Academic literature on the topic 'PYRIDO[2,3- d]PYRIMIDINE'

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Journal articles on the topic "PYRIDO[2,3- d]PYRIMIDINE"

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Sirakanyan, Spinelli, Geronikaki, et al. "Synthesis, Antitumor Activity, and Docking Analysis of New Pyrido[3’,2’:4,5]furo(thieno)[3,2-d]pyrimidin-8-amines." Molecules 24, no. 21 (2019): 3952. http://dx.doi.org/10.3390/molecules24213952.

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Continuing our research in the field of new heterocyclic compounds, herein we report on the synthesis and antitumor activity of new amino derivatives of pyrido[3’,2’:4,5](furo)thieno[3,2-d]pyrimidines as well as of two new heterocyclic systems: furo[2–e]imidazo[1,2-c]pyrimidine and furo[2,3-e]pyrimido[1,2-c]pyrimidine. Thus, by refluxing the 8-chloro derivatives of pyrido[3’,2’:4,5]thieno(furo)[3,2-d]pyrimidines with various amines, the relevant pyrido[3’,2’:4,5]thieno(furo)[3,2-d]pyrimidin-8-amines were obtained. Further, the cyclization of some amines under the action of phosphorus oxychlori
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Friary, Richard, Andrew T. McPhail, and Vera Seidl. "Novel Syntheses of Tricyclic, N-Aryl, Pyridine- and Pyrazine-Fused Pyrimidones." Collection of Czechoslovak Chemical Communications 58, no. 5 (1993): 1133–50. http://dx.doi.org/10.1135/cccc19931133.

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2-methylthio-2-imidazoline and 2-methylthio-1,4,5,6-tetrahydro-2-pyrimidine amidated 2-chloro-3-pyridine- and 2-chloro-3-pyrazinecarbonyl chlorides. The products reacted with aromatic amines forming a series of tricyclic, linearly fused N-aryl pyrimidones. Included among these pyrimidones were 10-aryl-2,3-dihydroimidazo[1,2-a]pyrido[2,3-d]pyrimidin-5(10H)-ones, 11-aryl-2,3,4,11-tetrahydropyrido-[2,3-d]pyrimido[1,2-a]pyrimidin-6(6H)-ones, 10-aryl-2,3-dihydroimidazo[1,2-a]pyrazino[2,3-d]pyrimidin-5(10H)-ones and 11-aryl-2,3,4,11-tetrahydropyrimido-[1,2-a]pyrazino[2,3-d]pyrimidin-6(6H)-ones. 4,5,
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Tiwari, Sangeeta, Ashok K. Yadav, and A. K. Mishra. "Some New Pyrido[2,3-d]pyridimines and their Nucleoside of Biological Importance." E-Journal of Chemistry 7, s1 (2010): S85—S92. http://dx.doi.org/10.1155/2010/812567.

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Chalcones (I) reacted with malanonitrile and ammonium acetate yielded 2-amino-3-cyano-4,6-disubstituted pyridines (II) in excellent yield. 4-Amino-5,7-disubstituted pyrido [2,3-d]pyrimidine-2(1H)-thiones (III), 4-amino-5,7-disubstituted pyrido[2,3-d]pyrimidines (IV) and 4-imino-3,5,7-trisubstituted pyrido[2,3-d]pyrimidin-2(1H)-ones (V) have been synthesized by the condensation of compound (II) with thiourea, formamide and arylisocynate respectively. The ribofuranosidesviz. 4-amino-5,7-disubstituted-1- [2',3',5'-tri-o-benzoyl-β,D-ribofuranosyl]pyrido[2,3-d]pyrimidine-2-(1H)-thiones (VI) and 4-i
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Hamama, Wafaa S., Mohamed A. Ismail, Hana’a A. Al-Saman, and Hanafi H. Zoorob. "Convenient Selective Synthesis of Substituted Pyrido[2,3-d]pyrimidones and Annulated Derivatives." Zeitschrift für Naturforschung B 62, no. 1 (2007): 104–10. http://dx.doi.org/10.1515/znb-2007-0115.

