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Artículos de revistas sobre el tema "N-Aryl aldimines"

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1

Beng, Timothy K., Jorge Garcia, Jane Eichwald, and Claire Borg. "Introducing a sulfone-embedded anhydride to the anhydride-imine reaction for the modular synthesis of N-heterocyclic sulfones bearing vicinal stereocenters." RSC Advances 13, no. 21 (2023): 14355–60. http://dx.doi.org/10.1039/d3ra01812a.

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2

Rohit, Kumar, Paul Piyali, and Bhattacharya Samaresh. "N-(Aryl)pyrrole-2-aldimine complexes of ruthenium: Synthesis, characterization and catalytic transfer-hydrogenation." Journal of Indian Chemical Society Vol. 95, Jul 2018 (2018): 721–28. https://doi.org/10.5281/zenodo.5638362.

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Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata-700 032, India <em>E</em>-<em>mail:</em> samaresh_b@hotmail.com <em>Manuscript received 28 June 2018, accepted 10 July 2018</em> Reaction of N-(4&#39;-R-phenyl)pyrrole-2-aldimines (HL-R, where H represents the acidic N-H hydrogen and, R = OCH<sub>3</sub>, CH<sub>3</sub>, H and CI) with [Ru(bpy)<sub>2</sub>(EtOH)<sub>2</sub>]<sup>2+</sup>, formed <em>in situ</em> via Ag<sup>+</sup>-assisted removal of the chlorides from [Ru(bpy)<sub>2</sub>Cl<sub>2</sub>] in ethanolic me&shy;dium, affords a group of pinkish-brown
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3

Kostryukov, S. G., V. A. Kalyazin, P. S. Petrov, E. V. Bezrukova, and N. V. Somov. "1,3-dipolar cycloaddition as a method for the synthesis of dipyrrolidinyl- and dipyrrolylketones." Журнал общей химии 94, no. 4 (2024): 469–88. http://dx.doi.org/10.31857/s0044460x24040028.

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In the reactions of 1,3-dipolar cycloaddition of a twofold excess of aryl aldimines of glycine ethyl ester with diarylideneacetones and diarylidenecyclohexanones in the presence of silver acetate, the corresponding dipyrrolidinylketones were obtained. Diethyl 4,4′-carbonylbis(3,5-diarylpyrrolidine-2-carboxylates) obtained from diarylideneacetones undergo aromatization under the action of N-bromosuccinimide to form diethyl 4,4′-carbonylbis(3,5-diaryl-1H-pyrrole-2-carboxylates). The selectivity of the reactions and the structure of the products were determined using correlation NMR spectroscopy
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4

Denmark, Scott, and Hyung Chi. "Synthesis of 2-Alkenyl-Tethered Anilines." Synthesis 49, no. 13 (2017): 2873–88. http://dx.doi.org/10.1055/s-0036-1589002.

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Three general routes for the synthesis of (E)-2-alkenyl-tethered anilines have been developed. The first route involves a 3-aza-Cope rearrangement of N-allylic anilines in the presence of a Lewis acid. The requisite N-allylic anilines were prepared by the addition of vinylmagnesium reagents to the corresponding aldimines. The second route details a direct cross-metathesis of 2-allylic or 2-homoallylic anilines with styrenes. The third route involves a palladium-catalyzed C–N cross-coupling of aryl halides. Taken together, these three strategies allowed access to the requisite aniline substrate
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5

Li, Yang, Bi-Jie Li, Wen-Hua Wang, et al. "Rhodium-Catalyzed Direct Addition of Aryl CH Bonds to N-Sulfonyl Aldimines." Angewandte Chemie International Edition 50, no. 9 (2011): 2115–19. http://dx.doi.org/10.1002/anie.201007464.

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6

Li, Yang, Bi-Jie Li, Wen-Hua Wang, et al. "Rhodium-Catalyzed Direct Addition of Aryl CH Bonds to N-Sulfonyl Aldimines." Angewandte Chemie 123, no. 9 (2011): 2163–67. http://dx.doi.org/10.1002/ange.201007464.

