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Relevant bibliographies by topics / Hydrazine hydrat

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Dissertations / Theses
Book chapters
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Academic literature on the topic 'Hydrazine hydrat'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Hydrazine hydrat"

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Ibtehal K. Abdullah and Meaad K. Buniya. "Preparation and Identification of some heterocyclic compounds from cyano compounds." Tikrit Journal of Pure Science 20, no. 5 (2023): 96–105. http://dx.doi.org/10.25130/tjps.v20i5.1245.

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This article included prepared cyano acetic acid hydrazid from interaction cyano ethylacetate with hydrate hydrazen, and interaction with 2- acytel thiophene and 2- acytelpyridine it will formation of hydrazide- hydrazone derivative (I, II), and through the undergo the compounds (I,II) for chain of interactions with different chemical materials then enclosed cyclo formed derivative of (arylidene ,coumarin , aryl hydrazon , thiophene ) . Prepared compounds have been studied and Identification by physical and spectral means.

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Journal, Baghdad Science. "Synthesis and study of biological activity of some new Imidazole derivatives." Baghdad Science Journal 13, no. 3 (2018): 547–55. http://dx.doi.org/10.21123/bsj.13.3.547-555.

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In this work ester derivatives were synthesized by the reaction of imidazole derivatives (C1) with ethylchloroacetate in ethanol and NaOH to give the corresponding (C2) .While compound (C3) acetohydrazide was synthesized by the reaction of ester derivatives (C2) with hydrazine hydrat in ethanol. Compound (C3) from the reaction with different aromatic aldehydes in absolute ethanol gave the Schiff′s bases (C4,C5). The product compounds were characterized by FT-IR, U.V and 1HNMR spectra and the biological activities were studied as antibacterial.

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Ekram Abdullah Basheer, Kalid Matny Al-jaanaby, and Feras Shauki Al-joboury. "Synthesis a Number of Heterocyclic Compounds Derived From Levofloxacin." Tikrit Journal of Pure Science 20, no. 5 (2023): 84–95. http://dx.doi.org/10.25130/tjps.v20i5.1244.

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In this paper, the preparation a number of heterocyclic compounds five membered rings like oxadiazole, imidazolidine, thiozolidine, tetrazole, azetidine 2-on. Hydrazide (1) was synthesized from the reaction of levofloxacin with hydrazine hydrate. Hydrazone compounds (2-9) were synthesized from the reaction (1) with a number of aldehydes, and 3-acetyl-1,3,4-oxadiazol (10-17) was prepared from the reaction of hydrazones (2-9) with acetic anhydride, 5-oxo-2-aryl imadazoldine derivative (18-25) were prepared from the reaction of hydrazone derivatives (2-9) with glycine, while the reaction of hydra

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Nora, Amer Hussien, Y. Hussien Hyffaa, and H. Abdulrahman Shaymaa. "Predictive biological activity of newly synthesized hydrazone compounds derived from indomethacin." Journal of Wildlife and Biodiversity 7, Special Issue (2023): 391–402. https://doi.org/10.5281/zenodo.10246323.

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New derivatives of hydrazone have been successfully created, specifically 2-(1-(Aryl)-5-methoxy-2-methyl-1H-indol-3-yl)-N'-(2-chlorobenzylidene) acetohydrazide. The transformation of Indomethacin ester into hydrazide was achieved through a reaction with hydrazine hydrate in absolute ethanol, followed by the reaction of the resulting hydrazide with aromatic aldehydes. The structures of these newly synthesized hydrazones were validated through IR, 1HNMR, and 13CNMR analyses. Each compound's energies were optimized by utilizing density functional theory (DFT) for theoretical calculations. By empl

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ABDUL, U. SIDDIQUI, H. SIDDIQUI A., and SUNDARA RAMAIAH T. "Synthesis of Steroidal and Terpenoidal Extranucleo Thiazolidinones." Journal of Indian Chemical Society Vol. 69, Feb 1992 (1992): 85–86. https://doi.org/10.5281/zenodo.5993007.