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The reaction of 6-aminouracil (1) with the appropriate α,β -unsaturated ketones, gave the corresponding pyrido[2,3-d]pyrimidin-2,4-diones 3, 6, 8 and 10, respectively. Treatment of 1 with salicylaldehyde, 6-carboethoxy-3,5-diphenyl-2-cyclohexenone (13) or 2,6- bis(phenylmethylidene)cyclohexanone (15) afforded the corresponding pyrimido[4,5-d]quinoline- 2,4-diones 12, 14 and 16, respectively. Furthermore, a pyrido[2,3-d]pyrimidine incorporating 3,2’- bis(quinoline) derivative 18 was synthesized. Annulation of pyrido[2,3-d]pyrimidine with pyrazole or imidazole moieties was achieved via reaction
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Abdel-Hafez, Shams H., Ragaa A. Ahmed, Mohamed A. Abdel-Azim, and Khairy M. Hassan. "Selenium containing Heterocycles: Part 1. Synthesis of Some New Substituted Pyrido[3′,2′:4,5]selenolo[3,2-d]pyrimidines and Related Fused Tetracyclic Systems." Journal of Chemical Research 2007, no. 10 (2007): 580–84. http://dx.doi.org/10.3184/030823407x25506.

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New series of selenolo[2,3- b]pyridine, pyrido[3′,2′:4,5]selenolo[3,2- d]pyrimidine, 7,8-dihydro-2,4-dimethylpyrrolo [1,2- a]pyrido[3′,2′:4,5]selenolo[3,2- d]pyrimidin-10(6 H)-one and 7,9-dimethylpyrido[3′,2′:4,5]selenolo[3,2- d][1,2,4] triazolo[4,3- c]pyrimidine derivatives were synthesised from 3-cyano-4,6-dimethylpyridine-2(1 H)-selenone (1). Spectroscopic (IR, 1H, MS) of the newly synthesised compounds are reported.
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Yang, Wen-Juan, Qiu Sun, Jing Sun, and Chao-Guo Yan. "Domino aza/oxa-hetero-Diels–Alder reaction for construction of novel spiro[pyrido[3′,2′:5,6]pyrano[2,3-d]pyrimidine-7,5′-pyrimidine]." Organic Chemistry Frontiers 5, no. 18 (2018): 2754–58. http://dx.doi.org/10.1039/c8qo00784e.

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The unprecedented reaction of α,β-unsaturated N-arylaldimines with two molecular 5-arylidene-1,3-dimethylbarbituric acids in methylene dichloride at room temperature afforded unique spiro[pyrido[3′,2′:5,6]pyrano[2,3-d]pyrimidine-7,5′-pyrimidines] in moderate to good yields and with high diastereoselectivity.
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Kordian, Marcus, Holger Feist, and Klaus Peseke. "Anellation and Ring Transformations of Push-pull-functionalized Deoxypyranosiduloses." Zeitschrift für Naturforschung B 64, no. 6 (2009): 676–82. http://dx.doi.org/10.1515/znb-2009-0613.

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Reaction of (E)-3-aminomethylene-α-D-erythro-hexopyranosid-2-ulose 5 with substituted 5- aminopyrazoles afforded the pyrano-anellated pyrazolo[1,5-a]pyrimidines 8. The treatment of the corresponding (E)-2-aminomethylene-α-D-erythro-hexopyranosid-3-ulose 6 with 5-aminopyrazoles and (benzimidazol-2-yl)acetonitrile yielded in a ring transformation process the D-erythronoyl-pyrazolo[ 1,5-a]pyrimidine-3-carbonic acid derivatives 10 and D-erythronoyl-pyrido[1,2-a]benzimidazole- 4-carbonitrile (12), respectively
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Bakhite, E. A., A. E. Abdel-Rahman, O. S. Mohamed, and E. A. Thabet. "synthesis of Some New Pyridothienopyrimidines and Related [1,2,4]Triazolopyridothienopyrimidines." Journal of Chemical Research 2003, no. 2 (2003): 58–59. http://dx.doi.org/10.3184/030823403103173156.

