Relevant bibliographies by topics / PyBrOP activation

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'PyBrOP activation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 July 2022

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Journal articles on the topic "PyBrOP activation"

1

Shi, Ce, and Courtney C. Aldrich. "Efficient Pd-Catalyzed Coupling of Tautomerizable Heterocycles with Terminal Alkynes via C−OH Bond Activation Using PyBrOP." Organic Letters 12, no. 10 (May 21, 2010): 2286–89. http://dx.doi.org/10.1021/ol100657n.

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Vignesh, A., Werner Kaminsky, and N. Dharmaraj. "Palladium complexes catalyzed regioselective arylation of 2-oxindole via in situ C(sp2)−OH activation mediated by PyBroP." Journal of Organometallic Chemistry 824 (December 2016): 7–14. http://dx.doi.org/10.1016/j.jorganchem.2016.09.026.

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Chen, Guo-Jun, Jie Huang, Lian-Xun Gao, and Fu-She Han. "Nickel-Catalyzed Cross-Coupling of Phenols and Arylboronic Acids Through an In Situ Phenol Activation Mediated by PyBroP." Chemistry - A European Journal 17, no. 14 (February 24, 2011): 4038–42. http://dx.doi.org/10.1002/chem.201003403.

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4

Shi, Ce, and Courtney C. Aldrich. "ChemInform Abstract: Efficient Pd-Catalyzed Coupling of Tautomerizable Heterocycles with Terminal Alkynes via C-OH Bond Activation Using PyBrOP." ChemInform 41, no. 40 (September 9, 2010): no. http://dx.doi.org/10.1002/chin.201040042.

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Chen, Guo-Jun, Jie Huang, Lian-Xun Gao, and Fu-She Han. "ChemInform Abstract: Nickel-Catalyzed Cross-Coupling of Phenols and Arylboronic Acids Through an in situ Phenol Activation Mediated by PyBroP." ChemInform 42, no. 28 (June 16, 2011): no. http://dx.doi.org/10.1002/chin.201128072.

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6

Zhao, Yu-Long, Guo-Jie Wu, and Fu-She Han. "Ni-catalyzed construction of C–P bonds from electron-deficient phenols via the in situ aryl C–O activation by PyBroP." Chemical Communications 48, no. 47 (2012): 5868. http://dx.doi.org/10.1039/c2cc31718d.

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Zhao, Yu-Long, Guo-Jie Wu, and Fu-She Han. "ChemInform Abstract: Ni-Catalyzed Construction of C-P Bonds from Electron-Deficient Phenols via the in situ Aryl C-O Activation by PyBroP." ChemInform 43, no. 41 (September 13, 2012): no. http://dx.doi.org/10.1002/chin.201241184.

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8

Delarue, Sandrine, and Christian Sergheraert. "PyBroP: a convenient activator for the synthesis of formamidines." Tetrahedron Letters 40, no. 30 (July 1999): 5487–90. http://dx.doi.org/10.1016/s0040-4039(99)01054-0.

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Delarue, Sandrine, and Christian Sergheraert. "ChemInform Abstract: PyBroP: A Convenient Activator for the Synthesis of Formamidines." ChemInform 30, no. 44 (June 13, 2010): no. http://dx.doi.org/10.1002/chin.199944102.

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10

Jismy, Badr, Abdellatif Tikad, Mohamed Akssira, Gérald Guillaumet, and Mohamed Abarbri. "Efficient Access to 3,5-Disubstituted 7-(Trifluoromethyl)pyrazolo[1,5-a]pyrimidines Involving SNAr and Suzuki Cross-Coupling Reactions." Molecules 25, no. 9 (April 28, 2020): 2062. http://dx.doi.org/10.3390/molecules25092062.

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An efficient and original synthesis of various 3,5-disubstituted 7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidines is reported. A library of compounds diversely substituted in C-3 and C-5 positions was easily prepared from a common starting material, 3-bromo-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-5-one. In C-5 position, a SNAr type reaction was achieved by first activating the C–O bond of the lactam function with PyBroP (Bromotripyrrolidinophosphonium hexafluorophosphate), followed by the addition of amine or thiol giving monosubstituted derivatives, whereas in C-3 position, arylation was performed via Suzuki–Miyaura cross-coupling using the commercially available aromatic and heteroaromatic boronic acids. Moreover, trifluoromethylated analogues of potent Pim1 kinase inhibitors were designed following our concise synthetic methodology.
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Dissertations / Theses on the topic "PyBrOP activation"

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Belaroussi, Rabia. "Synthèse et fonctionnalisation de nouveaux dérivés tricycliques [6-5-6] polyhétéroaromatiques à visée thérapeutique potentielle." Thesis, Orléans, 2016. http://www.theses.fr/2016ORLE2002/document.