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Department of Chemistry, Nizam College, Osmania University, Hyderabad-500 001 <em>Manuscript received 26 December 1991, accepted 17 February 1992</em> 3-Oxo-5β-cholan-24-oic-acid (la), 3-oxo-lanost-8,24-diene (2a) and 3-oxo-olean-12-ene (3a) on reaction with hydrazine hydrate in alcoholic solution gave the respective 3-hydrazones (lb, 2b and 3b). Subsequent reaction of these 3-hydrazones with ammonium thiocyanate in benzene solution afforded 3-thiosemicarbazone derivatives (lc, 2c and 3c) which undergo cyclisation with chloroacetic acid in the presence of anhydrous sodium acetate to yield

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Singh, Raman, and Anand K. Halve. "Synthesis of New Hydrazones Containing 1,3-Diketo Moiety." RSYN Chemical Sciences 02, no. 01 (2025): 01–06. https://doi.org/10.70130/rcs.2025.0201001.

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A series of novel hydrazones containing a 1,3-diketo moiety, namely 3-[(2E)-2-(4-hydroxybenzylidene)hydrazino]-3-oxo-N-phenylpropanamides (6a-j), were synthesized as precursors for biologically important β-lactam and thiazolidinone derivatives. The synthesis involved the condensation of 3-methoxy-4-hydroxybenzaldehyde or 3-methoxy-4-acetyloxybenzaldehyde with various substituted malonanilic acid hydrazides. The hydrazides (4a-e) were prepared by refluxing aniline with diethyl malonate, followed by treatment with hydrazine hydrate. The structures of the synthesized compounds were confirmed by e

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Agili, Fatimah. "Novel Hydrazide Hydrazone Derivatives as Antimicrobial Agents: Design, Synthesis, and Molecular Dynamics." Processes 12, no. 6 (2024): 1055. http://dx.doi.org/10.3390/pr12061055.

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Ester 2 was produced by reacting thiourea derivative 1 with ethyl 2-chloro-3-oxobutanoate in MeOH containing piperidine. Hydrazide 3 was produced by reacting the latter ester with hydrazine hydrate in EtOH at reflux. By reacting hydrazide 3 with aromatic/heterocyclic aldehydes, twelve derivatives of hydrazide hydrazone 5a–l were produced. Spectral measurements and elemental analysis verified the molecular structure. Compounds 2, 5a, 5c, 5d, and 5f had strong effects on all the pathogenic bacterial strains according to an evaluation of the antimicrobial qualities of the synthetic compounds. Wit

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Al-Shiekh, Mariam A., Hanady Y. Medrassi, Mohamed H. Elnagdi, and Ebtisam A. Hafez. "Substituted Hydrazonals as Building Blocks in Heterocyclic Synthesis: A New Route to Arylhydrazonocinnolines." Journal of Chemical Research 2007, no. 7 (2007): 432–36. http://dx.doi.org/10.3184/030823407x234617.

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2-heteroylhydrazonopropanals 2a–e and 3-oxo-2-arylhydrazonopropanals 2f–k were prepared via coupling of enaminones 1 with aromatic diazonium salts. Compounds 2a–c condensed with hydrazine hydrate to yield the corresponding hydrazones 3a–c which afford on cyclisation the cinnoline derivatives 6a–c, while condensation of 2g, j with hydrazine hydrate directly yielded the pyrazole derivatives 4g–j. Condensation of 2a–c, f, g with phenyl hydrazine gave the corresponding phenyl hydrazone derivatives 7a–c, f, g. Structures of 2a, h and 3a were assessed by single crystal X-ray analyses.

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Shu, Zhang, Wang Longyu, Cao Pengzhang, Gu Xuefan, Zhang Huani, and Chen Gang. "Synthesis of New Hydrazone Compounds from Natural Grease and Investigation as Flow Improver for Crude Oil." Нефтехимия 63, no. 3 (2023): 354–62. http://dx.doi.org/10.31857/s0028242123030061.

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n this work, salicylaldehyde hydrazone (SAH), different from the traditional polymers, was synthesized from natural oils (castor, SAСH, rapeseed, SARH and soybean, SASH), hydrazine hydrate and salicylaldehyde. Firstly, natural grease reacts with hydrazine hydrate to produce hydrazide, and then salicylaldehyde reacts with hydrazide to synthesis salicylaldehyde hydrazone. In this work, SAH were evaluated as viscosity-reducers and pour point depressors for crude oil. The results show that the SAH can significantly reduce the pour point and viscosity of crude oil, with the increase of crude oil fl

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Wu, Shouting, Xi Liang, Fang Luo, et al. "Synthesis, Crystal Structure and Bioactivity of Phenazine-1-carboxylic Acylhydrazone Derivatives." Molecules 26, no. 17 (2021): 5320. http://dx.doi.org/10.3390/molecules26175320.