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4-Chloro-9-phenyl-7-(2-thienyl)pyrido[3′,2′:4,5]thieno[3,2- d]pyrimidine (5) and 3-amino-3,4-dihydro-4-imino-9-phenyl-7-(2-thienyl)pyrido[3′,2′:4,5]thieno[3,2- d]pyrimidine (19) were prepared and employed as precursors for synthesizing the fused-ring compounds of the title.
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Abdelhamid, Abdou O., and Sobhi M. Gomha. "Synthesis of New Pyrazolo[1,5-a]pyrimidine, Triazolo[4,3-a]pyrimidine Derivatives, and Thieno[2,3-b]pyridine Derivatives from Sodium 3-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)-3-oxoprop-1-en-1-olate." Journal of Chemistry 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/327095.

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Condensation of sodium 3-oxo-3-(1-phenyl-1H-pyrazol-4-yl)prop-1-en-1-olate (2) with several heterocyclic amines, cyanoacetamide, cyanothioacetamide, and 2-cyanoacetohydrazide gives pyrazolo[1,5-a]pyrimidines (5a–d), pyrido[2′,3′:3,4]pyrazolo[1,5-a]pyrimidine (9), benzo[4,5]imidazo[1,2-a]pyrimidine (10), [1,2,4]triazolo[1,5-a]pyrimidine (11), and pyridine derivatives (12–14). Also, thieno[2,3-b]pyridines (15–18) were synthesized via pyridinethione (13) withα-halo ketones andα-halo ester. Structures of the newly synthesized compounds were elucidated by elemental analysis, spectral data, alternat
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Thokchom, Herojit S., Anita D. Nongmeikapam, and Warjeet S. Laitonjam. "Synthesis of fused pyrazolo-, isoxazolo-, pyrimido-, and pyridopyrimidines." Canadian Journal of Chemistry 83, no. 8 (2005): 1056–62. http://dx.doi.org/10.1139/v05-054.

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A systematic study of the synthesis of the 5,7-diaryl-4-oxo-pyrazolo[3,4-d]pyrimidin-6-thiones (3), 2-phenyl-5,7-bis(2′-methylphenyl)-4-oxo-pyrazolo[3,4-d]pyrimidin-6-thiones (4b), 2(3H)-3-phenyl-5,7-diaryl-4-oxo-pyrazolo[3,4-d]pyrimidin-6-thiones (5), 5,7-diaryl-4-oxo-isoxazolo[5,4-d]pyrimidin-6-thiones (7), 3,5,7-triaryl-2,3-dihydro-4-oxo-isoxazalo[5,4-d]pyrimidin-6-thiones (8), 2-amino-6,8-diaryl-5-oxo-pyrimido[4,5-d]pyrimidin-7-thiones (9), 3,4-dihydro-2-amino-4-phenyl-6,8-diaryl-5-oxo-pyrimido[4,5-d]pyrimidin-7-thiones (10), 3-cyano-6,8-diaryl-2,5-dioxo-pyrido[2,3-d]pyrimidin-7-thiones (1
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Dissertations / Theses on the topic "PYRIDO[2,3- d]PYRIMIDINE"

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White, David Charles. "Synthesis of 3-Aryl-2-(2-aryl-2-oxoethyl)pyrido[2,3-d]-4(3H)pyrimidones and 3-Aryl-2-(2-arylethenyl)pyrido[2,3-d]-4(3H)pyrimidones as Potential Antiepileptic Drugs." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/46506.

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A series of 2-alkyl-3-arylpyrido[2,3-d]pyrimidones were synthesized for testing as potential antiepileptic drugs. The goal was to achieve better neurological activity and/or lower toxicity than displayed by a series of 2-alkyl-3-aryl-4(3H)-quinazolinones prepared previously in our research group. From the pharmacological testing data of these target compounds, we have found that the additional nitrogen at the C-8 position of the quinazolinone framework increased the anticonvulsant activity. However, the neurological toxicity increased as well. The anticonvulsant and neurotoxic activi
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Griffon, Du Bellay Amaury. "Synthèse de ligands du récepteu de l'Urotensine II et des récepteurs de la Mélatonine. Composés à noyau pyrido[2,3-d]pyrimidine ou imidazo[1,2-a]pyridine." Phd thesis, Université d'Orléans, 2008. http://tel.archives-ouvertes.fr/tel-00418219.

