry 55, no. 13 (2016): 6692–702. http://dx.doi.org/10.1021/acs.inorgchem.6b00933.

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24

Lazny, Ryszard, and Michal Michalak. "Application of Piperazine-Derived Hydrazone Linkers for Alkylation of Solid-Phase Immobilized Ketones." Synlett 2002, no. 11 (2002): 1931–34. http://dx.doi.org/10.1055/s-2002-34879.

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25

Shafa-Amry, Nashwa N., Fawwaz I. Khalili, Kais A. K. Ebraheem, and Mohammad S. Mubarak. "Synthesis and chelation properties of Mannich polymers derived from piperazine and some hydroxy benzaldoximes." Reactive and Functional Polymers 66, no. 7 (2006): 789–94. http://dx.doi.org/10.1016/j.reactfunctpolym.2005.11.009.

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26

Chutayothin, Papinporn, and Hatsuo Ishida. "Polymerization of p-cresol, formaldehyde, and piperazine and structure of monofunctional benzoxazine-derived oligomers." Polymer 52, no. 18 (2011): 3897–904. http://dx.doi.org/10.1016/j.polymer.2011.07.006.

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27

Husain, Ahmad, Shahab A. A. Nami, and K. S. Siddiqi. "Interaction of organotin with piperazine derived self-assembled cylindrical bisdithiocarbamates: Spectral and thermal investigations." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 73, no. 1 (2009): 89–95. http://dx.doi.org/10.1016/j.saa.2009.01.033.

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28

Avendano, Carmen, and Elena la Cuesta. "Synthetic Chemistry with N-Acyliminium Ions Derived from Piperazine-2,5-Diones and Related Compounds." Current Organic Synthesis 6, no. 2 (2009): 143–68. http://dx.doi.org/10.2174/157017909788167310.

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29

O'Neil, Ian A., Andrew J. Potter, J. Mike Southern, Alexander Steiner, and James V. Barkley. "ChemInform Abstract: Conformationally Defined Piperazine Bis(N-oxides) Bearing Amino Acid Derived Side Chains." ChemInform 30, no. 10 (2010): no. http://dx.doi.org/10.1002/chin.199910159.

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30

GONZALEZ, A., S. L. VOROB'EVA, and A. LINARES. "ChemInform Abstract: Synthesis and Structural Study of Piperazine-2,5-diones Derived from ( R)-Cysteine." ChemInform 26, no. 43 (2010): no. http://dx.doi.org/10.1002/chin.199543235.

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31

Williams, D. Bradley G., and Adam Cullen. "Al(OTf)3-Mediated Epoxide Ring-Opening Reactions: Toward Piperazine-Derived Physiologically Active Products." Journal of Organic Chemistry 74, no. 24 (2009): 9509–12. http://dx.doi.org/10.1021/jo9020437.

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32

Soai, Kenso, Hiroshi Hayashi, Akihiro Shinozaki, Hideaki Umebayashi, and Yasuyuki Yamada. "Asymmetric Synthesis Using Chiral Piperazine. I. Asymmetric Synthesis of 2-Substituted Alcohol and Carboxylic Acid by Diastereoselective Alkylation of Chiral Diamides Derived from Piperazines." Bulletin of the Chemical Society of Japan 60, no. 9 (1987): 3450–52. http://dx.doi.org/10.1246/bcsj.60.3450.

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33

Makki, Mohammed Saleh I. T., Reda M. Abdel-Rahman, Hassan M. Faidallah, and Khalid A. Khan. "Synthesis of New Fluorine Substituted Heterocyclic Nitrogen Systems Derived fromp-Aminosalicylic Acid as Antimycobacterial Agents." Journal of Chemistry 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/819462.

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Some new fluorine substituted heterocyclic nitrogen systems2–17have been synthesized from ring closure reactions of substitutedp-amino salicylic acids (PAS). The Schiffs base of PAS was cyclized with chloroacetyl chloride and mercaptoacetic acid to give azetidinone2, thiazolidinone3, and spiro-fluoroindolothiazoline-dione10. However, PAS when reacted directly with 4-fluorobenzoyl chloride and 5-oxazolinone yielded derivatives4,5, and7. Aminomethylation of PAS using formaldehyde and piperidine or piperazine formed N-alkyl and N,N′-dialkyl derivatives (11and12respectively) upon fluorinated benzo

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34

Marcuccio, SM, and JA Elix. "Pyrazine Chemistry. V. Synthesis of Methylanhydropicroroccellin and Dimethylpicroroccellin." Australian Journal of Chemistry 38, no. 12 (1985): 1785. http://dx.doi.org/10.1071/ch9851785.

