Academic literature on the topic 'Furo[3,2-c]quinolines'

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Journal articles on the topic "Furo[3,2-c]quinolines"

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Prasanna, T. S. R., and K. Mohana Raju. "T3P- A Novel Catalyst for Aza-Diels-Alder Reaction: One-Pot Synthesis of Pyrano[3,2-c]quinolines and furano[3,2-c]quinolines." E-Journal of Chemistry 8, s1 (2011): S420—S424. http://dx.doi.org/10.1155/2011/565021.

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T3P was found to be an efficient catalyst for the Aza-Diels–Alder reactions of aldimines with dihydropyran or dihydrofuran to afford the corresponding pyrano-and furo [3,2-c]quinolines in high yields with high diastereoselectivity in a short period of time.
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Abd El-Nabi, Hisham A., and A. M. Now El-Din. "SYNTHESIS AND REACTIONS OF FURO[3,2-c]QUINOLINES AND FVRO[3,2-c]COUMARINS." Organic Preparations and Procedures International 35, no. 5 (2003): 509–14. http://dx.doi.org/10.1080/00304940309355862.

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Bencková, Mária, and Alžbeta Krutošíková. "5-Aminofuro[3,2-c]pyridinium Tosylates and Substituted Furo[3,2-c]pyridine N-Oxides: Synthesis and Reactions." Collection of Czechoslovak Chemical Communications 64, no. 3 (1999): 539–47. http://dx.doi.org/10.1135/cccc19990539.

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5-Aminofuro[3,2-c]pyridinium tosylates 2a-2c were synthesized by direct N-amination of furo[3,2-c]pyridines 1a-1c with O-(4-methylbenzenesulfonyl)hydroxylamine in dichloromethane. Zwitterionic furo[3,2-c]pyridinium N-imides 3a-3c generated from 2a-2c and anhydrous potassium carbonate in N,N-dimethylformamide afforded by 1,3-dipolar cycloaddition reactions with dimethyl butynedioate or ethyl propiolate the corresponding furo[3,2-c]pyrazolo[1,5-a]pyridinecarboxylic esters 4a-4c and 5a-5c. Furo[3,2-c]pyridine N-oxides 6a-6c and their benzo derivative 6d were synthesized by reaction of 1 with 3-ch
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Sabitha, Gowravaram, M. Shashi Kumar Reddy, K. Arundhathi, and J. S. Yadav. "VCl3-catalyzed aza-Diels-Alder reaction: one-pot synthesis of pyrano[3,2-c]- and furo[3,2-c]quinolines." Arkivoc 2006, no. 6 (2006): 153–60. http://dx.doi.org/10.3998/ark.5550190.0007.613.

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Yun, Ma, Qian Chemg-Tao, Xie Mei-Hua, and Sun Jie. "Synthesis of furo[3,2-c]- and pyrano[3,2-c ]quinolines by lanthanide triflate catalyzed imino-Diels-Alder reaction." Chinese Journal of Chemistry 18, no. 3 (2010): 377–83. http://dx.doi.org/10.1002/cjoc.20000180322.

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K., C. MAJUMDAR, and DAS U. "Studies on Sigmatropic Rearrangements : Regioselective Synthesis of Coumarins, Quinolones and Thiocoumarins with 3,4-Fused Pyran or Furan Ring Systems by Claisen Rearrangement." Journal of Indian Chemical Society Vol. 74, Nov-Dec 1997 (1997): 884–90. https://doi.org/10.5281/zenodo.5900433.