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A phenazine-1-carboxylic acid intermediate was synthesized from the reaction of aniline and 2-bromo-3-nitro-benzoic acid. It was then esterified and reacted with hydrazine hydrate to afford phenazine-1-carboxylic hydrazine. Finally, 10 new hydrazone compounds 3a–3j were obtained by the condensation reaction of phenazine-1-carboxylic acid hydrazide and the respective aldehyde-containing compound. The structures were characterized by 1H and 13C NMR spectroscopy, MS and single crystal X-ray diffraction. The antitumor activity of the target compounds in vitro (HeLa and A549) was determined by thia

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Dissertations / Theses on the topic "Hydrazine hydrat"

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Hsu, Ivann Hong, Joanna Emerson, Andrew Wong, and Phillip Zinsli. "2-HYDROXYETHYL HYDRAZINE AND HYDRAZINE HYDRATE PLANT DESIGN." Thesis, The University of Arizona, 2009. http://hdl.handle.net/10150/192492.

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El, Widadi Toufik. "Etude des interactions moléculaires dans les mélanges monomethyl hydrazine liquides et solides." Lyon, INSA, 1992. http://www.theses.fr/1992ISAL0080.

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L'étude des interaction moléculaires dans les mélanges eau / monomethyl hydrazine (NNH) a été menée dans un premier temps par analyse des spectres Raman des mélanges liquides eau /MMH, dans tout le domaine de concentration. Après une ré-attribution complète des fréquences correspondant à la MMH, les variations observées sur les spectres Raman ont été expliquées en termes de déformation du squelette C-N-N de la MMH. Des raies Raman ont été attribuées aux dimères de la MMH et d'autres aux hydrates MMH, nH20. Un modèle simple de la molécule de monométhyl hydrazine a été mis au point. Il a été uti

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Goutelle, Véronique. "Synthèse de la 2-hydroxyéthylhydrazine par voie chloramine et par alkylation de l'(hydrate d'hydrazine) : mécanistique, modélisation cinétique et optimisation." Lyon 1, 2006. http://www.theses.fr/2006LYO10273.

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Ce travail, effectué avec la société ISOCHEM groupe SNPE, présente différentes voies d’accès à la synthèse de l’hydroxyéthylhydrazine. Cette molécule suscite aujourd’hui un grand intérêt compte tenu de ses applications dans le domaine l’aérospatiale, de la Défense, de l’industrie pharmaceutique et des cosmétiques. - La 1ère partie est consacrée à la voie Raschig. Une étude cinétique et mécanistique des réactions de formation et de dégradation a permis d’identifier les produits et d’établir un modèle. Les conditions optimales de synthèse ont été définies ainsi qu’une approche des opérations d’e

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Amazzal, Aïssa. "Etude des associations moléculaires dans une famille de liquides fragiles : la monométhylhydrazine et ses hydrates." Lille 1, 1996. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1996/50376-1996-123.pdf.

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L'étude des associations moléculaires dans les mélanges eau-monométhylhydrazine (mmh) a été menée dans un large domaine de concentrations par l'analyse du spectre Raman des raies d'élongation N-H et O-H en fonction de la température à l'état liquide. Nous avons clairement mis en évidence la présence des liaisons hydrogène nhn et ohn responsables respectivement des associations en dimère de mmh et monohydrate de mmh. Un accord qualitatif mais significatif entre nos résultats expérimentaux et un modèle thermodynamique décrivant la variation en fonction de la concentration de la proportion corres

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Karakoc, Nihan. "Metal." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12610393/index.pdf.

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This study aims synthesis of metal/polymer one dimensional nanostructures by micelle formation, reduction, and electrospinning route, and to analyze the morphological characteristics of composite nanofibers. The study was carried out in three main steps. First, the reverse micelle structures were established between the anionic surfactant and the metal ion. The surfactant acts as an agent to bind metal ions together so that the arrangements of metal ions can be controlled in the solution. As the surfactant concentration increases, reverse micelles grow and reverse wormlike micelle structures a

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Cinar, Simge. "Synthesis Of Silver Nanoparticles And Cable Like Structures Through Coaxial Electrospinning." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12611472/index.pdf.