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7

Seth, Dipravath Kumar, and Samaresh Bhattacharya. "Copper(I) complexes of N-(aryl)pyridine-2-aldimines: Spectral, electrochemical and catalytic properties." Polyhedron 30, no. 15 (2011): 2438–43. http://dx.doi.org/10.1016/j.poly.2011.05.037.

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8

Li, Yang, Bi-Jie Li, Wen-Hua Wang, et al. "ChemInform Abstract: Rhodium-Catalyzed Direct Addition of Aryl C-H Bonds to N-Sulfonyl Aldimines." ChemInform 42, no. 26 (2011): no. http://dx.doi.org/10.1002/chin.201126087.

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9

Jit, Karmakar, Barua Trisha, Paul Piyali, and Bhattacharya Samaresh. "Interaction of N-(aryl)pyrrole-2-aldimines with Ru(0) : Synthesis, structure and, spectral and electrochemical properties of the resulting complexes." Journal of Indian Chemical Society Vol. 92, Dec 2015 (2015): 1993–99. https://doi.org/10.5281/zenodo.5602564.

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Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata-700 032, India <em>E-mail</em> : samaresh_b@hotmail.com Reaction of N-(4&acute;-R-phenyl)pyrrole-2-aldimines (HL-R, where H represents the pyrrole N-H hydrogen and, R = OCH<sub>3</sub> , CH<sub>3</sub> , H and Cl) with [Ru(PPh<sub>3</sub> )<sub>2</sub> (CO)<sub>3</sub> ] in refluxing toluene affords a group of yellow complexes of type [Ru(L-R)(PPh<sub>3</sub> )<sub>2</sub> (CO)(H)], in which the imine-ligand (L-R) is coordinated to the metal center as a mono-anionic bidentate NN-donor along with two triphenylpho
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10

Zhao, Gui-Ling, and Min Shi. "Baylis–Hillman reactions of N-tosyl aldimines and aryl aldehydes with 3-methylpenta-3,4-dien-2-one." Organic & Biomolecular Chemistry 3, no. 20 (2005): 3686. http://dx.doi.org/10.1039/b510572b.

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11

Paul, Piyali, and Samaresh Bhattacharya. "Iridium mediated N–H and C–H bond activation of N-(aryl)pyrrole-2-aldimines. Synthesis, structure and, spectral and electrochemical properties." Journal of Organometallic Chemistry 713 (August 2012): 72–79. http://dx.doi.org/10.1016/j.jorganchem.2012.04.023.

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12

Mitra, Kamala, Subhendu Biswas, Shyamal Kumar Chattopadhyay, C. Robert Lucas, and Bibhutosh Adhikary. "Synthesis and X-ray Crystal Structures of Two Luminescent Imidazopyridinium Derivatives from the Corresponding N-(aryl)-Pyridine-2-aldimines." Journal of Chemical Crystallography 37, no. 8 (2007): 567–71. http://dx.doi.org/10.1007/s10870-007-9212-y.

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13

Curti, Claudio, Lucia Battistini, Beatrice Ranieri, et al. "ChemInform Abstract: anti-Selective, Catalytic Asymmetric Vinylogous Mukaiyama Mannich Reactions of Pyrrole-Based Silyl Dienolates with N-Aryl Aldimines." ChemInform 42, no. 27 (2011): no. http://dx.doi.org/10.1002/chin.201127115.

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14

Ishiyama, Tatsuo, and John Hartwig. "ChemInform Abstract: A Heck-Type Reaction Involving Carbon-Heteroatom Double Bonds. Rhodium(I)-Catalyzed Coupling of Aryl Halides with N-Pyrazyl Aldimines." ChemInform 32, no. 16 (2001): no. http://dx.doi.org/10.1002/chin.200116114.

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15

Tomaszewski, MJ, J. Warkentin, and NH Werstiuk. "Free-Radical Chemistry of Imines." Australian Journal of Chemistry 48, no. 2 (1995): 291. http://dx.doi.org/10.1071/ch9950291.

