Relevant bibliographies by topics / Pyrazolics derivate

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Pyrazolics derivate'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Pyrazolics derivate"

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Abeed, Ahmed A. O., Talaat I. El-Emary, and Mohamed S. K. Youssef. "A Facile Synthesis and Reactions of Some Novel Pyrazole-based Heterocycles." Current Organic Synthesis 16, no. 3 (2019): 405–12. http://dx.doi.org/10.2174/1570179416666181210160908.

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<p>Aim and Objective: This work presents the synthetic capability and the exploitation of 1,3-diphenyl- 1H-pyrazole-4-carboxladehyde 1 and 5-diphenyl pyrazolyl-2-pyrazoline analogue 8 to serve as excellent precursors for the synthesis of substituted indol-2,3-dione, trizolo[3,4-a]benzazoles, thiazolo[2,3- a]benzimidazole-3-one, substituted 2-pyrazoline and pyrazole-substituted-pyrazolines using various reagents. </P><P> Materials and Methods: Using chemicals from Aldrich, Fluka, or Merck, and pure solvents, we apply the synthetic procedures for the synthesis of novel heterocy
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Journal, Baghdad Science. "Synthesis of New Heterocyclic Derivatives from 4-(3, 5-Dimethyl-1-phenyl-1H-pyrazol-4-ylazo)- benzoic acid." Baghdad Science Journal 7, no. 1 (2010): 727–36. http://dx.doi.org/10.21123/bsj.7.1.727-736.

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In this work pyrazolin derivatives were prepared from the diazonium chloride salt of 4-aminobenzoic acid. Azo compounds were prepared from the reaction of an ethanolic solution of sodium acetate and calculated amount of active methylene compound namely, acetyl acetone to obtain the corresponding hydrazono derivative (1). Cyclocondensation reaction of compounds (1) with hydrazine hydrate and phenyl hydrazine in boiling ethanol affording the corresponding pyrazoline-5-one derivatives of 4-aminobenzoic acid (2,3). Then compound (3) was reacted with thionyl chloride to give the corresponding acid
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El-Ossaily, Y. A. B., R. M. Zaki, and S. A. Metwally. "Investigation and Synthesis of Some Novel Spiro Heterocycles Related to Indoline Moiety." Journal of Scientific Research 6, no. 2 (2014): 293–307. http://dx.doi.org/10.3329/jsr.v6i2.17590.

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Reactions of indole-2,3-dione 1 with 2-mercaptobenzimidazole, o-phenylenediamine, 2-aminophenol, 2-aminobenzothiazole, 2-aminobenzimidazole and 3-methyl-1-phenyl-2-pyrazolin-5-one were carried out to give compounds spiroindolethiazetobenzimidazole 2, spirobenzimidazole(oxazole)indoline 3a,b, benzothiazol(imidazol) iminoindolinone 4a,b and methyloxoindolylidenepyrazolone 5 respectively. Compound 5 was reacted with 2-aminophenol as well as o-phenylenediamine to give new spirooxazepine and diazepine derivatives 6a,b respectively. Reaction of 5 with nitrogen nucleophiles as well as carbon nucleoph
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Sultan, Mohammed Ibrahim, Ahmed M. Abdula, Rana I. Faeq, and Mahdi F. Radi. "New Pyrazoline Derivatives Containing Imine Moiety: Synthesis, Characterization and Antimicrobial Study." Al-Mustansiriyah Journal of Science 32, no. 3 (2021): 8. http://dx.doi.org/10.23851/mjs.v32i3.955.

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A new series of pyrazoline derivatives (3-10) have been synthesized and characterized on the basis of FT-IR, 1H-NMR, and Mass techniques. 1-(4-Aminophenyl)-3-(pyridin-4-yl)prop-2-en-1-one (1) as a starting material was prepared by the reaction of 4-aminoacetophenone and 4-pyridinecarboxaldehyde in ethanol, using sodium hydroxide as a catalyst. Pyrazoline derivatives 2 was obtained via the cyclization reaction of compound 1 by the action of hydrazine hydrate 80% in ethanol. The target derivatives (3-8) were obtained by the reaction of pyrazoline derivative (2) with the corresponding aldehyde in
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Kang, Hyo Sim, Sun Wha Oh, and Young Soo Kang. "Comparison of Optical Properties of Pyrazoline Derivative Nanoparticles." Solid State Phenomena 119 (January 2007): 39–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.119.39.

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We prepared various pyrazoline derivatives which possess dimethylamino-, ethoxy-, isopropyl-phenyl ring at the 5-position of pyrazoline. The nanoparticles of pyrazoline derivative ranging from tens to hundreds of nanometers by the reprecipitation method have been successfully prepared and their optical size-dependent properties have been investigated with UV-vis, fluorescence spectroscopy, DLS (Dynamic Light Scattering) and SEM. The size-dependent optical properties of pyrazoline organic nanoparticles have been observed in the order of dimethylamino- > ethoxy- > isopropyl- in electro-don
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Santoso, Broto. "3D-MOLECULAR SCREENING OF DIKETOPIPERAZINE DERIVATES ON Staphylococcus aureus DEHYDROSQUALENE SYNTHASE USING VINA." Pharmacon: Jurnal Farmasi Indonesia 13, no. 1 (2015): 24–29. http://dx.doi.org/10.23917/pharmacon.v13i1.23.

