Academic literature on the topic 'Aromatic molecules; Benzaldehyde'

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Journal articles on the topic "Aromatic molecules; Benzaldehyde"

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Alata, I., R. Omidyan, C. Dedonder-Lardeux, M. Broquier, and C. Jouvet. "Electronically excited states of protonated aromatic molecules: benzaldehyde." Physical Chemistry Chemical Physics 11, no. 48 (2009): 11479. http://dx.doi.org/10.1039/b913422k.

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Bucko, Mihael, Uros Lacnjevac, and Jelena Bajat. "The influence of substituted aromatic aldehydes on Zn-Mn alloy electrodeposition." Journal of the Serbian Chemical Society 78, no. 10 (2013): 1569–81. http://dx.doi.org/10.2298/jsc130118025b.

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Additives are necessary in the electrodeposition of Zn-Mn alloys at high current density, in order to reduce hydrogen evolution reaction and prevent dendrite formation. The influence of two aromatic aldehydes, 4-hydroxy-benzaldehyde and 3,4-dimethoxy-benzaldehyde, as the additives in Zn-Mn plating electrolyte, is examined in this work. The coatings characterization by scanning electron microscopy and X-ray energy dispersive spectroscopy, as well as the examination of additives effect by electrochemical methods, indicate a complex involvement of additive molecules in hydrogen evolution, as well
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Kansiz, Sevgi, Digdem Tatlidil, Necmi Dege, Feyzi Alkim Aktas, Samir Osman Mohammed Al-Asbahy, and Aysen Alaman Agar. "Crystal structure and molecular docking study of (E)-2-{[(E)-2-hydroxy-5-methylbenzylidene]hydrazinylidene}-1,2-diphenylethan-1-one." Acta Crystallographica Section E Crystallographic Communications 77, no. 6 (2021): 658–62. http://dx.doi.org/10.1107/s2056989021005442.

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The title compound, C22H18N2O2, is a Schiff base that exists in the phenol–imine tautomeric form and adopts an E configuration with respect to the C=N bond. The molecular structure is stabilized by an O—H...N hydrogen bond, forming an S(6) ring motif. In the crystal, pairs of C—H...O hydrogen bonds link the molecules to form inversion dimers. Weak π–π stacking interactions along the a-axis direction provide additional stabilization of the crystal structure. The molecule is non-planar, the aromatic ring of the benzaldehyde residue being nearly perpendicular to the phenyl and 4-methylphenol ring
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Oliveira, Gabriela Porto de, Leandro Bresolin, Darlene Correia Flores, Renan Lira de Farias, and Adriano Bof de Oliveira. "Crystal structure of (2E)-3-[4-(dimethylamino)phenyl]-1-(thiophen-2-yl)prop-2-en-1-one." Acta Crystallographica Section E Crystallographic Communications 73, no. 4 (2017): 476–80. http://dx.doi.org/10.1107/s2056989017003437.

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The equimolar reaction between 4-(dimethylamino)benzaldehyde and 2-acetylthiophene in basic ethanolic solution yields the title compound, C15H15NOS, whose molecular structure matches the asymmetric unit. The molecule is not planar, the dihedral angle between the aromatic and the thiophene rings being 11.4 (2)°. In the crystal, molecules are linked by C—H...O and weak C—H...S interactions along [100], formingR22(8) rings, and by weak C—H...O interactions along [010], forming chains with aC(6) graph-set motif. In addition, molecules are connected into centrosymmetric dimers by weak C—H...π inter
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Theodoropoulou, Maria A., Nikolaos F. Nikitas, and Christoforos G. Kokotos. "Aldehydes as powerful initiators for photochemical transformations." Beilstein Journal of Organic Chemistry 16 (April 23, 2020): 833–57. http://dx.doi.org/10.3762/bjoc.16.76.

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Photochemistry, the use of light to promote organic transformations, has been known for more than a century but only recently has revolutionized the way modern chemists are thinking. Except from transition metal-based complexes, small organic molecules have been introduced as catalysts or initiators. In this review, we summarize the potential that (aromatic or aliphatic) aldehydes have as photoinitiators. The photophysical properties and photoreactivity of benzaldehyde are initially provided, followed by applications of aldehydes as initiators for polymerization reactions. Finally, the applica
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Rocco, Dalila, Catherine E. Housecroft, and Edwin C. Constable. "Synthesis of Terpyridines: Simple Reactions—What Could Possibly Go Wrong?" Molecules 24, no. 9 (2019): 1799. http://dx.doi.org/10.3390/molecules24091799.