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Department of Chemistry, University of Kalyam, Kalyana-741 235 <em>Manuscript received 4 September 1997</em> A brief review of the regioselective synthesis of pyrano[3,2-<em>c</em>][1]benzopyran-5(2<em>H</em>)-ones, pyrano[3,2-<em>c</em>][1]benzothiapyran-5(2<em>H</em>)-one, pyrano[3,2-<em>c</em>]quinolin-5(2<em>H</em>)-ones, pyrano(2,3-<em>c</em>)[1]benzopyran-5(3<em>H</em>)-ones, 3<em>H</em>-pyrano[2,3-<em>c</em>)quinolin-5(6H)-ones, thiapyrano(2, 3- b) (1)benzothiapyran-5(2<em>H</em>)-ones, thiapyrano[2,3-<em>b]</em>&nbsp;[1]benzopyran-5(2<em>H</em>)-ones, furo[3,2-<em>c</em>] [1] benzopyra
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Salgado, Arturo R. M., Carlos E. P. Galvis, Vladimir V. Kouznetsov, and Carlos Mario Meléndez. "Synthesis of endo-fused 5-unsubstituted Hexahydro-2H-pyrano[3,2-c]quinolinesvia Sequential Sc(OTf)3-catalyzed Cationic Imino-Diels-Alder Reaction/N-debenzylation using N-benzylanilines, 3,4-dihydro-2H-pyran and Paraformaldehyde under MW Irradiation." Current Organic Synthesis 18, no. 5 (2021): 431–42. http://dx.doi.org/10.2174/1570179418666210113160949.

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Background: Hexahydro-2H-pyrano[3,2-c]quinolines are known to have antibacterial, antifungal, and antitumor properties. Great efforts have been made to develop new synthetic methods that lead to the synthesis of valuable libraries. Extensive methodologies, low yields, excessive amounts of catalyst and expensive reactants are some of the limitations of current methodologies. Aim and Objective: Developing a useful and efficient method to construct diversely substituted hexahydro-2Hpyrano[ 3,2-c]quinolines into good to excellent yields through a cationic imino-Diels-Alder/N-debenzylation methodol
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Park, Hee Jung, Ok-Kyung Yang, Young Chul Park, and Eul Kgun Yum. "Synthesis of 2-Substituted Furo[2,3-b]- and Furo[3,2-c]quinolines via Heterogeneous Palladium-catalyzed Heteroannulation." Bulletin of the Korean Chemical Society 37, no. 6 (2016): 958–61. http://dx.doi.org/10.1002/bkcs.10783.

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Ma, Yun, Changtao Qian, Meihua Xie, and Jie Sun. "Lanthanide Chloride Catalyzed Imino Diels−Alder Reaction. One-Pot Synthesis of Pyrano[3,2-c]- and Furo[3,2-c]quinolines." Journal of Organic Chemistry 64, no. 17 (1999): 6462–67. http://dx.doi.org/10.1021/jo982220p.

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Bois-Choussy, Michèle, and Ren� Beugelmans. "A Convenient Access to Furo[3,2-h]quinolines and to Furo[3,2-b]pyridines via SRN1 Reactions." HETEROCYCLES 26, no. 7 (1987): 1863. http://dx.doi.org/10.3987/r-1987-07-1863.

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Dissertations / Theses on the topic "Furo[3,2-c]quinolines"

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Chartoire, Anthony. "Synthèse et fonctionnalisation des furo[3,2-b]- et [2,3-c]pyridines par voie organométallique." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10081/document.

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Le travail décrit dans ce mémoire concerne l'étude de la métallation régiosélective de deux bicycles fusionnés complexes : les furo[3,2-b]- et [2,3-c]pyridines. L'influence de la nature du système basique sur le cours de la réaction et sur la régiosélectivité de la lithiation a été étudiée avec différentes bases : n-BuLi, LTMP, LDA et [n-BuLi/LiDMAE]. D'un point de vue fondamental, cette étude nous a permis d'établir quelques règles pour la fonctionnalisation des hétérocycles complexes, ce qui nous a conduit à l'obtention efficace et rapide d'une vaste chimiothèque de furo[3,2-b]- et [2,3-c]py
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Chi, Hung Nguyen. "Synthèse et étude de nouveaux analogues tetracycliques et tricycliques des ellipticines et aza-9 ellipticines." Paris 11, 1985. http://www.theses.fr/1985PA112290.

