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Relevant bibliographies by topics / Amino-carboxylic

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Journal articles

Academic literature on the topic 'Amino-carboxylic'

Author: Grafiati

Published: 1 April 2023

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Journal articles on the topic "Amino-carboxylic"

1

Siutkina, Alena I., Ramiz R. Makhmudov, and Daria A. Shipilovskikh. "Synthesis and analgesic activity evaluation of derivatives of 2-[(1,4-dioxo-1-amino-4-arylbutyl-2-en-2-yl)amino]-4,5,6,7-tetrahydrobenzo[<i>b</i>]thiophene-3-carboxylic acid." Chimica Techno Acta 8, no. 4 (2021): 20218404. http://dx.doi.org/10.15826/chimtech.2021.8.4.04.

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The synthesis of new derivatives of 2-[(1,4-dioxo-1-amino-4-arylbutyl-2-en-2-yl)amino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid is described. Starting 2-{[5-aryl-2-oxofuran-3(2H)-ylidene]amino}thiophene-3-carboxylic acids were obtained by intramolecular cyclisation of substituted 4-aryl-4-oxo-2-thienylaminobut-2-enoic acids in acetic anhydride. New derivatives of 2-[(1,4-dioxo-1-amino-4-arylbutyl-2-en-2-yl)amino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acids were obtained via decyclization reaction of 2-{[5-aryl-2-oxofuran-3(2H)-ylidene]amino}thiophene-3-carboxylic acids.

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2

Кудрявский, Дмитрий Леонович, Елена Константиновна Фомина, Людмила Юльевна Тычинская, Евгений Доминикович Скаковский та Светлана Евгеньевна Богушевич. "NMR spectroscopy of Cu(II) complexes with acrylamide and sodium acrylate copolymer and ω-amino acids". Journal of the Belarusian State University. Chemistry, № 1 (12 квітня 2021): 85–98. http://dx.doi.org/10.33581/2520-257x-2021-1-85-98.

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Macromolecular complexes of acrylamide and sodium acrylate copolymer with microelements, including Cu(II), may form at preparation of crop protection and stimulation compositions, where the copolymer serves as an adhesive, water-retaining and film-forming agent. Preparations for crop production may also contain amino acids that protect plants under stressful conditions (cold, dry, etc.). Carboxylic groups of copolymer, carboxylic and amino groups of amino acids may be involved in mixed Cu(II) ions complexes formation. Number of methylene groups separating carboxylic and amino group of amino ac

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3

Lynch, Daniel E., Tariq Latif, Graham Smith, Karl A. Byriel, Colin H. L. Kennard, and Simon Parsons. "Molecular Cocrystals of Carboxylic Acids. XXXI Adducts of 2-Aminopyrimidine and 3-Amino-1,2,4-triazole with Heterocyclic Carboxylic Acids." Australian Journal of Chemistry 51, no. 5 (1998): 403. http://dx.doi.org/10.1071/c97201.

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A series of molecular adducts of 2-aminopyrimidine and 3-amino-1,2,4-triazole with heterocyclic carboxylic acids have been prepared and characterized by using X-ray powder diffraction and in four cases by single-crystal X-ray diffraction methods. These four compounds are the (1 : 1) adducts of 2-aminopyrimidine with indole-3-acetic acid [(C4H5N3)(C10H9NO2)], N-methylpyrrole-2-carboxylic acid [(C4H5N3)(C6H7NO2)] and thiophen-2-carboxylic acid [(C4H5N3)(C5H4O2S)], and the (1 : 1) adduct of 3-amino-1,2,4-triazole with thiophen-2-carboxylic acid [(C2H4N4)(C5H4O2S)]. Other compounds described are t

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4

Shahmohammadi, Sayeh, Ferenc Fülöp та Enikő Forró. "Efficient Synthesis of New Fluorinated β-Amino Acid Enantiomers through Lipase-Catalyzed Hydrolysis". Molecules 25, № 24 (2020): 5990. http://dx.doi.org/10.3390/molecules25245990.