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The aim of this study is to demonstrate the possibility of production of nanocables as an alternative to the other one dimensional metal/polymer composite structures like nanowires and nanorods. There is no certain definition of nanocables<br>however they could be considered as assemblies of nanowires. Nanocable structure can be defined as a core-shell structure formed by a polymeric shell and a metal core that runs continuously within this shell. To produce nanocables, two main steps were carried out. Firstly, monodispersed silver metal nanoparticles to be aligned within the cable core were p

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Тарко, Я. Б. "Технології та технічні засоби інтенсифікації нафтогазовидобутку на основі термогідродинамічних методів впливу на привибійну зону пластів". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2005. http://elar.nung.edu.ua/handle/123456789/4069.

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Дисертація присвячена дослідженню гідродинамічних і термохімічних процесів, які відбуваються у свердловині та привибійній зоні пласта та розробці нових методів інтенсифікації нафтогазовидобутку. Розроблено математичні моделі процесів кольматації привибійної зони під час первинного розкриття пласта, відновлення вибійного тиску і його розподілу в пласті в процесі циклічного депресійно-репресійного впливу, витіснення рідини з свердловини стисненим газом і водогазовими подушками. Створено нові технології та технічні засоби гідроімпульсного впливу на привибійну зону пластів. Проведено теоретичні

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Peng, Yao-Te, and 彭耀德. "An Investigation of the Equilibrium Characteristics of the reaction between Hydrated Hydrazine and Shell 405." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/63510084180871717730.

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碩士<br>國立成功大學<br>航空太空工程學系碩博士班<br>93<br>Abstract 　The reaction of hydrazine and catalyst(Shell 405) can instantaneously produce a large amount of the high temperature and low-molecular weight gas. This reactive characteristics is extensively applied on the propulsion field in aeronautic and astronautic industries. In recent years, due to the fast growth of nano- and pico-satellites, the needs of micro-scale propulsion system escalate simultaneously. However, the conventional material of MEMS devices can not sustain the high temperature generated by the fast decomposition of Hydrazine. In or

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Book chapters on the topic "Hydrazine hydrat"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) complex with salicylaldehyde isonicotinoyl hydrazone (hydrated)." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_492.

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Hatib, Rustan, Khairil Anwar, Muhammad Rismanto, and Nur Wahidah Rahmadhani. "The Role of Hydrazine Hydrate in rGO to Increasing Electric Current on Dye Sensitized Solar Cell (DSSC) Based Natural Dyes." In Advances in Engineering Research. Atlantis Press International BV, 2025. https://doi.org/10.2991/978-94-6463-768-7_17.

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"Hydrazine Sulfate and Alcoholic Hydrazine Hydrate." In Small-Scale Synthesis of Laboratory Reagents with Reaction Modeling. CRC Press, 2011. http://dx.doi.org/10.1201/b10611-12.

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Stanovnik, B., and J. Svete. "From Pyrimidines and Hydrazine Hydrate." In Five-Membered Hetarenes with Two Nitrogen or Phosphorus Atoms. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-012-00191.

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Stanovnik, B., and J. Svete. "From 1,2,6-Thiadiazines and Hydrazine Hydrate." In Five-Membered Hetarenes with Two Nitrogen or Phosphorus Atoms. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-012-00195.

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Aitken, R. A. "Reaction of Selenobenzamides with Hydrazine Hydrate." In Five-Membered Hetarenes with Three or More Heteroatoms. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-013-01343.

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Comasseto, J. V., and A. S. Guarezemini. "Reaction of Dialkyl Diselenides with Hydrazine Hydrate Followed by Chlorotriethylstannane." In Sulfur, Selenium, and Tellurium. Georg Thieme Verlag KG, 2008. http://dx.doi.org/10.1055/sos-sd-039-01230.

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Feng, Xiao, Junkun Yang, and Taofeng Cao. "Improving Energy Performance of a Hydrazine Hydrate Plant by Applying Hot Feed." In Computer Aided Chemical Engineering. Elsevier, 2009. http://dx.doi.org/10.1016/s1570-7946(09)70394-3.

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Stanovnik, B., and J. Svete. "From Carbonyl Compounds and Alkyl Formate Followed by Reaction with Hydrazine Hydrate." In Five-Membered Hetarenes with Two Nitrogen or Phosphorus Atoms. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-012-00015.