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The structure of the lichen diketopiperazine, picroroccellin, has been studied by the synthesis of several of its degradation products. The three possible formulations of methylanhydropicroroccellin (3), (4) and (5) were synthesized and from the physical and chemical properties, the former two compounds were shown to be dissimilar from the naturally derived material. Furthermore, the reactivity of the 3- methoxypiperazine-2,5-dione (5) entirely paralleled that reported for picroroccellin and was consistent with the oxygen functions being located at the 3- and 6-positions of the piperazine-2,5-

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35

Kaur, Manpreet, Jerry P. Jasinski, Hemmige S. Yathirajan, Channappa N. Kavitha, and Christopher Glidewell. "The crystal structures of three clozapinium salts: different molecular configurations, and supramolecular assembly in one, two and three dimensions." Acta Crystallographica Section E Crystallographic Communications 71, no. 4 (2015): 406–13. http://dx.doi.org/10.1107/s205698901500554x.

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The structures of three salts derived from clozapine, 8-chloro-11-(4-methylpiperazin-1-yl)-5H-dibenzo[b,e][1,4]diazepine, are reported, namely, clozapinium 3,5-dinitrobenzoate dimethyl sulfoxide monosolvate, C18H20ClN4+·C7H3N2O6−·C2H6OS, (I), where the dimethyl sulfoxide component is disordered over two sets of atomic sites having occupancies 0.627 (2) and 0.373 (2); clozapinium hydrogen maleate 0.21-hydrate, C18H20ClN4+·C4H3O4−·0.21H2O, (II), and clozapinium 2-hydroxybenzoate, C18H20ClN4+·C7H5O3−, (III). In all three salts, the protonation site is the methylated N atom of the piperazine ring,

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36

Peng, Hairuo, Li Sha, He Xi Chang, et al. "First Synthesis of Piperazine-derived [1,2,4]Triazolo[1,5-a]pyrazine as an Adenosine A2A Receptor Antagonist." HETEROCYCLES 65, no. 10 (2005): 2321. http://dx.doi.org/10.3987/com-05-10493.

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37

Wu, Xiang-Mei, and Wen Pei. "Piperazine-derived palladium complexes immobilised on a Merrifield resin as a catalyst for the Heck reaction." Journal of Chemical Research 2008, no. 1 (2008): 6–8. http://dx.doi.org/10.3184/030823408x283720.

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38

Avendano, Carmen, and Elena de la Cuesta. "ChemInform Abstract: Synthetic Chemistry with N-Acyliminium Ions Derived from Piperazine-2,5-diones and Related Compounds." ChemInform 45, no. 32 (2014): no. http://dx.doi.org/10.1002/chin.201432238.

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39

Abu-Hashem, Ameen Ali, Sami A. Al-Hussain, and Magdi E. A. Zaki. "Synthesis of Novel Benzodifuranyl; 1,3,5-Triazines; 1,3,5-Oxadiazepines; and Thiazolopyrimidines Derived from Visnaginone and Khellinone as Anti-Inflammatory and Analgesic Agents." Molecules 25, no. 1 (2020): 220. http://dx.doi.org/10.3390/molecules25010220.

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Novel (4-methoxy or 4,8-dimethoxy)-3-methyl-N-(6-oxo-2-thioxo-1,2,3, 6-tetrahydro- pyrimidin-4-yl) benzo [1,2-b: 5, 4-b’] difuran-2-carboxamide (5a–b) has been synthesized by the reaction of visnagenone–ethylacetate (2a) or khellinone–ethylacetate (2b) with 6-aminothiouracil in dimethylformamide or refluxing of benzofuran-oxy-N-(2-thioxopyrimidine) acetamide (4a–b) in sodium ethoxide to give the same products (5a,b) in good yields. Thus, compounds 5a–b are used as an initiative to prepare many new heterocyclic compounds such as 2-(4-(3-methylbenzodifuran- 2-carbox-amido) pyrimidine) acetic aci

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40

Popova, Dina, Andréas N. P. Forsblad, and Stig O. P. Jacobsson. "In vitro studies on the neurotoxic effects of piperazine-derived designer drugs and 3,4-methylenedioxymethamphetamine (MDMA, “ecstasy”)." Toxicology Letters 221 (August 2013): S151. http://dx.doi.org/10.1016/j.toxlet.2013.05.310.

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41

Piplani, Poonam, and Chhanda Charan Danta. "Design and synthesis of newer potential 4-(N-acetylamino)phenol derived piperazine derivatives as potential cognition enhancers." Bioorganic Chemistry 60 (June 2015): 64–73. http://dx.doi.org/10.1016/j.bioorg.2015.04.004.