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La présente thèse concerne la synthèse de nouveaux analogues tétracycliques et tricycliques des Ellipticines et aza-9 Ellipticines, ainsi que l'étude de L'étude de leurs propriétés biologiques. L’étude de la lithiation des furo-et pyrrolo [3,2-c] pyridines présentée dans le premier chapitre montre que l'échange avec le ter. Butyl lithium s'effectue sur le sommet 2 de ces hétérocycles. Cela permet d'accéder à divers dérivés fonctionnalisés sur leur sommet 2 à partir desquels nous avons pu accéder d'une part à des pyrido [4,3-b] benzo [f] indoles et d'autre part à des pyrido [3',4': 4,5] pyrrolo
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Rocha, Djenisa Helene Ascenção. "Estudos de síntese e transformação de cromonas e 4-quinolonas." Doctoral thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/14472.

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Doutoramento em Química<br>Esta dissertação está dividida em duas partes. Na primeira parte reportam-se métodos de síntese de (E)-3-estirilflavonas e (E)/(Z)-2-aril- 4-cloro-3-estiril-2H-cromenos e estudos de ciclização das (E)-3- estirilflavonas em 5-arilbenzo[c]xantonas. Na segunda parte desenvolveram-se novas rotas de síntese de (E)-2-aril-3-estiril-4- quinolonas e posterior transformação em 5-fenil-12- metilbenzo[c]acridonas e 2,4-diarilfuro[3,2-c]quinolinas. Nesta parte estudou-se também a transformação de 2-aril-4-cloro-1,2-dihidroquinolina- 1,3-dicarbaldeídos em (E)/(Z)-2-aril-4
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Hong, Shao-Hao, and 洪紹豪. "Preparation of Bis-heterocycles and Furo[3,2-c]coumarins via Phosphonium Salt Intermediates." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/52739m.

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Chiang, Hao-Tang, and 蔣浩堂. "Studies on the Synthesis and Biological Activities of Furo[3,2-c]quinoline Derivatives." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/77765232281054811928.

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碩士<br>高雄醫學大學<br>醫藥暨應用化學系碩士班<br>92<br>The quinoline alkaloids isolated from the Rutaceac family of plants have various biological activities such as anticancer, antibacterial and antiviral effects. Polycondensed heterocyclic aromatic compounds having a planar structure can intercalate into DNA to inhibit the replication. We have synthesized the derivatives of furoquinoline by changing the substitutent at C4, such as aniline group and aliphatic amines, to improve the selectivity and specificity of the compounds against the growth of various cancer cells. The furo[3,2-c]quinolin-4-yl-(3-methoxyph
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Ferreira, João Paulo de Sousa. "Novel heterocyclic quinoline/quinolone-based compounds as acetylcholinesterase inhibitors and antioxidant agents." Master's thesis, 2019. http://hdl.handle.net/10773/30140.

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Alzheimer’s disease represents about 60-80% of all cases of dementia, mainly affecting people over 65 years. This pathology is caracterizated at the molecular level by the presence of senile plaques (Aβ amyloid peptides aggregates) and neurofibrillary tangles (NFTs). In addition, several experimental studies have revealed that acetylcholinesterase (AChE) enzyme plays a crucial role in the development of Alzheimer’s disease, leading to the formation of NFTs and senile plaques. Oxidative stress is a cause and consequence of this pathology, activating signalling pathways that promote Aβ pe
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Yeh, Wen-Pin, and 葉文賓. "Microwave-Assisted Traceless Synthesis of Disubstituted Indole Alkaloids, pyrrolo[3,2-c]quinolines and Piperazino-Oxazinones derivatives." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/31966988632514439734.

