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Relevant bibliographies by topics / Ethyl hydrogen ester

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Journal articles

Academic literature on the topic 'Ethyl hydrogen ester'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Ethyl hydrogen ester"

1

Opitz, Joachim, A. Stephen K. Hashmi, Burkhard Miehlich, and Michael Wölfle. "Electron-induced ionization of undeuterated and deuterated benzoic acid isopropyl esters and nicotinic acid isopropyl esters: Some implications for the mechanism of the McLafferty rearrangement." European Journal of Mass Spectrometry 26, no. 1 (2019): 3–24. http://dx.doi.org/10.1177/1469066719857994.

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Electron ionization mass spectra, ionization, and appearance energies and bond energies (as dissociation energies) are reported for benzoic acid-1-methyl-ethyl ester (BAIPE), benzoic acid-1-deutero-1-methyl-ethyl ester (BAIPED1), benzoic acid-2,2,2-trideutero-1-trideuteromethyl-ethyl ester (BAIPED6) as well as nicotinic acid-1-methyl-ethyl ester (NAIPE), nicotinic acid-1-deutero-1-methyl-ethyl ester (NAIPED1), and nicotinic acid-2,2,2-trideutero-1-trideuteromethyl-ethyl ester (NAIPED6). Ionization energies of 9.39 eV for BAIPE, 9.40 eV for BAIPED1, 9.26 eV for BAIPED6 as well as 9.70 eV for NA

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2

Kolev, Tsonko, Emiliya Cherneva, Michael Spiteller, William S. Sheldrick, and Heike Mayer-Figge. "L-Methioninamide ester amide of squaric acid diethyl ester." Acta Crystallographica Section E Structure Reports Online 62, no. 4 (2006): o1390—o1392. http://dx.doi.org/10.1107/s1600536806008440.

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Molecules of the title compound, 2-(2-ethoxy-3,4-dioxocyclobutenylamino)-2-[2-(methylsulfanyl)ethyl]acetamide, C11H16N2O4S, are connected into chains in the [010] direction by intermolecular N—H...O hydrogen bonds involving the L-methioninamide N atoms and its carbonyl O atom.

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3

Beuchel, Andreas, Richard Goddard, Peter Imming, and Rüdiger W. Seidel. "A solid solution of ethyl and d 3-methyl 2-[(4-methylpyridin-2-yl)amino]-4-(pyridin-2-yl)thiazole-5-carboxylate." Acta Crystallographica Section E Crystallographic Communications 76, no. 8 (2020): 1255–59. http://dx.doi.org/10.1107/s2056989020008956.

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The synthesis of ethyl 2-[(4-methylpyridin-2-yl)amino)-4-(pyridin-2-yl)thiazole- 5-carboxylate via the Hantzsch reaction and partial in situ transesterification during recrystallization from methanol-d 4 to the d 3-methyl ester, resulting in the title solid solution, ethyl 2-[(4-methylpyridin-2-yl)amino)-4-(pyridin-2-yl)thiazole-5-carboxylate–d 3-methyl 2-[(4-methylpyridin-2-yl)amino)-4-(pyridin-2-yl)thiazole-5-carboxylate (0.88/0.12), 0.88C17H16N4O2S·0.12C16D3H11N4O2S, is reported. The refined ratio of ethyl to d 3-methyl ester in the crystal is 0.880 (6):0.120 (6). The pyridine ring is signi

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4

Langer, Dominik, Barbara Wicher, Wojciech Szczołko, Maria Gdaniec, and Ewa Tykarska. "Self-assembly modes of glycyrrhetinic acid esters in view of the crystal packing of related triterpene molecules." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 72, no. 4 (2016): 584–92. http://dx.doi.org/10.1107/s2052520616008180.

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The crystal structures of three ester derivatives of glycyrrhetinic acid (GE) are reported. X-ray crystallography revealed that despite differences in the size of the ester substituents (ethyl, isopropyl and 2-morpholinoethyl) the scheme of molecular self-assembly is similar in all three cases but differs significantly from that observed in other known GE esters. According to our analysis, the two basic patterns of self-assembly of GE esters observed in their unsolvated crystals correspond to two distinct orientations of the ester groups relative to the triterpene backbone. Moreover, compariso

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5

Lutter, Michael, Lukas M. Stratmann, and Klaus Jurkschat. "The tert-butylaminomethyl(mesityl)phosphinic acid ester and formation of its zinc dichloride complex: syntheses and characterization." Main Group Metal Chemistry 41, no. 3-4 (2018): 109–13. http://dx.doi.org/10.1515/mgmc-2018-0014.