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Döpp, H., and D. Döpp. "Condensations of 3-Diazo-2-oxopropanoic Acid Derivatives with Hydrazine Hydrate or Hydroxylamine." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-00357.

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Conference papers on the topic "Hydrazine hydrat"

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Popusoi, Ana, Nicanor Barba, and Aurelian Gulea. "Synthesis of 1,3-Phenyl(Pyridyl)propenones with thiosemicarbazidic groups." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab03.

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The bibliographic study of chalcones of the type 1,3-aryl(heteryl)propen-2-one with thiosemicarbazidic 4- and 1,4-disubstituted and thisemicarbazonic groups respectively gives us the information that they have a wide spectrum of biological activity, but methods of their synthesis are less described in the literature, and they became our object of study. 4,5-Dihydro-1-H-(pyrazol-3-yl)phenylhydrazinecarbothioamides 3a and 3b were obtained according to the following scheme:Reagents and reaction conditions: i, ii) 2-Py, 25oC – 24h, 90-95oC – 3h, 77-82%; iii) DMF, CH3COOH, 70-80oC, 2-3h, 60-63%. Fi

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Zveaghinteva, Marina, Natalia Sucman, and Fliur Macaev. "Preparation of pyrazole class derivatives by heterocyclization of 1,2,4-triazolylethanones." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.93.

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In this work the peculiarities of the heterocyclization reaction of vinyltriazoles with the participation of hydrazine hydrate in ethanol and acetic acid are considered. Within the framework of this work it was found that the nature of the formed reaction products of the interaction of vinyltriazoles with hydrazine hydrate depends on the nature of the solvent. In boiling ethanol, 4,5-dihydro-1H-pyrazolinfunctionalized 1H-1,2,4-triazole is formed. Under acetic acid conditions, along with the formation of a pair of diastereomeric substances 4,5-dihydro-1H-pyrazoline series diastereomeric substan

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Solanki, Rekha Garg, and P. Rajaram. "Structural and optical properties of hydrazine hydrate capped cadmium sulphide nanoparticles." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5032353.

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Chen, H. M., F. Fang, Z. M. Zhou, M. M. Li, T. R. Long, and J. S. Guo. "Recycling of waste engine oil using hydrazine hydrate as a decolorizing agent." In International Conference on Earth Science and Environmental Protection (ICESEP2013). WIT Press, 2013. http://dx.doi.org/10.2495/icesep131011.

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Jiangbo, Liang, Ling Zhang, Jianhui Guo, et al. "Technical Studies on Hazardfree Treatment and Resource Recovery of Hydrazine Hydrate Solid Waste." In 2013 Third International Conference on Intelligent System Design and Engineering Applications (ISDEA). IEEE, 2013. http://dx.doi.org/10.1109/isdea.2012.328.

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Yusof, Muhammad Jefri Mohd, Naharullah Jamaluddin, Ibrahim Abdullah, and Siti Fairus M. Yusoff. "Hydrogenation of liquid natural rubber via diimide reduction in hydrazine hydrate/hydrogen peroxide system." In THE 2015 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2015 Postgraduate Colloquium. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4931280.

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Zainuddin, Mohammad Fiqri, Nik Raikhan Nik Him, Nur Hidayati Othman, Mohamad Sufian So’aib, and Wan Fazlida Hanim Abdullah. "Review on effects of hydrazine hydrate and L-ascorbic acid on electrical conductivity of graphene." In ADVANCED MATERIALS FOR SUSTAINABILITY AND GROWTH: Proceedings of the 3rd Advanced Materials Conference 2016 (3rd AMC 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.5010522.

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Krunić, Mihajlo J., Jelena Z. Penjišević, Slađana Kostić-Rajačić, Vladimir B. Šukalović, Deana B. Andrić, and Ivana I. Jevtić. "Pyrazole/tacrine derivatives as potential cholinesterase inhibitors." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.567k.

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Two new tacrine/pyrazole conjugates were designed, synthesized, and pharmacologically evaluated for their inhibitory activity toward acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE). A scalable and cost-efficient synthetic route was developed, and key reaction steps for the synthesis of compounds 4a,b were nucleophilic substitution of α-aroylketene dithioacetals with tacrine intermediates, followed by cyclocondensation of respective N,S-acetals with hydrazine hydrate. The preliminary pharmacological evaluation revealed high inhibitory activities of 4a,b toward AChE (180 and 259 nM

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