Relevant bibliographies by topics / Pentanedione

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

Academic literature on the topic 'Pentanedione'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Pentanedione"

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Pejin, Jelena, Olgica Grujic, Sinisa Markov, Suncica-Tanackov Kocic, Dragoljub Cvetkovic, and Ilija Tanackov. "Fermentation temperature and wort composition influence on diacetyl and 2, 3-pentanedione contents in beer." Zbornik Matice srpske za prirodne nauke, no. 108 (2005): 229–38. http://dx.doi.org/10.2298/zmspn0508229p.

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Diacetyl and 2,3-pentanedione are important constituents of beer sensory properties. A new GC/MS method for diacetyl and 2,3-pentanedione content determination was developed. This method was applied for the determination of diacetyl and 2,3-pentanedione contents during beer fermentation (primary fermentation and maturation). Primary fermentations were carried out at different temperatures (8?C and 14?C). Primary fermentation temperature had a great influence on diacetyl and 2,3-pentanedione formation and reduction. Formation and reduction rates increased with the primary fermentation temperatu
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Ballantyne, B. "2,4-pentanedione." Journal of Applied Toxicology 21, no. 2 (2001): 165–71. http://dx.doi.org/10.1002/jat.739.

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Krishnankutty, K., P. Sayudevi, and Basheer Ummathur. "Metal complexes of Schiff’s bases derived from 3-(arylazo)-2,4- -pentanediones with 2-aminophenol and 2-aminothiophenol." Journal of the Serbian Chemical Society 72, no. 11 (2007): 1075–84. http://dx.doi.org/10.2298/jsc0711075k.

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Phenylazo- and thiazolylazo-2,4-pentanediones on reaction with 2-aminophenol and 2-aminothiophenol yielded a new series of polydentate Schiff?s base ligands. The structure and tautomeric nature of these compounds and their metal complexes were established on the basis of their IR, 1H-NMR and mass spectral data. The spectral and analytical data revealed the condensation of both carbonyl groups of 3-(2-thiazolylazo)- 2,4-pentanedione with 2-aminophenol to form an N2O2 tetradentate ligand. Details on the formation of its [ML] complexes with Ni(II), Cu(II) and Zn(II) and the nature of their bondin
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Pejin, Jelena, Olgica Grujic, Nikola Marjanovic, Djura Vujic, and Suncica Kocic-Tanackov. "Determina tion of diacetyl and 2,3-pentanedione in beer by gc/ms using solid-phase extraction columns." Acta Periodica Technologica, no. 33 (2002): 45–54. http://dx.doi.org/10.2298/apt0233045p.

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A new GC/MS method for the determination of diacetyl and 2,3-pentanedione was investigated. Diacetyl and 2,3-pentanedione were derivatized with 1,2-diaminobenzene to form 2,3-dimetylquinoxaline and 2-ethyl-3-methylquinoxaline. respectively. The amounts of formed 2.3-dimetylqu:inoxaline and 2-ethyl-3,.methylquinoxaline were proportional to the concentrations of diacetyl and 2,3-penianedione present in the sample. 2,3-Dimetylquinoxaline and 2-ethyl-3-methylquinoxaline were extracted by solid-phase extraction (SPE) columns and determined by gas chromatography using a mass selective detector. This
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Robinson, Gill. "Pentanedione on the brain." Food and Chemical Toxicology 25, no. 4 (1987): 341–42. http://dx.doi.org/10.1016/0278-6915(87)90138-4.

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Sykora, Richard E., Katrina Kalachnikova, and Greg T. Spyridis. "3-Triphenylmethyl-2,4-pentanedione." Acta Crystallographica Section E Structure Reports Online 63, no. 10 (2007): o4075. http://dx.doi.org/10.1107/s1600536807043619.

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Pengelly, Ian, and Veronica M. Brown. "A New Method for Workplace Monitoring of Airborne Diacetyl and 2,3-Pentanedione Using Thermal Desorption Tubes and Gas Chromatography-Mass Spectrometry." Annals of Work Exposures and Health 63, no. 4 (2019): 407–14. http://dx.doi.org/10.1093/annweh/wxz014.

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Abstract Diacetyl is a potentially harmful chemical that is used as an artificial flavouring in the food industry and may also be generated during processing of some natural products including coffee. In Europe, an 8-h time weighted average occupational exposure limit (TWA-OEL) of 20 ppb has been adopted for diacetyl, together with a short-term exposure limit (STEL) of 100 ppb. A sensitive new measurement method for diacetyl, and the related compound 2,3-pentanedione has been developed and evaluated. The new method uses Tenax TA sorbent tubes as the sampling media with analysis by thermal deso
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Hunter, Duncan H., Chantelle McRoberts, and Jagadese J. Vittal. "Article." Canadian Journal of Chemistry 76, no. 5 (1998): 522–24. http://dx.doi.org/10.1139/v98-066.