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Dehydrosqualene synthase enzyme has been used as protein target model for exploring docking simulation of pyrazoline analogues. One of diketopiperazine derivates that have similar structure to pyrazoline has antibacterial activity against Staphylococcus aureus (S. aureus). Vina is AutoDock- improved program that capable for molecular screening based on free-energy and binding conformation prediction between ligand and protein target. The aim of these studies is to screen diketopiperazine derivates on dehydrosqualene synthase of S. aureus using Vina. Diketopiperazine derivates, curcumin analogu
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Guo, Shengmei, Yuyang Zhang, Jianyan Huang, Lin Kong, and Jiaxiang Yang. "High dual-state blue emission of a functionalized pyrazoline derivative for picric acid detection." CrystEngComm 23, no. 1 (2021): 221–26. http://dx.doi.org/10.1039/d0ce01195a.

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8

Varghese, Beena, Saleh N. Al-Busafi, Fakhr Eldin O. Suliman, and Salma Al-Kindy. "Study on the Reactivity of Amino Acid Chemosensor, NPFNP, with Ethanol: Structural Elucidation through Single Crystal XRD and DFT Calculations." Sultan Qaboos University Journal for Science [SQUJS] 22, no. 1 (2017): 16. http://dx.doi.org/10.24200/squjs.vol22iss1pp16-28.

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A novel ethoxy derivative of an amino acid chemosensor, 3-naphthyl-1-phenyl-5-(2ʹ-fluoro-5ʹ-nitrophenyl)-2-pyrazoline (NPFNP), has been synthesized and characterized by different spectroscopic methods. A single crystal of the ethoxy derivative, 3-naphthyl-1-phenyl-5-(2ʹ-ethoxy-5ʹ-nitrophenyl)-2-pyrazoline NPENP, has been obtained and characterized. The structure holds interest as it carries biologically active pyrazoline as a central ring attaching to electron donating and withdrawing substituents. The major motivation for this work was to gain detailed insight into the structural parameters o
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Duong Khanh, Linh, My Hanh Trinh Thi, Thuy Quynh Bui Thi, Trung Vu Quoc, Vuong Nguyen Thien, and Luc Van Meervelt. "Synthesis, crystal structure and Hirshfeld surface analysis of 4-[3-(4-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-5-yl]-2-methoxyphenol monohydrate." Acta Crystallographica Section E Crystallographic Communications 75, no. 11 (2019): 1590–94. http://dx.doi.org/10.1107/s2056989019013379.

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In the title pyrazoline derivative, C16H16N2O3·H2O, the pyrazoline ring has an envelope conformation with the substituted sp 2 C atom on the flap. The pyrazoline ring makes angles of 86.73 (12) and 13.44 (12)° with the trisubstituted and disubstituted benzene rings, respectively. In the crystal structure, the molecules are connected into chains running in the b-axis direction by O—H...N hydrogen bonding. Parallel chains interact through N—H...O hydrogen bonds and π–π stacking of the trisubstituted phenyl rings. The major contribution to the surface contacts are H...H contacts (44.3%) as conclu
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Szukalski, Adam, Maria Moffa, Andrea Camposeo, Dario Pisignano, and Jaroslaw Mysliwiec. "All-optical switching in dye-doped DNA nanofibers." Journal of Materials Chemistry C 7, no. 1 (2019): 170–76. http://dx.doi.org/10.1039/c8tc04677h.

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Dissertations / Theses on the topic "Pyrazolics derivate"

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GOMES, Marcelo do Nascimento. "Planejamento, síntese e avaliação farmacológica de novos candidatos a protótipos de fármacos anti-inflamatórios." Universidade Federal de Goiás, 2009. http://repositorio.bc.ufg.br/tede/handle/tde/2136.

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Made available in DSpace on 2014-07-29T16:11:54Z (GMT). No. of bitstreams: 1 MARCELO DO NASCIMENTO capitulos.pdf: 46847 bytes, checksum: 9184c68b4afbd4f8c18e081f4c9274be (MD5) Previous issue date: 2009-06-15<br>In the field of a research line that seeks the planning, the synthesis and the pharmacologycal evaluation of new candidates to prototypes of anti-inflammatory drugs, we will describe in this project the planning of derived new pyrazolics (LQFM 002-003), originally drawn starting from the nerolidilcatecol (24) and arylsulfonilpiperazines, (25) that present profile inhibition of the enz
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Book chapters on the topic "Pyrazolics derivate"

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Kang, Hyo Sim, Sun Wha Oh, and Young Soo Kang. "Comparison of Optical Properties of Pyrazoline Derivative Nanoparticles." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-27-2.39.

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Conference papers on the topic "Pyrazolics derivate"

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Janardhana, K., V. Ravindrachary, P. C. Rajesh Kumar, et al. "Third Order Optical Nonlinearity of a Pyrazoline Derivative." In THE 10TH ASIAN INTERNATIONAL CONFERENCE ON FLUID MACHINERY. American Institute of Physics, 2011. http://dx.doi.org/10.1063/1.3606354.

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Cin, Gunseli Turgut, Seda Demirel Topel, Neslihan Nohut Maslakci, Esin Eren, and Aysegul Uygun Oksuz. "Plasma modified chitosan/N-acetyl-2-pyrazoline derivative nanofibers." In 2015 IEEE International Conference on Plasma Sciences (ICOPS). IEEE, 2015. http://dx.doi.org/10.1109/plasma.2015.7179648.

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