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Journal articles on the topic '4-tetrahydroacridines'

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1

Silva, Carlos F. M., Teresa Leão, Filipa Dias, et al. "Structure–Activity Relationship Studies of 9-Alkylamino-1,2,3,4-tetrahydroacridines against Leishmania (Leishmania) infantum Promastigotes." Pharmaceutics 15, no. 2 (2023): 669. http://dx.doi.org/10.3390/pharmaceutics15020669.

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Leishmaniasis is one of the most neglected diseases in modern times, mainly affecting people from developing countries of the tropics, subtropics and the Mediterranean basin, with approximately 350 million people considered at risk of developing this disease. The incidence of human leishmaniasis has increased over the past decades due to failing prevention and therapeutic measures—there are no vaccines and chemotherapy, which is problematic. Acridine derivatives constitute an interesting group of nitrogen-containing heterocyclic compounds associated with numerous bioactivities, with emphasis t
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2

Abdel-Mohsen, M. Soliman, M. Kamel Mohsen, F. Eweas Ahmad, Wietrzyk Joanna, Milczarek Magdalena, and S. Soliman Salwa. "Synthesis, Antiproliferative Activity and Molecular Docking of Some 9-Substituted 1,2,3,4-Tetrahydroacridine Derivatives against Breast Cancer Cell Line." Chemistry Research Journal 3, no. 2 (2018): 26–32. https://doi.org/10.5281/zenodo.13914532.

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Some new and known substituted 1,2,3,4-tetrahydroacridines incorporated at their position nine with various sulfa drug or thiosemicarbazide moieties were synthesized. Biologically, these compounds were investigated for their antiproliferative activity against human breast cancer (MCF-7) cell line and murine fibroblast normal cell line (BALB/3T3). The results were calculated as the IC<sub>50</sub> (inhibitory concentration 50% i.e. the concentration of tested compound which inhibits 50% of the cells population) compared with Cisplatin as control. Furthermore, a docking simulation study was carr
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3

Zhang, Weiwei, Yiwei Wang, Hui-Jing Li, et al. "Synergistic Inhibition Effect of 9-(4-Chlorophenyl)-1,2,3,4-tetrahydroacridines and Tween-80 for Mild Steel Corrosion in Acid Medium." Journal of Physical Chemistry C 123, no. 23 (2019): 14480–89. http://dx.doi.org/10.1021/acs.jpcc.9b02595.

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4

Farat, Oleg K., Victor I. Markov, Svetlana A. Varenichenko, Victor V. Dotsenko, and Alexander V. Mazepa. "The Vilsmeier–Haack formylation of 2,3-dihydro-4H-1,3-benzoxazin-4-ones and isomeric 1,2-dihydro-4H-3,1-benzoxazin-4-ones: an effective approach to functionalized 2H-/4H-chromenes and tetrahydroacridines." Tetrahedron 71, no. 34 (2015): 5554–61. http://dx.doi.org/10.1016/j.tet.2015.06.069.

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5

Farat, Oleg K., Victor I. Markov, Svetlana A. Varenichenko, Victor V. Dotsenko, and Alexander V. Mazepa. "ChemInform Abstract: The Vilsmeier-Haack Formylation of 2,3-Dihydro-4H-1,3-benzoxazin-4-ones and Isomeric 1,2-Dihydro-4H-3,1-benzoxazin-4-ones: An Effective Approach to Functionalized 2H-/4H-Chromenes and Tetrahydroacridines." ChemInform 46, no. 48 (2015): no. http://dx.doi.org/10.1002/chin.201548157.

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6

Smetanin, N. V., and A. V. Mazepa. "Functionalization of N-arylmaleimides by sp3 C–H bonds of hydroacridines(qinolines)." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 6 (December 2020): 165–70. http://dx.doi.org/10.32434/0321-4095-2020-133-6-165-170.

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The catalyst-free sp3 C–H functionalization of tetrahydroacridine(quinolines) derivatives has been achieved using a Michael-type reaction with N-arylmaleimides. This method enables the facile synthesis of biologically important N-aryl bearing tetrahydroacridine(quinolines) moieties in a single step with high yields. The reaction occurs under non-catalytic conditions by heating of hydroacridines(quinolines) in DMSO within 4 h at 100–1200C. The reaction between starting compounds allows synthesizing (3S/4R)-3-[(3R/4S)-9-chloroacridine(quinoline)-4-yl]-1(-N-aryl)pyrrolidine-2,5-diones with a good
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7

Walker, TM, B. Starr, BB Dewhurst, and C. Atterwill. "Potential neurotoxicity of a novel aminoacridine analogue." Human & Experimental Toxicology 14, no. 6 (1995): 469–74. http://dx.doi.org/10.1177/096032719501400601.