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Attempts to prepare 2,4-bisthiosemicarbamoylpentanediones 1 via literature precedent from 2,4-pentanedione and three different thiosemicarbazides resulted instead in the formation of cyclic pyrazolines 5. The preparation was attempted with thiosemicarbazide, 4-methylthiosemicarbazide, and 4-ethylthiosemicarbazide, respectively. A single-crystal X-ray structure study of the product from 4-methylthiosemicarbazide confirmed the pyrazoline structure. This observation serves to correct earlier misassignments of structure.Key words: pentanedione, bisthiosemicarbazone, pyrazoline, ethylenediamine.
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Mitkidou, Sophia, Julia Stephanidou-Stephanatou, and Helen Stephopoulou. "Reaction of 3-benzylidene-2,4-pentanedione and 3-methoxymethylene-2,4-pentanedione with aroylhydrazines." Journal of Heterocyclic Chemistry 30, no. 2 (1993): 441–44. http://dx.doi.org/10.1002/jhet.5570300227.

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Prlainovic, Nevena, Dejan Bezbradica, Zorica Knezevic-Jugovic, Dusan Velickovic, and Dusan Mijin. "Enzymatic synthesis of vitamin B6 precursor." Journal of the Serbian Chemical Society 78, no. 10 (2013): 1491–501. http://dx.doi.org/10.2298/jsc130322050p.

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3-Cyano-4-ethoxymethyl-6-methyl-2-pyridone is an important precursor in the synthesis of vitamin B6, obtained in the addition reaction between 2-cyanoacetamide and 1-ethoxy-2,4-pentanedione catalyzed by lipase from Candida rugosa (triacylglycerol ester hydrolases, EC 3.1.1.3). This work shows new experimental data and mathematical modeling of lipase catalyzed synthesis of 3-cyano-4-ethoxymethyl-6-methyl-2-pyridone, starting from 1-ethoxy-2,4-pentanedione and 2-cyanoacetamide. Kinetic measurements were done at 50 oC with enzyme concentration of 1.2 % w/v. Experimental results were fitted with t
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Dissertations / Theses on the topic "Pentanedione"

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Miller, Ian George. "Production of diacetyl and 2,3-pentanedione in relation to valine and isoleucine metabolism in Saccharomyces cerevisiae." Thesis, Heriot-Watt University, 1988. http://hdl.handle.net/10399/914.

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Frezza, Marine. "Synthèse et évaluation biologique d'analogues des acyl-homosérine-lactones et de la 4,5-dihydroxy-2, 3-pentanedione, des modulateurs du quorum sensing bactérien." Lyon 1, 2007. http://www.theses.fr/2007LYO10098.

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Les bactéries communiquent entre elles afin de coordonner l’expression de certains gènes en fonction de leur densité de population. Ce système de communication, appelé Quorum Sensing (QS), se fait par l’intermédiaire de petites molécules appelées autoinducteurs (AI). Chez les bactéries pathogènes, les gènes régulés par le QS sont, en particulier, les facteurs de virulence. L’inhibition du QS apparaît donc comme une voie originale pour découvrir de nouveaux anti-bactériens ayant un mode d’action différent des antibiotiques classiques. Dans ce contexte, nous avons synthétisé deux nouvelles famil
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Lin, Chi-Chi. "Emissions of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate from latex paint." Thesis, 2006. http://hdl.handle.net/2152/2813.

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Λαδά, Ζωή. "Το μοντέλο των σκληρών και μαλακών οξέων και βάσεων ως εργαλείο στη χημεία των μοριακών ετερομεταλλικών μαγνητών". Thesis, 2014. http://hdl.handle.net/10889/8063.

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Τα ομομεταλικά σύμπλοκα που περιέχουν αποκλειστικά 3d μεταλλοϊόντα, καθώς και τα ετερομεταλλικά σύμπλοκα 3d/4f μεταλλοϊόντων αποτελούν σήμερα πόλο έλξης για τους ανόργανους χημικούς, λόγω των σημαντικών μαγνητικών, οπτικών και καταλυτικών τους ιδιοτήτων. Η χημεία των πολυπυρηνικών συμπλόκων (πλειάδων) των μετάλλων μετάπτωσης της 1ης Σειράς αποτελεί σήμερα ερευνητικό πεδίο αιχμής, καθώς προκύπτει από την αλληλοεπικάλυψη των επιστημών της Χημείας, της Βιολογίας και της Φυσικής, βρίσκοντας εφαρμογές σε τομείς όπως η Βιοανόργανη Χημεία, η Χημεία των Μοριακών Υλικών και η Νανοτεχνολογία. Ιδιαίτ
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Yeh, Jyun-Yi, and 葉俊毅. "De novo synthesis Pt-embedded MIL-53(Al)-NH2 derived Pt@Al2O3 composites for efficient furfural to 1,5-pentanediol conversion with assistance of NaBH4." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/mmdq35.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>106<br>1,5-Petanediol (1,5-PD) is an essential chemical for industrial production of polymer and is mainly derived from petroleum. Unfortunately, 1,5-pentanediol is a side product in petroleum process. Thus, the worldwide capacity is low, and with increasing demand, the price of 1,5-pentanediol rises. In order to enhance higher capacity, the synthesis of 1,5-pentanediol through biomass process. In the biomass process, 1,5-pentanediol is converted from furfural through the ring-opening hydrogenation process which requires severe conditions leading to large energy con
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Book chapters on the topic "Pentanedione"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of trinuclear nickel(II) complex with thiazolo-2,4-pentanedione." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54234-7_447.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of trinuclear nickel(II) complex with azolo-2,4-pentanedione." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54234-7_448.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of trinuclear copper(II) complex with thiazolo-2,4-pentanedione." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_569.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of trinuclear copper(II) complex with azolo-2,4-pentanedione." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_570.