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The preparation of 24-functionalized 12,22:26,32-terpyridines (4′-functionalized 3,2:6′,3″-terpyridines) by the reaction of three 4-alkoxybenzaldehydes with 3-acetylpyridine and ammonia was investigated; under identical reaction conditions, two (R =nC4H9, C2H5) gave the expected products whereas a third (R = nC3H7) gave only a cyclohexanol derivative derived from the condensation of three molecules of 3-acetylpyridine with two of 4-(n-propoxy)benzaldehyde. A comprehensive survey of “unexpected” products from reactions of ArCOCH3 derivatives with aromatic aldehydes is presented. Three different
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Girardi, Leury G. J., Michele Morsch, Ana E. Oliveira, Valdir Cechinel-Filho, and Clóvis Antonio Rodrigues. "Separation of Bioactive Biflavonoids from Rheedia gardneriana Using Chitosan Modified with Benzaldehyde." Zeitschrift für Naturforschung C 60, no. 5-6 (2005): 408–10. http://dx.doi.org/10.1515/znc-2005-5-607.

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This paper shows the influence of benzenic groups on the chitosan surface for the separation of bioactive biflavonoids from Rheedia gardneriana leaves. The yield of the biflavonoids using chitin modified with benzaldehyde (CH-Bz) as adsorbent in column chromatography was higher than that achieved with silica gel and chitosan. The presence of benzenic groups decreases the polarity of chitosan and consequently the interaction of hydrogen bonding between phenolic hydroxyl (OH) of biflavonoids and amine groups of the adsorbent. Therefore, the separation of these compounds appears to be the result
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Arshad, Uzma, Sibtain Ahmed, Nusrat Shafiq, et al. "Structure-Based Designing, Solvent Less Synthesis of 1,2,3,4-Tetrahydropyrimidine-5-carboxylate Derivatives: A Combined In Vitro and In Silico Screening Approach." Molecules 26, no. 15 (2021): 4424. http://dx.doi.org/10.3390/molecules26154424.

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Objective: In this study, small molecules possessing tetrahydropyrimidine derivatives have been synthesized having halogenated benzyl derivatives and carboxylate linkage. As previously reported, FDA approved halogenated pyrimidine derivatives prompted us to synthesize novel compounds in order to evaluate their biological potential. Methodology: Eight pyrimidine derivatives have been synthesized from ethyl acetoacetate, secondary amine, aromatic benzaldehyde by adding catalytic amount of CuCl2·2H2O via solvent less Grindstone multicomponent reagent method. Molecular structure reactivity and vir
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Guerrero-Villalobos, Liliana Rocio, and Fabián Orozco LĂłpez. "RATIONAL DESIGN, SYNTHESIS AND CHARACTERIZATION OF HYBRID MOLECULES WITH PYRAZOLINE, PYRIMIDINE AND THIAZOLIDINE NUCLEI AS POTENTIAL ANTIBACTERIAL AGENTS." CBU International Conference Proceedings 5 (September 24, 2017): 1096–103. http://dx.doi.org/10.12955/cbup.v5.1077.

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In this paper, a set of computational tools were used to design and evaluate molecular structures resulting from the combination of the biologically interesting pyrazoline, aminopyrimidine and thiazolidine nuclei (molecular modification) to obtain new bioactive compounds. Key physicochemical properties were calculated (absorption, distribution, metabolism, excretion and toxicity), to determine the bioavailability of the designed compounds and to perform a preselection of 12 derivatives which were then optimized and studied by molecular docking with the receptor PBP3 (4bjp) from Escherichia col
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Panoutsopoulos, Georgios I., and Christine Beedham. "Kinetics and specificity of guinea pig liver aldehyde oxidase and bovine milk xanthine oxidase towards substituted benzaldehydes." Acta Biochimica Polonica 51, no. 3 (2004): 649–63. http://dx.doi.org/10.18388/abp.2004_3550.

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Molybdenum-containing enzymes, aldehyde oxidase and xanthine oxidase, are important in the oxidation of N-heterocyclic xenobiotics. However, the role of these enzymes in the oxidation of drug-derived aldehydes has not been established. The present investigation describes the interaction of eleven structurally related benzaldehydes with guinea pig liver aldehyde oxidase and bovine milk xanthine oxidase, since they have similar substrate specificity to human molybdenum hydroxylases. The compounds under test included mono-hydroxy and mono-methoxy benzaldehydes as well as 3,4-dihydroxy-, 3-hydroxy
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Dissertations / Theses on the topic "Aromatic molecules; Benzaldehyde"

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Smith, Derek John. "Femtosecond Laser Mass Spectrometry (FLMS)." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264149.

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