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1 A class of compounds, 9-aminoacridines, have long been known to be reversible inhibitors of acetyl cholinesterase (AChE - EC 3.1.1.7), the most familiar of which is 9-amino-1,2,3,4-tetrahydroacridine (Tacrine). 2 A novel aminoacridine was synthesised: - 2-tertiary butyl-9-amino-1,2,3,4-tetrahydroacridine (2tBuTHA). 3 In vitro comparisons of the acetylcholinesterase inhibitory potential and neurotoxicity compared to Tacrine were performed using a chemically differentiated neuroblastoma cell line (Neuro 2A). 2tBuTHA, but not Tacrine, was cytotoxic to the neural cell following 20 h exposure, de
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8

Odabaşoğlu, Mustafa, Muharrem Kaya, Orhan Büyükgüngör, and Yılmaz Yıldırır. "10-(4-Bromophenyl)-9-(4-methoxyphenyl)-3,3,6,6-tetramethyl-3,4,6,7-tetrahydroacridine-1,8(2H,5H,9H,10H)-dione." Acta Crystallographica Section E Structure Reports Online 63, no. 5 (2007): o2162—o2164. http://dx.doi.org/10.1107/s1600536807014729.

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9

Chen, Yan, Wen-Juan Hao, Zi-Qiang Tang, Bo Jiang, and Chun-Mei Li. "10-(4-Chlorophenyl)-9-(4-methoxyphenyl)-3,3,6,6-tetramethyl-3,4,6,7-tetrahydroacridine-1,8(2H,5H,9H,10H)-dione." Acta Crystallographica Section E Structure Reports Online 63, no. 10 (2007): o3934. http://dx.doi.org/10.1107/s1600536807042365.

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10

Patočka, Jiří, Daniel Jun, and Kamil Kuča. "In vitro Inactivation of Rat Brain Acetylcholinesterase by DSP-4 and Its Derivatives OS-21 and OS-23 and Protective Activity of Tacrine (9-Amino-1,2,3,4-tetrahydroacridine)." Acta Medica (Hradec Kralove, Czech Republic) 48, no. 3-4 (2005): 145–48. http://dx.doi.org/10.14712/18059694.2018.42.

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Tertiary N-haloethylamines are able to cyclize to the corresponding aziridinium ions. The inhibitory activity of the DSP-4 (N-(o-brombenzyl)-N-ethyl-2-chlorethylamine) and its two derivatives OS-21 (N-benzyl-N-ethyl-2-chloroethylamine) and OS-23 (N-fenylethyl-N-ethyl-2-chloroethylamine) was studied toward rat brain acetylcholinesterase (AChE) in vitro. The influence of the THA (tacrine; 9–amino-1,2,3,4–tetrahydroacridine) on AChE inhibition by these substances was also evaluated. The results demonstrated that all of three aziridinium compounds formed in solution caused a timeand concentration-
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11

Corrêa, Gabriela A., Susana L. H. Rebelo, and Baltazar de Castro. "Green Aromatic Epoxidation with an Iron Porphyrin Catalyst for One-Pot Functionalization of Renewable Xylene, Quinoline, and Acridine." Molecules 28, no. 9 (2023): 3940. http://dx.doi.org/10.3390/molecules28093940.

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Sustainable functionalization of renewable aromatics is a key step to supply our present needs for specialty chemicals and pursuing the transition to a circular, fossil-free economy. In the present work, three typically stable aromatic compounds, representative of products abundantly obtainable from biomass or recycling processes, were functionalized in one-pot oxidation reactions at room temperature, using H2O2 as a green oxidant and ethanol as a green solvent in the presence of a highly electron withdrawing iron porphyrin catalyst. The results show unusual initial epoxidation of the aromatic
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12

Büyükgüngör, Orhan, Muharrem Kaya, Mustafa Odabaşoğlu, and Yılmaz Yıldırır. "10-(2-Fluorophenyl)-9-(4-methoxyphenyl)-3,3,6,6-tetramethyl-3,4,6,7-tetrahydroacridine-1,8(2H,5H,9H,10H)-dione." Acta Crystallographica Section E Structure Reports Online 63, no. 5 (2007): o2275—o2277. http://dx.doi.org/10.1107/s1600536807014675.

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13

PONOMAREV, I. I., O. V. SHISHKIN, S. V. LINDEMAN, and YU A. VOLKOVA. "ChemInform Abstract: Synthesis and X-Ray Structure Investigation of 7-Chloro-9-phenyl-1,2,3, 4-tetrahydroacridine (III)." ChemInform 26, no. 12 (2010): no. http://dx.doi.org/10.1002/chin.199512193.

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14

Liu, Quande, Ziqiang Tang, and Xihua Du. "9-(1,3-Benzodioxol-5-yl)-10-(4-chlorophenyl)-3,3,6,6-tetramethyl-3,4,6,7-tetrahydroacridine-1,8(2H,5H,9H,10H)-dione." Acta Crystallographica Section E Structure Reports Online 63, no. 9 (2007): o3924. http://dx.doi.org/10.1107/s160053680704175x.

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15

Chelucci, Giorgio, and Salvatore Baldino. "Synthesis of 4-diphenylphosphanylmethyl- and 4-phenylthiomethyl-1,4-methano-11,11-dimethyl-1,2,3,4-tetrahydroacridine: new N–P and N–S camphor-derived chiral ligands for asymmetric catalysis." Tetrahedron: Asymmetry 17, no. 10 (2006): 1529–36. http://dx.doi.org/10.1016/j.tetasy.2006.05.012.