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An efficient and novel enzymatic method has been developed for the synthesis of β-fluorophenyl-substituted β-amino acid enantiomers through lipase PSIM (Burkholderia cepasia) catalyzed hydrolysis of racemic β-amino carboxylic ester hydrochloride salts 3a–e in iPr2O at 45 °C in the presence of Et3N and H2O. Adequate analytical methods were developed for the enantio-separation of racemic β-amino carboxylic ester hydrochlorides 3a–e and β-amino acids 2a–e. Preparative-scale resolutions furnished unreacted amino esters (R)-4a–e and product amino acids (S)-5a–e with excellent ee values (≥99%) and g

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5

Wermuth, Urs D., Ian D. Jenkins, Raymond C. Bott, Karl A. Byriel, and Graham Smith. "Some Stereochemical Aspects of the Strecker Synthesis and the Bucherer - Bergs Reaction." Australian Journal of Chemistry 57, no. 5 (2004): 461. http://dx.doi.org/10.1071/ch03202.

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Both the Strecker and Bucherer–Bergs reactions convert the norbornane keto ester methyl bicyclo[2.2.1]hept-6-one-2-endo-carboxylate into the lactam 6-endo-aminobicyclo[2.2.1]heptane-2-endo-carboxylic acid-γ-lactam-6-exo-carboxylic acid. This lactam is unusually stable and cannot be hydrolyzed to the corresponding amino acid. The stereochemistry in the Strecker reaction, in which the amino group is endo, is contrary to that expected from literature precedent. The stereochemistry in the Bucherer–Bergs reaction, in which the amino group is also endo, has been confirmed by X-ray crystallographic a

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6

Lynch, Daniel E., Laura J. Nicholls, Graham Smith, Karl A. Byriel, and Colin H. L. Kennard. "Molecular co-crystals of 2-aminothiazole derivatives." Acta Crystallographica Section B Structural Science 55, no. 5 (1999): 758–66. http://dx.doi.org/10.1107/s0108768199003146.

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A series of molecular adducts of 2-aminothiazole derivatives – 2-aminothiazole, 2-amino-2-thiazoline and 2-aminobenzothiazole with the carboxylic-acid-substituted heterocyclics indole-2-carboxylic acid, N-methylpyrrole-2-carboxylic acid and thiophene-2-carboxylic acid – have been prepared and characterized using X-ray powder diffraction and in five cases by single-crystal X-ray diffraction methods. These five compounds are the adducts of 2-amino-2-thiazolium with indole-2-carboxylate [(C3H7N2S)+(C9H6NO2)−], and N-methylpyrrole-2-carboxylate [(C3H7N2S)+-(C6H6NO2)−], 2-aminobenzothiazolium with

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7

Adams, Jerry L., Teng Man Chen, and Brian W. Metcalf. "4-Amino-4,5-dihydrothiophene-2-carboxylic acid." Journal of Organic Chemistry 50, no. 15 (1985): 2730–36. http://dx.doi.org/10.1021/jo00215a027.

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8

LI, JORGE P., TOBIAS O. YELLIN, CHARLES W. DEBROSSE, and DRAKE S. EGGLESTON. "3-Amino-2-piperidinone-6-carboxylic acid." International Journal of Peptide and Protein Research 34, no. 4 (2009): 311–18. http://dx.doi.org/10.1111/j.1399-3011.1989.tb01580.x.

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9

Steinschneider, A., B. Valentine, M. I. Burgar, and D. Fiat. "NMR of carboxylic-17O in amino acids." Magnetic Resonance in Chemistry 23, no. 2 (1985): 104–10. http://dx.doi.org/10.1002/mrc.1260230211.

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10

Moustafa, Moustafa Sherief, Saleh Mohammed Al-Mousawi, Maghraby Ali Selim, Ahmed Mohamed Mosallam, and Mohamed Hilmy Elnagdi. "Organobase-catalyzed three-component reactions for the synthesis of 4H-2-aminopyrans, condensed pyrans and polysubstituted benzenes." Beilstein Journal of Organic Chemistry 10 (January 14, 2014): 141–49. http://dx.doi.org/10.3762/bjoc.10.11.

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Novel routes for the preparation of 2-amino-4H-pyran-3-carbonitrile 9, amino-arylbenzoic acid ester derivatives 13a,b, 2-aminotetrahydro-4H-chromene-3-carbonitrile 18, 3-amino-4-cyanotetrahydronaphthalene-2-carboxylic acid ester 26 and 4-amino-3,5-dicyanophthalic acid ester derivatives 37a–c were developed. The synthetic methods utilize one-pot reactions of acetylene carboxylic acid esters, α,β-unsaturated nitriles and/or active methylenenitriles in the presence of L-proline or DABCO. Plausible mechanisms are suggested for the formation of the products. Finally, these compounds were used for t

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