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Aryl radicals bearing an aldimino functional group as part of an ortho substituent cyclized by addition to C and/or N of the imino group. When the choice was between 5-exo closure to C and 6-endo closure to N, the former predominated. However, 6-endo closure to C predominated over 5-exo cyclization to N in isomeric imines. Absolute values of cyclization rate constants were determined and an explanation for the unusual 6-endo preference is offered. Chiral induction in 6-endo cyclization to C of an aldimine from D-glyceraldehyde acetonide was observed, and its sense was determined.
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16

Dey, Bikash Kali, Jayita Dutta, Michael G. B. Drew, and Samaresh Bhattacharya. "Chloro-ruthenium complexes with carbonyl and N-(aryl)pyridine-2-aldimines as ancillary ligands. Synthesis, characterization and catalytic application in C–C cross-coupling of arylaldehydes with arylboronic acids." Journal of Organometallic Chemistry 750 (January 2014): 176–84. http://dx.doi.org/10.1016/j.jorganchem.2013.11.019.

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17

Dey, Bikash Kali, Jayita Dutta, Michael G. B. Drew, and Samaresh Bhattacharya. "ChemInform Abstract: Chloro-Ruthenium Complexes with Carbonyl and N-(Aryl)pyridine-2-aldimines as Ancillary Ligands. Synthesis, Characterization and Catalytic Application in C-C Cross-Coupling of Arylaldehydes with Arylboronic Acids." ChemInform 45, no. 30 (2014): no. http://dx.doi.org/10.1002/chin.201430081.

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18

Kpoezoun, Amavi, Gnon Baba, and Jean-Claude Guillemin. "Primary Pyrrolimines and Pyridinimines." Molecules 30, no. 6 (2025): 1239. https://doi.org/10.3390/molecules30061239.

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The association of an aromatic ring with an N-H-unsubstituted imine generates families of compounds that have been little studied until now except when the ring is a phenyl group. Recently, such imines substituted by a furan or thiophene group have been synthesized. This work reports a similar study where a pyrrole or pyridine ring is directly linked to an N-unsubstituted aldimine or ketimine group in order to isolate such compounds and to open the way to the knowledge of their physicochemical properties. The lower volatility of pyrrole and pyridine derivatives compared to aryl, furan, or thio
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19

Crousse, Benoît, Jean-Pierre Bégué, and Danièle Bonnet-Delpon. "Synthesis of 2-CF3-Tetrahydroquinoline and Quinoline Derivatives from CF3-N-Aryl-aldimine." Journal of Organic Chemistry 65, no. 16 (2000): 5009–13. http://dx.doi.org/10.1021/jo9918807.

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20

Goswami, Sreebrata, Wancydora Kharmawphlang, Alok K. Deb, and Shie-Ming Peng. "Monovalent copper complexes of N-aryl-pyridine-2-aldimine. synthesis, characterization and structure." Polyhedron 15, no. 20 (1996): 3635–41. http://dx.doi.org/10.1016/0277-5387(96)00065-4.

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21

Wang, Shang-Hua, and Rong-Jie Chein. "(Thiolan-2-yl)diphenylmethyl benzyl ether/N,N′-diarylurea cocatalyzed asymmetric aziridination of cinnamyl bromide and aryl aldimine." Tetrahedron 72, no. 21 (2016): 2607–15. http://dx.doi.org/10.1016/j.tet.2014.12.063.

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22

Lucas, C. Robert, Kamala Mitra, Subhendu Biswas, Shyamal Kumar Chattopadhyay, and Bibhutosh Adhikary. "Synthesis, spectroscopy and redox properties of mononuclear manganese(II) and manganese(IV) complexes with N-(aryl)-pyridine-2-aldimine (L) and its amide derivatives. X-ray structural characterization of [Mn(MeL)2(NCS)2] (MeL = N-(4-methylphenyl)-pyridine-2-aldimine)." Transition Metal Chemistry 30, no. 2 (2005): 185–90. http://dx.doi.org/10.1007/s11243-004-3225-6.