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16

Kristian, Pavol, Slávka Hamul'aková, Juraj Bernát, Ján Imrich, Gundula Voss, and Tatiana Busová. "Synthesis of Acetylcholinesterase Inhibitors on the Basis of 9-Isothiocyanato-1,2,3,4-tetrahydroacridine: 2-[(1,2,3,4-Tetrahydroacridin-9-yl)imino]-3-substituted 1,3-Thiazolidin-4-ones." HETEROCYCLES 49, no. 1 (1998): 197. http://dx.doi.org/10.3987/com-98-s16.

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17

DIERSSEN, M., F. MARMOL, N. M. VIVAS, V. M. CLOS, and A. BADIA. "EFFECT OF 9-AMINO-1, 2, 3, 4-TETRAHYDROACRIDINE ON PASSIVE AVOIDANCE RETENTION AND SS-ADRENOCEPTOR LINKED CYCLIC AMP ACCUMULATION IN MIDDLE AGED RATS." Behavioural Pharmacology 3, Supplement (1992): 83. http://dx.doi.org/10.1097/00008877-199204001-00255.

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18

Kristian, Pavol, Slavka Hamulakova, Juraj Bernat, Jan Imrich, Gundula Voss, and Tatiana Busova. "ChemInform Abstract: Synthesis of Acetylcholinesterase Inhibitors on the Basis of 9-Isothiocyanato-1,2,3,4-tetrahydroacridine: 2-[(1,2,3,4-Tetrahydroacridin-9-yl)imino] -3-substituted-1,3-thiazolidin-4-ones (VI)." ChemInform 30, no. 23 (2010): no. http://dx.doi.org/10.1002/chin.199923169.

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19

Sharutin, V., O. Sharutina, V. Zubareva, A. Russkikh, A. Kulyasov, and V. Dotsenko. "Reactions of pentaphenylantimony with 1,2,3,4-tetrahydroacridine-9-carboxylic and coumarin-3-carboxylic acids." Bulletin of the South Ural State University series "Chemistry" 16, no. 4 (2024): 44–53. https://doi.org/10.14529/chem240402.

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Pentaphenylantimony reacts with 1,2,3,4-tetrahydroacridine-9-carboxylic and coumarin-3-carboxylic acids in benzene at room temperature to form tetraphenylantimony carboxylates Ph4SbOC(O)R, R = C13H12N (1), C9H5O2 (2), the structure of which has been determined by X-ray diffraction analysis (XRD). According to the X-ray diffraction data, the antimony atoms in molecules 1 and 2 have a distorted trigonal bipyramidal coordination with three phenyl substituents in the equatorial plane, the CSbO axial angles are 175.85(7) and 177.6(6), the sum of the angles between equatorial bonds are 356.31(8)
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20

Lambert, N. A., and W. A. Wilson. "Discrimination of post- and presynaptic GABAB receptor-mediated responses by tetrahydroaminoacridine in area CA3 of the rat hippocampus." Journal of Neurophysiology 69, no. 2 (1993): 630–35. http://dx.doi.org/10.1152/jn.1993.69.2.630.

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1. The effects of the K+ channel blocker 9-amino-1,2,3,4-tetrahydroacridine (THA) on the actions of baclofen and gamma-aminobutyric acid (GABA) at post- and presynaptic GABAB receptors were studied with whole-cell voltage-clamp recording in area CA3 of rat hippocampal slices. 2. The effect of THA on postsynaptic GABAB receptor-mediated responses was studied in neurons perfused internally with potassium gluconate and guanosine triphosphate (GTP). At a holding potential of -70 mV, the GABAB receptor agonist (+/-)-baclofen (30 microM) induced an outward current and increased membrane conductance.
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21

Shirisha, Thangellapally, Subir Majhi, and Dhurke Kashinath. "TBAI‐TBHP Mediated C4‐Selective C(sp3)‐H Sulfonylation of 1,2,3,4‐Tetrahydroacridines and Oxidative Desulfonylation to 2,3‐Dihydro Acridin‐4(1H)‐Ones." ChemistrySelect 9, no. 38 (2024). http://dx.doi.org/10.1002/slct.202403503.

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AbstractA site selective, metal‐free C(sp3)−H sulfonylation of 1,2,3,4‐tetrahydroacridines is reported using sulfonyl hydrazides as sulfonyl source in the presence of a combination of tetrabutylammonium iodide (0.2 equiv.) and tert‐butyl hydroperoxide (1 equiv.). This reaction was extended for the 2,3‐dihydroacridin‐4(1H)‐ones via oxidative desulfonylation. Both sulfonylation and desulfonylation steps were achieved in good to excellent yields with broad substrate compatibility.
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22

ASTHANA, P., M. PRASAD, and S. N. RASTOGI. "ChemInform Abstract: Synthesis of 9-Substituted-oxy Acridine and 1, 2, 3, 4-Tetrahydroacridine Derivatives as Potential Biodynamic Agents." ChemInform 18, no. 43 (1987). http://dx.doi.org/10.1002/chin.198743210.

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