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博士<br>國立東華大學<br>化學系<br>96<br>This thesis illustrates the use of Microwave technology for the synthesis of tetrahydro-β-carbolinehydantoins, 2,5-diketo piperazine functionalized β-carboline, pyrrolo[3,2-c]quinolines, and N-Cyanoamide substituted Piperazino-Oxazinones, which provides access to the structurally diverse collection of biologically active molecules. The work in this thesis is presented in the following four parts. The first part makes use of PEG linked Boc tryptophan to construct the β-carboline skeleton via the Pictet-Spengler reaction using a variety of aldehydes. Reaction of thes
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Chang, Chih-Kai, and 張智凱. "The pharmacokinetics of furo[3,2-c]quinoline derivative, a new synthetic antitumor drug of amsacrine analogs." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/61216869672731019440.

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碩士<br>高雄醫學大學<br>藥學研究所碩士班<br>92<br>Amsacrine is an antitumor drug against acute adult leukemia and lymphoma. The two model drugs, PK-A2 and PK-A3, are new antitumor compounds and synthesized from the substitution and modification of the main chemical structure of amsacrine. So far, there is no data to describe the pharmacokinetic characters of the two model drugs. In this study, drugs were administered by IV bolus into Wistar rats weighted 190 to 220 g. The blood samples were extracted with dichlomethane and then analyzed by HPLC method. Finally, we discussed the individual pharmacokinetic char
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Wang and 王建益. "Chemoselective synthesis of substituted benzofurans and furo[3,2-c]coumarins from functional phosphorus zwitterions via intramolecular Wittig reactions." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/5q3v84.

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碩士<br>國立臺灣師範大學<br>化學系<br>103<br>The thesis is divided into two parts: In the first part, chemoselective synthesis of substituted benzofurans and furo[3,2-c]coumarins from functional phosphorus zwitterions via intramolecular Wittig reactions is described. Based on our previous studies, a phosphine-triggered intramolecular Wittig reaction with high efficiency via phosphorus zwitterions as key intermediates has been developed. The studies included chemoselectivities of acylations and intramolecular Wittig reactions. By employing different addition sequence of the acyl chloride and phosphine reage
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Lee, Chia-Jui, and 李家睿. "Preparation of Functional Phosphorus Zwitterions from Activated Alkanes, Aldehydes, and Tributylphosphine: Synthesis of Polysubstituted Furo[3,2-c]coumarins." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/70708415242184143967.

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碩士<br>國立臺灣師範大學<br>化學系<br>101<br>A novel synthetic protocol for the preparation of functional phosphorus zwitterions via organocatalytic three-component reactions of activated alkanes, aldehydes, and tributylphosphine has been successfully developed. A wide variety of functional alkanes and aldehydes can be successfully employed, and numerous corresponding phosphorus zwitterions can be generated in the presence of tributylphosphine and catalysts, such as pyrrolidine and benzoic acid, in high yields. The reaction mechanism is supposed to be via the organocatalytic Knoevenagel condensation reacti
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Conference papers on the topic "Furo[3,2-c]quinolines"

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Đermanović, Mirjana, Ljubica Bojanić, Vesna Rudić-Grujić, and Vesna Petković. "Patulin as a risk factor in a children's food." In Proceedings of the International Congress Public Health - Achievements and Challenges. Institute of Public Health of Serbia "Dr Milan Jovanović Batut", 2024. http://dx.doi.org/10.5937/batutphco24077d.

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Background: Patulin (4-hydroxy-4H-furo[3,2-c]pyran-2(6H)-one; CAS Number 149-29-1) patulin as a secondary metabolite of certain types of molds, primarily Penicillium, Aspergillus and Byssochlamys, belongs to the group of mycotoxins. Patulin is a well-known toxicant in food, with adverse immunological, neurological and gastrointestinal outcomes associated with chronic intake. Patulin is an enteropathogenic mycotoxin and has the ability to alter the function of the intestine. Methods and Objectives: The method for determining patulin using liquid chromatography is described in AOAC method 995.10
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