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23

Nath Mitra, Kedar, Subrata Choudhury, Sreebrata Goswami, and Shie-Ming Peng. "A family of mixed ligand complexes of RuII-L [L = N-aryl-pyridine-2-aldimine], their reactions, isolation and characterization. X-ray crystal structure of [Ru(pic)(L1)2][ClO4]· CH2Cl2 [pic= 2-picolinate ion]." Polyhedron 16, no. 10 (1997): 1605–14. http://dx.doi.org/10.1016/s0277-5387(96)00482-2.

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24

Mishra, Dipankar, Subhendu Naskar, Bibhutosh Adhikary, Raymond J. Butcher, and Shyamal Kumar Chattopadhyay. "Synthesis, spectroscopic and electrochemical properties of some heteroleptic tris-chelates of ruthenium (II) involving 2,2′-bipyridine (bpy) and N-(aryl) pyridine-2-aldimine(L): X-ray crystal structures of [Ru(bpy)(L2)2](ClO4)2·H2O and 3-N(4-tolyl) imidazo [1,5a] pyridinium perchlorate." Polyhedron 24, no. 2 (2005): 201–8. http://dx.doi.org/10.1016/j.poly.2004.11.011.

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25

"Stereoselective Vinylation of Aryl N-(2-Pyridylsulfonyl) Aldimines." Synfacts 8, no. 03 (2012): 0308. http://dx.doi.org/10.1055/s-0031-1290214.

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26

Chandra, Anushri, Papu Dhibar, Pragna Dutta, Piyali Paul, and Samaresh Bhattacharya. "N-(aryl)pyrrole-2-aldimine complexes of ruthenium: Synthesis, structure and, spectral and electrochemical properties." New Journal of Chemistry, 2023. http://dx.doi.org/10.1039/d2nj05295d.

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Abstract: Reaction of [Ru(dmso)4Cl2] with N-(4′-R-phenyl)pyrrole-2-aldimines (abbreviated as HL-R; where H depicts the dissociable pyrrole N-H proton and R = OCH3, CH3, H and Cl) in refluxing toluene in the...
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27

Deng, Yu-Qin, Qi-Qi Yan, Ting-Ting Zhang, Yi Zhou, Cheng-Yu He, and Quan-Zhong Liu. "Copper-Catalyzed Asymmetric Allylation of N-Aryl Aldimines." Journal of Organic Chemistry, December 11, 2023. http://dx.doi.org/10.1021/acs.joc.3c02035.

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28

Lasri, Jamal, Naser E. Eltayeb, Saied M. Soliman, et al. "Synthesis and X‐Ray Structural Analyses Combined Anticancer Efficacy and Molecular Docking for N‐Aryl‐(2‐pyridyl)aldimines." ChemistrySelect 9, no. 36 (2024). http://dx.doi.org/10.1002/slct.202402236.

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AbstractThe reaction of 2‐amino‐4,6‐dimethylpyridine with 4‐cyanobenzaldehyde, salicylaldehyde or 2‐hydroxy‐1‐naphthaldehyde furnished the corresponding N‐aryl‐(2‐pyridyl)aldimines in very good yields. The synthetised Schiff bases were characterized by FT‐IR, 1H, 13C, DEPT‐135 and [1H,13C]‐HSQC NMR spectroscopy, HRMS and elemental analyses. Additionally, the structure of 2‐((E)‐(4,6‐dimethylpyridin‐2‐ylimino)methyl)phenol was unambiguously determined by single crystal X‐ray diffraction analysis. Hirshfeld analysis of molecular packing was performed. The most common intermolecular interaction i
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29

Li, Zhenjiang, Xinhua Ren, Yuhu Shi, and Pingkai Ouyang. "Practical and General Entry to N-Tosyl Aryl Aldimines Promoted by Sulfamic Acid in Water and Alcohol." ChemInform 38, no. 31 (2007). http://dx.doi.org/10.1002/chin.200731059.

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30

Esquivias, Jorge, Ramon Gomez Arrayas, and Juan Carlos Carretero. "ChemInform Abstract: Alkylation of Aryl N-(2-Pyridylsulfonyl)aldimines with Organozinc Halides: Conciliation of Reactivity and Chemoselectivity." ChemInform 39, no. 15 (2008). http://dx.doi.org/10.1002/chin.200815070.