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La découverte de nouveaux candidats susceptibles de lutter contre différentes pathologies, en l’occurrence le cancer et les maladies neurodégénératives, constitue l’un des principaux objectifs de notre groupe de recherche. Dans ce contexte, les travaux de cette thèse ont pour but principal, la conception de deux nouvelles classes d’hétérocycles de structure planes, jusqu’à ce jour, très rarement étudiées, à savoir les pyrido[2’,1’ :1,5]pyrazolo[3,4-d]pyridazines et les pyrido[2’,1’ :1,5]pyrazolo[3,4-d]pyrimidines. Ce manuscrit est essentiellement dédié à un travail de méthodologie décrivant les différentes voies d’accès à ces originaux précurseurs tricycliques potentiellement modulables. La réactivité de ces synthons clés est ensuite étudiée vis-à-vis de réaction de substitutions nucléophiles aromatiques et de divers procédés de fonctionnalisation palladocatalysés (Suzuki-Miyaura, Buchwald-Hartwig, activation au PyBrOP-(hétéro)arylation) pour élaborer d’intéressantes chimiothèques construite autour de ces structures inédites ouvrant ainsi de nombreuses perspectives pharmacologiques
The discovery of new candidates to fight against various diseases, namely cancer and neurodegenerative diseases, is one of the main goals of our research group. In this context, the main purpose of this thesis, is the design of two new classes of heterocyclic planar structure, to date, rarely studied, namely pyrido[2’,1’ :1,5]pyrazolo[3,4-d]pyridazines and pyrido[2’,1’ :1,5]pyrazolo[3,4-d]pyrimidines. This manuscript is essentially dedicated to a methodology work describing the different routes of access to these originals and potentially modular tricyclic precursors. The reactivity of these key synthons is then studied towards aromatic nucleophilic substitutions reactions and various palladocatalyzed methods of functionalization (Suzuki-Miyaura, Buchwald-Hartwig, activation PyBrOP-(hetero) arylation) to develop interesting libraries built around these unusual structures, thus opening numerous pharmacologicals perspectives
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2

Ejjoummany, Abdelaziz. "Design et fonctionnalisation d’hétérocycles originaux de type bicycliques [5-5] et tricycliques [6-5-6] à visée thérapeutique potentielle." Thesis, Orléans, 2020. http://www.theses.fr/2020ORLE3141.

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L’accès à de nouveaux composés hétérocycliques originaux biologiquement actifs, constitue l’un des principaux objectifs de notre groupe de recherche. Dans ce contexte, les travaux de cette thèse ont pour but principal, la conception de trois nouvelles familles de composés hétérocycliques contenant un motif pyrazolique susceptibles de présenter des activités biologiques, à savoir les pyrido[1',2':1,5]pyrazolo[4,3-d]pyrimidine, les pyrrolo[3,4-c]pyrazoles et les pyrazolo[5,1-b]thiazoles. Ce manuscrit est essentiellement dédié à un travail de méthodologie décrivant les différentes voies d’accès à ces hétérocycles originaux, tricycliques et bicycliques potentiellement modulables. La réactivité de ces synthons clés est ensuite étudiée avec divers procédés de fonctionnalisation palladocatalysés (Activation au PyBrOP-(hétéro)arylation, Liebeskind-Srogl, Suzuki-Miyaura, Buchwald-Hartwig, C-H arylation, substitution nucléophile aromatique) pour élaborer d’intéressantes chimiothèques construites autour de ces structures inédites, ouvrant ainsi de nombreuses perspectives pharmacologiques
The access to new original biologically active heterocyclic compounds, is one of the main objectives of our research group. In this context, the main purpose of this thesis is the design of three new families of heterocyclic compounds containing a pyrazolic motif that may exhibit biological activities, namely pyrido[1',2': 1.5]pyrazolo[4,3-d]pyrimidine, pyrrolo[3,4-c]pyrazole and pyrazolo[5,1-b]thiazole.This manuscript is essentially dedicated to a methodology work describing the different routes of access to these originals and potentially modular tricyclic and bicyclic precursors. The reactivity of these key synthons is then studied towards aromatic nucleophilic substitutions reactions and various pallado-catalyzed methods of functionalization (Activation with PyBrOP- (hetero) arylation, Liebeskind-Srogl, Suzuki-Miyaura, Buchwald-Hartwig, C-H arylation, aromatic nucleophilic substitution) to develop interesting libraries built around these unusual structures, thus opening numerous pharmacological perspectives
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