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42

Kadam, Pravin G., and S. T. Mhaske. "Synthesis and properties of polyamide derived from piperazine and lower purity dimer acid as hot melt adhesive." International Journal of Adhesion and Adhesives 31, no. 7 (2011): 735–42. http://dx.doi.org/10.1016/j.ijadhadh.2011.06.019.

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43

Bikshapathi, Raktani, Parvathaneni Sai Prathima, Bomma Yashwanth, et al. "An expeditious protocol for synthesis of Baylis–Hillman derived piperazine derivatives and evaluation of their AChE inhibition." Research on Chemical Intermediates 44, no. 1 (2017): 553–65. http://dx.doi.org/10.1007/s11164-017-3119-9.

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44

Berger, Richard, Cheng Zhu, Alexa R. Hansen, et al. "2-Substituted piperazine-derived imidazole carboxamides as potent and selective CCK1R agonists for the treatment of obesity." Bioorganic & Medicinal Chemistry Letters 18, no. 17 (2008): 4833–37. http://dx.doi.org/10.1016/j.bmcl.2008.07.083.

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45

Palomo, Claudio, Iñaki Ganboa, Carmen Cuevas, Carlos Boschetti та Anthony Linden. "A concise synthesis of piperazine-2-carboxylic acids via β-lactam-derived α-amino acid N-carboxy anhydrides". Tetrahedron Letters 38, № 26 (1997): 4643–46. http://dx.doi.org/10.1016/s0040-4039(97)00956-8.

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46

Lorca, Valdes, Chung, Romero-Parra, Pessoa-Mahana, and Mella. "Three-Dimensional Quantitative Structure-Activity Relationships (3D-QSAR) on a Series of Piperazine-Carboxamides Fatty Acid Amide Hydrolase (FAAH) Inhibitors as a Useful Tool for the Design of New Cannabinoid Ligands." International Journal of Molecular Sciences 20, no. 10 (2019): 2510. http://dx.doi.org/10.3390/ijms20102510.

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Fatty Acid Amide Hydrolase (FAAH) is one of the main enzymes responsible for endocannabinoid metabolism. Inhibition of FAAH increases endogenous levels of fatty acid ethanolamides such as anandamide (AEA) and thus consitutes an indirect strategy that can be used to modulate endocannabinoid tone. In the present work, we present a three-dimensional quantitative structure-activity relationships/comparative molecular similarity indices analysis (3D-QSAR/CoMSIA) study on a series of 90 reported irreversible inhibitors of FAAH sharing a piperazine-carboxamide scaffold. The model obtained was extensi

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47

Staack, Roland F., and Hans H. Maurer. "Piperazine-Derived Designer Drug 1-(3-Chlorophenyl)piperazine (mCPP): GC-MS Studies on its Metabolism and its Toxicological Detection in Rat Urine Including Analytical Differentiation from its Precursor Drugs Trazodone and Nefazodone*." Journal of Analytical Toxicology 27, no. 8 (2003): 560–68. http://dx.doi.org/10.1093/jat/27.8.560.

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48

Salga, Muhammad Saleh, Hapipah Mohd Ali, Mahmood Ameen Abdulla, and Siddig Ibrahim Abdelwahab. "Acute Oral Toxicity Evaluations of Some Zinc(II) Complexes Derived from 1-(2-Salicylaldiminoethyl)piperazine Schiff Bases in Rats." International Journal of Molecular Sciences 13, no. 2 (2012): 1393–404. http://dx.doi.org/10.3390/ijms13021393.

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Moreira, Lorrane Kelle da Silva, Adriane Ferreira de Brito, Dayane Moreira da Silva, et al. "Potential antidepressant-like effect of piperazine derivative LQFM212 in mice: Role of monoaminergic pathway and brain-derived neurotrophic factor." Behavioural Brain Research 401 (March 2021): 113066. http://dx.doi.org/10.1016/j.bbr.2020.113066.

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Dittrich, Torsten, Nils Hanekop, Nacera Infed, Lutz Schmitt, and Manfred Braun. "Synthesis of 5-oxyquinoline derivatives for reversal of multidrug resistance." Beilstein Journal of Organic Chemistry 8 (October 5, 2012): 1700–1704. http://dx.doi.org/10.3762/bjoc.8.193.

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Abstract:

The inhibition of ABC (ATP binding cassette) transporters is considered a powerful tool to reverse multidrug resistance. Zosuquidar featuring a difluorocyclopropyl-annulated dibenzosuberyl moiety has been found to be an inhibitor of the P-glycoprotein, one of the best-studied multidrug efflux pumps. Twelve 5-oxyisoquinoline derivatives, which are analogues of zosuquidar wherein the dibenzosuberyl-piperazine moiety is replaced by either a diarylaminopiperidine or a piperidone-derived acetal or thioacetal group, have been synthesized as pure enantiomers. Their inhibitory power has been evaluated

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