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Mehrotra, R. C., and B. S. Saraswat. "From Bidentate and Polydentate Oxygen Donor Ligands (Crown Ethers, Macrocycles, 2,4-Pentanedione, etc.)." In Inorganic Reactions and Methods. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145203.ch61.

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Mehrotra, R. C., and B. S. Saraswat. "From Bidentate and Polydentate Oxygen Donor Ligands (From Polyethers and Crown Ethers, Macrocycles, 2,4-Pentanedione, etc.)." In Inorganic Reactions and Methods. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145203.ch10.

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Gooch, Jan W. "1,5-Pentanediol." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_8540.

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Lide, David R. "1,5-Pentanediol." In Handbook of Organic Solvents. CRC Press, 2024. http://dx.doi.org/10.1201/9781003575191-377.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of mixed ligand copper(II) chelate containing N, N-dimethyl-1, 2-diaminoethane and 3-cyano-2, 4-pentanedione." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49202-4_104.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of mixed ligand copper(II) chelate containing N, N-dimethyl- 1, 2-diaminoethane, 3-cyano-2, 4-pentanedione and isocyanide." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49202-4_100.

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Conference papers on the topic "Pentanedione"

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Umezaki, Tomonori, Isao Gunji, Yuta Takeda, and Isamu Mori. "Thermal dry-etching of nickel using oxygen and 1,1,1,5,5,5 - hexafluoro-2,4-pentanedione (Hhfac)." In 2016 IEEE 16th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2016. http://dx.doi.org/10.1109/nano.2016.7751359.

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Fedan, Jeffrey S., Janet A. Thompson, Eric J. Zaccone, and Ann F. Hubbs. "Complex Profile Of Mechanical Responses Of Guinea-Pig Isolated Airways To The Popcorn Butter Flavorings, Diacetyl And 2,3-Pentanedione." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a3250.

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Pogrebnoi, Vsevolod, Natalia Sucman, and Fliur Macaev. "The amides of dehydroabietic acid in synthesys of spiropyranes with the participation of carbonyl compounds." 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.ab16.

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The abstract presents the synthesis of new spiropyranes from substituted 5-aminoisatin 6 in multicomponent reaction with different carbonyl compounds. It is known that spiropyranes have various activities, which depend from spatial structure and substituents [1]. From the other side, previously mentioned dehydroabietic acid 1 [2] is interesting object to study due to its molecular structure, chemical and biological properties.Initially, our strategy was to obtain the substituted isatine 6 from easily accessible isatine 3. To implement that approach, previously obtained [2] 5-nitroisatine react
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Hacker, Henry D., Debra L. Yourick, Michael K. Koenig, Barbara S. Slusher, and James L. Meyerhoff. "Neuroprotection in rabbit retina with N-acetyl-aspartylglutamate and 2-phosphonyl-methyl pentanedioic acid." In BiOS '99 International Biomedical Optics Symposium, edited by Pascal O. Rol, Karen M. Joos, Fabrice Manns, Bruce E. Stuck, and Michael Belkin. SPIE, 1999. http://dx.doi.org/10.1117/12.350612.

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Ginting, Mimpin. "Synthesis 2-(3-Phenylallylidenamino) Pentanedioic Acid by Condensation of Cinnamaldehyde with Glutamic Acid and the Activity Test as Antibact." In International Conference on Chemical Science and Technology Innovation. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0008919702290233.

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Reports on the topic "Pentanedione"

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Adkins, Bruce, and Canan Karakaya. Catalytic Upgrading of Bio-based Furfural to 1,5-Pentanediol: A New Renewable Monomer for the Coatings Industry. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1997733.

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Karakaya, Canan. FINAL REPORT: DFO Computational Modeling Project: Catalytic Upgrading of Bio-based Furfural to 1,5-Pentanediol: A New Renewable Monomer for the Coatings Industry. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1965243.

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NIOSH skin notation profile: diacetyl and 2,3-pentanedione. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2022. http://dx.doi.org/10.26616/nioshpub2022116.

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Criteria for a recommended standard: occupational exposure to diacetyl and 2,3-pentanedione. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2016. http://dx.doi.org/10.26616/nioshpub2016111.

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Best practices: engineering controls, work practices, and exposure monitoring for occupational exposures to diacetyl and 2,3-pentanedione. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2015. http://dx.doi.org/10.26616/nioshpub2015197.

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NTP Technical Report on the Toxicity Studies of Acetoin (CASRN 513-86-0) and 2,3-Pentanedione (CASRN 600-14-6) Administered by Inhalation to Wistar Han [Crl:WI(Han)] Rats and B6C3F1/N Mice. National Institute of Environmental Health Sciences, 2023. http://dx.doi.org/10.22427/ntp-tox-98.

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