Academic literature on the topic 'Condensation de Friedländer'

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Journal articles on the topic "Condensation de Friedländer"

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Sabitha, Gowravaram, R. Satheesh Babu, B. V. Subba Reddy, and J. S. Yadav. "Microwave Assisted FriedläNder Condensation Catalyzed by Clay." Synthetic Communications 29, no. 24 (1999): 4403–8. http://dx.doi.org/10.1080/00397919908086603.

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Kumar, Dinesh, Asim Kumar, Mohammad Mohsin Qadri, Md Imam Ansari, Abhishek Gautam, and Asit K. Chakraborti. "In(OTf)3-catalyzed synthesis of 2-styryl quinolines: scope and limitations of metal Lewis acids for tandem Friedländer annulation–Knoevenagel condensation." RSC Advances 5, no. 4 (2015): 2920–27. http://dx.doi.org/10.1039/c4ra10613j.

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Godino-Ojer, Marina, Antonio J. López-Peinado, Francisco J. Maldonado-Hódar, Esther Bailón-García, and Elena Pérez-Mayoral. "Cobalt oxide–carbon nanocatalysts with highly enhanced catalytic performance for the green synthesis of nitrogen heterocycles through the Friedländer condensation." Dalton Transactions 48, no. 17 (2019): 5637–48. http://dx.doi.org/10.1039/c8dt04403a.

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A novel series of eco-sustainable catalysts developed by supporting CoO nanoparticles on different carbon supports, highly efficient in the synthesis of quinolines and naphthyridines, through the Friedländer condensation.
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Ziyadi, Hakimeh, and Akbar Heydari. "PVA/Fe(NO3)3 nanofiber mats: an efficient, heterogeneous and recyclable catalyst for the synthesis of quinolines via Friedländer annulations." RSC Adv. 4, no. 102 (2014): 58208–13. http://dx.doi.org/10.1039/c4ra07643e.

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PVA/Fe(NO<sub>3</sub>)<sub>3</sub> nanofiber mats are found to be a heterogeneous recyclable catalyst for the efficient synthesis of quinoline derivatives in the Friedländer condensation of 2-aminoarylketones with carbonyl compounds and β-keto esters.
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Comesse, Sébastien, and Adam Daïch. "An Unprecedented Straightforward Synthesis of Chiral Pyrrolo[3,4-b]quinolone and Pyrrolo[3,2-b]quinolone Backbones Starting fromtrans-4-Hydroxy-L-proline." Journal of Chemistry 2016 (2016): 1–5. http://dx.doi.org/10.1155/2016/1504682.

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The straightforward synthesis of pyrrolo[3,4-b]quinolone and pyrrolo[3,2-b]quinolone backbones, which can be found in molecules exhibiting anticancer activities, is presented. The key step of the process is an efficient and unprecedented Friedländer condensation between an oxoproline carbamate, obtained in 3 steps and good yield starting from commercially available and relatively cheaptrans-4-hydroxy-L-proline, and various 2-amino-substituted carbonyl derivatives. It was demonstrated that the formation of the two possible regioisomers was fully triggered by both the R substituent onto the 2-am
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Smuszkiewicz, A., E. Pérez-Mayoral, E. Soriano, et al. "Bifunctional mesoporous MCF materials as catalysts in the Friedländer condensation." Catalysis Today 218-219 (December 2013): 70–75. http://dx.doi.org/10.1016/j.cattod.2013.04.034.

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Muchowski, Joseph M., and Michael L. Maddox. "Concerning the mechanism of the Friedländer quinoline synthesis." Canadian Journal of Chemistry 82, no. 3 (2004): 461–78. http://dx.doi.org/10.1139/v03-211.

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Detailed experiments regarding the mechanism of the Friedländer synthesis of quinolines from o-aminobenzaldehydes and simple aldehydes or ketones are described. Under the basic or acidic conditions commonly used in this reaction, it is concluded that the first step involves a slow intermolecular aldol condensation of the aldehyde or ketone with the o-aminobenzaldehyde. The aldol adduct 5 generated in this manner then undergoes very rapid cyclization to 4, which subsequently loses water to produce the quinoline derivative 8. Both 5 and 4 are too short lived to be detectable (TLC), even when del
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Stockmann, Vegar, and Anne Fiksdahl. "Synthesis of novel 1,7-naphthyridines by Friedländer condensation of pyridine substrates." Journal of Heterocyclic Chemistry 48, no. 6 (2011): 1383–87. http://dx.doi.org/10.1002/jhet.657.

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Li, Yang, and Wentao Gao. "Synthesis of 3-(quinolin-2-yl)- and 3,6-bis(quinolin-2-yl)-9H-carbazoles." Beilstein Journal of Organic Chemistry 6 (October 8, 2010): 966–72. http://dx.doi.org/10.3762/bjoc.6.108.

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A simple and efficient synthesis of novel 3-(quinolin-2-yl)- and 3,6-bis(quinolin-2-yl)-9H-carbazoles, utilizing sodium ethoxide as a catalyst via a Friedländer condensation reaction between 3-acetyl-9-ethyl-9H-carbazole or 3,6-diacetyl-9-ethyl-9H-carbazole and β-aminoaldehydes or β-aminoketones is described. All of the title compounds were obtained in good yields of 52–72% and their structures were confirmed by IR, 1H NMR, MS, and elemental analysis.
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Rote, Ramhari V., Sandeep M. Bagul, Deepak P. Shelar, Sandeep R. Patil, Raghunath B. Toche, and Madhukar N. Jachak. "Synthesis of benzo[3,4-h][1,6]naphthyridines via Friedländer condensation with active methylenes." Journal of Heterocyclic Chemistry 48, no. 2 (2010): 301–7. http://dx.doi.org/10.1002/jhet.391.

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Dissertations / Theses on the topic "Condensation de Friedländer"

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Grillet, François. "Synthèse formelle de la (±)-camptothécine et préparation d'analogues de la 22-hydroxyacuminatine." Phd thesis, Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00486331.

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La première partie de ce travail a été consacrée à la synthèse d'analogues de la 22-hydroxyacuminatine, un alcaloïde isolé du camptotheca acuminata. L'approche développée est basée sur une réaction d'électrocyclisation ainsi que sur une condensation de Friedländer avec des o-aminocétones et o-aminobenzaldéhydes substitués. Les analogues synthétisés selon cette voie ont ensuite fait l'objet de tests biologiques. Dans la deuxième partie, nous avons développé une nouvelle voie d'accès à la camptothécine, sous sa forme racémique. Cet alcaloïde pentacyclique, également isolé du camptothéca acuminat
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