Relevant bibliographies by topics / C–N atropisomers

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'C–N atropisomers'

Author: Grafiati
Published: 30 November 2024

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Journal articles on the topic "C–N atropisomers"

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Xiao, Xiao, Biao Chen, Yi-Ping Yao, et al. "Construction of Non-Biaryl Atropisomeric Amide Scaffolds Bearing a C–N Axis via Enantioselective Catalysis." Molecules 27, no. 19 (2022): 6583. http://dx.doi.org/10.3390/molecules27196583.

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The significant scaffold offered by atropisomeric amides with a C–N chiral axis has been extensively utilized for pharmaceuticals, agricultural science, and organic syntheses. As a result, the field of atropisomer synthesis has attracted considerable interest within chemistry communities. To date, a range of catalytic atroposelective approaches has been reported for the efficient construction of these challenging scaffolds. However, greatly concise and highly useful methodologies for the synthesis of these atropisomeric compounds, focusing on transition-metal, chiral amine, and phosphoric acid
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2

Bonne, Damien, and Jean Rodriguez. "Enantioselective syntheses of atropisomers featuring a five-membered ring." Chemical Communications 53, no. 92 (2017): 12385–93. http://dx.doi.org/10.1039/c7cc06863h.

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If six-membered ring biaryl or heterobiaryl atropisomers are the most common ones, the focus of this feature article will be put on the enantioselective approaches towards five-membered ring containing atropisomers displaying either a stereogenic C–N- or C–C bond.
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3

Wang, Donglei, Qianwen Jiang, and Xiaoyu Yang. "Atroposelective synthesis of configurationally stable nonbiaryl N–C atropisomers through direct asymmetric aminations of 1,3-benzenediamines." Chemical Communications 56, no. 46 (2020): 6201–4. http://dx.doi.org/10.1039/d0cc02368j.

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Faisca Phillips, Ana Maria, and Armando J. L. Pombeiro. "Atropselective Organocatalytic Synthesis of Chiral Compounds Containing Nitrogen along the Axis of Chirality." Symmetry 15, no. 6 (2023): 1261. http://dx.doi.org/10.3390/sym15061261.

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Atropisomers, i.e., stereoisomers that are distinct because their free rotation about a single bond is hindered by steric interactions between nearby bulky groups or by electrostatics, may interact with their surroundings in different ways, and may also exhibit different properties. They may be found as natural products, as pharmaceutical or agricultural active ingredients, as chiral ligands and organocatalysts, and in functional materials. Our ability to synthesize them stereoselectively and in a sustainable way, using achiral materials and simply with the aid of an organocatalyst and mild co
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5

Jiayong, Zhang, and Liu Xin-Yuan. "Single-Step Synthesis of Atropisomers with Vicinal C—C and C—N Diaxes via Cobalt-Catalyzed C—H Activation." Chinese Journal of Organic Chemistry 42, no. 11 (2022): 3899. http://dx.doi.org/10.6023/cjoc202200062.

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6

Monteiro, Carlos J. P., Mariette M. Pereira, Nuno P. F. Gonçalves, et al. "Separation and atropisomer isolation of ortho-halogenated tetraarylporphyrins by HPLC: Full characterization using 1D and 2D NMR." Journal of Porphyrins and Phthalocyanines 16, no. 03 (2012): 316–23. http://dx.doi.org/10.1142/s1088424612500368.

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The separation and isolation of the four atropisomers of ortho-halogenated tetraarylporphyrins by semi-preparative HPLC is described. Full characterization and assignment of all 1 H and 13 C resonances of 5,10,15,20-tetrakis(2-fluoro or 2-chlorophenyl)porphyrins and 5,10,15,20-tetrakis(2-fluoro or chloro-5-N-ethylsulfamoylphenyl)porphyrins by 1D and 2D NMR techniques is reported. The outcome is an unequivocal evidence of the chlorosulfonation of meso-tetra(2-haloaryl)porphyrins on the 5′-position.
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7

Jia, Zhen-Sheng, Yong-Jie Wu, Qi-Jun Yao, Xue-Tao Xu, Kun Zhang, and Bing-Feng Shi. "Pd(II)-Catalyzed Atroposelective C–H Allylation: Synthesis of Enantioenriched N-Aryl Peptoid Atropisomers." Organic Letters 24, no. 1 (2021): 304–8. http://dx.doi.org/10.1021/acs.orglett.1c03967.

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Wu, Yong-Jie, Pei-Pei Xie, Gang Zhou, Qi-Jun Yao, Xin Hong, and Bing-Feng Shi. "Atroposelective synthesis of N-aryl peptoid atropisomers via a palladium(ii)-catalyzed asymmetric C–H alkynylation strategy." Chemical Science 12, no. 27 (2021): 9391–97. http://dx.doi.org/10.1039/d1sc01130h.

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9

Hasegawa, Futoshi, Kazushi Kawamura, Hiroshi Tsuchikawa, and Michio Murata. "Stable C–N axial chirality in 1-aryluracil scaffold and differences in in vitro metabolic clearance between atropisomers of PDE4 inhibitor." Bioorganic & Medicinal Chemistry 25, no. 16 (2017): 4506–11. http://dx.doi.org/10.1016/j.bmc.2017.06.042.

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10

Bain, Alex D., Hao Chen, and Paul H. M. Harrison. "Studies of structure and dynamics in a nominally symmetric twisted amide by NMR and electronic structure calculations." Canadian Journal of Chemistry 84, no. 3 (2006): 421–28. http://dx.doi.org/10.1139/v06-016.

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Amides that are twisted around the C—N bond show unusual spectroscopy and reactivity when compared with planar amides. The diacyl derivatives of 3,4,7,8-tetramethyl-2,5-dithioglycoluril are intriguing examples of this class, since the crystal structures show that the two acyl groups are twisted by different amounts on either side of the molecule owing to a combination of steric and electronic effects. However, the 1H NMR spectra in solution at room temperature exhibit only one acyl resonance, so there must be fast interconversion among pairs of equivalent structures of each compound. We have p
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Dissertations / Theses on the topic "C–N atropisomers"

1

Marchal, Lucas. "Synthèse de nouveaux candidats médicamenteux présentant une chiralité axiale C-N par le développement de nouveaux couplages C-N atroposélectifs." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF029.

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Les composés à chiralité axiale C–N ont démontré un potentiel significatif dans divers domaines, en particulier dans l'industrie pharmaceutique. Cependant, il existe actuellement peu de méthodologies connues permettant d’accéder à ces composés, et elles sont généralement limitées à des structures moléculaires très spécifiques. Afin de préparer de nouveaux atropisomères C–N d'intérêt, des méthodologies synthétiques innovantes doivent être développées. À cette fin, nous avons concentré nos efforts sur l'utilisation de sels de diaryliodonium comme partenaires de couplage hautement réactifs, ce qu
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