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31

Grooms, Alexander J., Robert T. Huttner, Mackenzie Stockwell, et al. "Programmable C–N Bond Formation through Radical‐Mediated Chemistry in Plasma‐Microdroplet Fusion." Angewandte Chemie, October 25, 2024. http://dx.doi.org/10.1002/ange.202413122.

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Non‐thermal plasma discharge produced in the wake of charged microdroplets is found to facilitate catalyst‐free radical mediated hydrazine cross‐coupling reactions without the use of external light source, heat, precious metal complex, or trapping agents. A plasma‐microdroplet fusion platform is utilized for introduction of hydrazine reagent that undergoes homolytic cleavage forming radical intermediate species. The non‐thermal plasma discharge that causes the cleavage originates from a chemically etched silica capillary. The coupling of the radical intermediates gives various products. Plasma
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32

Grooms, Alexander J., Robert T. Huttner, Mackenzie Stockwell, et al. "Programmable C–N Bond Formation through Radical‐Mediated Chemistry in Plasma‐Microdroplet Fusion." Angewandte Chemie International Edition, October 25, 2024. http://dx.doi.org/10.1002/anie.202413122.

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Non‐thermal plasma discharge produced in the wake of charged microdroplets is found to facilitate catalyst‐free radical mediated hydrazine cross‐coupling reactions without the use of external light source, heat, precious metal complex, or trapping agents. A plasma‐microdroplet fusion platform is utilized for introduction of hydrazine reagent that undergoes homolytic cleavage forming radical intermediate species. The non‐thermal plasma discharge that causes the cleavage originates from a chemically etched silica capillary. The coupling of the radical intermediates gives various products. Plasma
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33

Chen, Donghuang, Clément Lepori, Régis Guillot, Richard Gil, Sophie Bezzenine, and Jérôme Hannedouche. "A Rationally Designed Iron(II) Catalyst for C(sp3)−C(sp2) and C(sp3)−C(sp3) Suzuki−Miyaura Cross‐Coupling." Angewandte Chemie International Edition, May 22, 2024. http://dx.doi.org/10.1002/anie.202408419.

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Despite the paramount importance of the Suzuki‐Miyaura coupling (SMC) in academia and industry, and the great promise of iron to offer sustainable catalysis, iron‐catalyzed SMC involving sp3‐hybridized partners is still in its infancy. We herein report the development of a versatile, well‐defined electron‐deficient anilido‐aldimine iron(II) catalyst. This catalyst effectively performed C(sp3)‐C(sp2) and C(sp3)‐C(sp3) SMC of alkyl halide electrophiles and (hetero)aryl boronic ester and alkyl borane nucleophiles respectively, in the presence of a lithium amide base. These couplings operated unde
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34

Chen, Donghuang, Clément Lepori, Régis Guillot, Richard Gil, Sophie Bezzenine, and Jérôme Hannedouche. "A Rationally Designed Iron(II) Catalyst for C(sp3)−C(sp2) and C(sp3)−C(sp3) Suzuki−Miyaura Cross‐Coupling." Angewandte Chemie, May 22, 2024. http://dx.doi.org/10.1002/ange.202408419.

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Despite the paramount importance of the Suzuki‐Miyaura coupling (SMC) in academia and industry, and the great promise of iron to offer sustainable catalysis, iron‐catalyzed SMC involving sp3‐hybridized partners is still in its infancy. We herein report the development of a versatile, well‐defined electron‐deficient anilido‐aldimine iron(II) catalyst. This catalyst effectively performed C(sp3)‐C(sp2) and C(sp3)‐C(sp3) SMC of alkyl halide electrophiles and (hetero)aryl boronic ester and alkyl borane nucleophiles respectively, in the presence of a lithium amide base. These couplings operated unde
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35

Wang, Shang-Hua, and Rong-Jie Chein. "ChemInform Abstract: (Thiolan-2-yl)diphenylmethyl Benzyl Ether/N,N′-Diarylurea Cocatalyzed Asymmetric Aziridination of Cinnamyl Bromide and Aryl Aldimine." ChemInform 47, no. 38 (2016). http://dx.doi.org/10.1002/chin.201638022.

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