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Abstract The syntheses and structures of tert-butylaminomethyl(mesityl)phosphinic acid ethyl ester 2 and its zinc dichloride complex 3 are reported. In the solid state, both compounds are dimeric via hydrogen bridges. In the complex 3, the phosphinic acid ester 2 coordinates the zinc dichloride diastereoselectively.

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6

Salorinne, Kirsi, Tanja Lahtinen, Varpu Marjomäki, and Hannu Häkkinen. "Polymorphic and solvate structures of ethyl ester and carboxylic acid derivatives of WIN 61893 analogue and their stability in solution." CrystEngComm 16, no. 38 (2014): 9001–9. http://dx.doi.org/10.1039/c4ce01152j.

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7

Lough, Alan J., Karine Villeneuve, and William Tam. "Absolute configuration of the p-nitrobenzoate ester of the cycloadduct of (S)-4-hydroxy-2-pentynoate and acetic acid 8-acetoxy-1,4-dihydro-1,4-methanonapththalen-5-yl ester." Acta Crystallographica Section E Structure Reports Online 62, no. 7 (2006): o2846—o2847. http://dx.doi.org/10.1107/s1600536806022021.

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The regio- and absolute stereochemistry of the title compound, ethyl 3,6-diacetoxy-11-[1-(4- nitrobenzoyloxy)ethyl]tetracyclo[6.4.1.02,7.09,12]trideca-2,4,6,10-tetraene-10-carboxylate, C29H27O10, has been established. In the crystal structure, weak intermolecular hydrogen bonds link molecules into a three-dimensional network.

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8

Zhao, Yan, Xiaomin Sun, Wenxing Wang, and Laixiang Xu. "Quantum chemical study on the atmospheric photooxidation of ethyl acetate." Canadian Journal of Chemistry 92, no. 9 (2014): 814–20. http://dx.doi.org/10.1139/cjc-2014-0199.

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The mechanism for OH radical initiated atmospheric photoxidation reaction of ethyl acetate was carried out by using the density functional theory method. Geometries have been optimized at the B3LYP level with a standard 6-31G(d,p) basis set. The single-point energy calculations have been performed at the MP2/6-31G(d), MP2/6-311++G(d,p), and CCSD(T)/6-31G(d) levels, respectively. All of the possible degradation channels involved in the oxidation of ethyl acetate by OH radicals have been presented and discussed. Among the five possible hydrogen abstraction pathways of the reaction of ethyl aceta

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9

Viswanathan, Vijayan, Mani Karthik Ananth, S. Narasimhan, and Devadasan Velmurugan. "Crystal structures of (E)-4-[1-(2-carbamothioylhydrazinylidene)ethyl]phenyl acetate and (E)-4-[1-(2-carbamothioylhydrazinylidene)ethyl]phenyl benzoate." Acta Crystallographica Section E Crystallographic Communications 73, no. 1 (2017): 20–23. http://dx.doi.org/10.1107/s2056989016018983.

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In the title compounds, C11H13N3O2S, (I), and C16H15N3O2S, (II), the thiosemicarbazone group adopts an extended conformation. The acetate ester (I) crystallizes with two independent molecules in the asymmetric unit. In the benzoate ester (II), the planes of the two aryl rings are inclined to one another by 46.70 (7)°. In both compounds, there is a short intramolecular N—H...N contact present, forming anS(5) ring motif. In the crystals of both compounds, molecules are linkedviapairs of N—H...S hydrogen bonds, forming dimers withR22(8) ring motifs. The dimers are linked by N—H...S and N—H...O hy

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10

Bai, Xiao-Guang, and Ju-Xian Wang. "tert-ButylN-[2-(N-isobutyl-4-methoxybenzenesulfonamido)ethyl]carbamate." Acta Crystallographica Section E Structure Reports Online 70, no. 6 (2014): o674. http://dx.doi.org/10.1107/s1600536814009143.

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The title compound, C18H30N2O5S, was synthesized by the reaction oftert-butyl 2-(isobutylamino)ethylcarbamate withp-methoxyphenylsulfonyl chloride. In the molecule, two intramolecular C—H...O hydrogen bonds are observed. In the crystal, molecules are linked by N—H...O hydrogen bonds involving the imino group N atom and the ester group O atom into chains running parallel to thebaxis. The chains are further connected by C—H...O hydrogen bonds, forming layers parallel to thebcplane.

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