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L'Urotensine II est un peptide vasoactif que l'on retrouve chez toutes les espèces étudiées. Elle présente une partie N-terminale linéaire variable selon l'espèce et une partie C-terminale hexocyclique constante et responsable de l'activité. Parmi les ligands développés, le Palosuran, un inhibiteur sélectif du récepteur de l'Urotensine II, présente un intérêt dans le traitement de l'insuffisance rénale du patient diabétique voire dans certaines pathologies ischémiques. Dans la première partie de ce travail de thèse, une série de composés à noyau pyrido[2,3-d]pyrimidine a été développée, tout d
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Graf, Franziska. "Die Cyclin-abhängigen Kinasen 4 und 6 als Zielproteine für die Therapie und Bildgebung von Tumoren." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-38909.

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Die Cyclin-abhängigen Kinasen 4 und 6 (Cdk4/6) wurden als essentielle Enzyme für die Regulation des Zellzyklus mit kritischem Beitrag zur gestörten Zellproliferation während der Kanzerogenese identifiziert. Als Konsequenz davon erwiesen sich die Cdk4/6 als attraktive Zielproteine für die Entwicklung neuer therapeutischer Konzepte zur pharmakologischen Tumorbehandlung. Verbindungen aus der Substanzklasse der Pyrido[2,3-d]pyrimidine zeigten vielversprechende inhibitorische Wirkungen auf die Aktivität der Cdk4/6 bei gleichzeitiger herausragender Selektivität gegenüber anderen Cdk. Anschließende U
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Riadi, Yassine. "Catalyse en synthèse organique : valorisation d'un biocatalyseur original et synthèse pallado-catalysée de nouveaux dérivés pyridopyrimidiniques." Phd thesis, Université d'Orléans, 2013. http://tel.archives-ouvertes.fr/tel-00952279.

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La catalyse représente une thématique incontournable de la chimie moderne. Elle occupe une place stratégique dans la recherche de procédés de synthèse plus écologiques et plus économiques en atomes et en énergie. Notre travail réside, d'une part, dans la valorisation d'un biocatalyseur original et, d'autre part, dans la synthèse pallado-catalysée de nouveaux dérivés pyridopyrimidiniques. Dans la première partie, l'utilisation d'un nouveau support naturel préparé à base d'os animal (Animal Bone Meal : ABM) en catalyse hétérogène a été mise en oeuvre, ce qui représente une voie nouvelle et origi
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Berzosa, Rodríguez Xavier. "Diseño y síntesis de una quimioteca de sistemas 5,6-dihidropirido[2,3-d]pirimidin-7(8H)-ona no sustituidos en C4 como inhibidores potenciales de tirosina quinasas." Doctoral thesis, Universitat Ramon Llull, 2010. http://hdl.handle.net/10803/9299.

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Les Tirosina Cinases (TKs) són un grup de Proteïna Cinases claus en la senyalització cel·lular. Aquestes Cinases estan implicades, entre d'altres, en processos de creixement tumoral, fet que fa que la recerca d'inhibidors de TKs sigui una àrea d'investigació molt important en química mèdica.<br/>En aquest context es desenvolupa el present treball en el qual es pretenen sintetitzar inhibidors potencials de Tirosina Cinases amb estructura 4-hidrogenpirido[2,3-d]pirimidínica. Molècules amb aquesta estructura han presentat elevada activitat com inhibidors de TKs pel que en primer lloc s'aborda la
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Galve, Murillo Iñaki. "Síntesis de pirido[2,3-d]pirimidin-7(8H)-onas 2-arilamino sustituidas y derivados." Doctoral thesis, Universitat Ramon Llull, 2013. http://hdl.handle.net/10803/101403.

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Les Cinases de Proteïna (PKs) estan implicades en processos fonamentals de la regulació del cicle cel•lular. L’acumulació d’anomalies als mecanismes de control i el comportament disfuncional que se’n deriva han estat detectats a cèl•lules de diferents teixits afectades per càncer, desordres immunològics, endocrins, nerviosos, neurodegenaratius, cardiovasculars, malalties infeccioses, diabetis, Alzheimer, asma, restenosi, arteriosclerosi, leucèmia, artritis, etc. Però d’entre totes les PKs, les Cinases de Tirosina (TKs) han estat destacades com a l’element central de tots aquests processos i, p
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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 le
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Book chapters on the topic "PYRIDO[2,3- d]PYRIMIDINE"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) chloride complex with methyl-2-amino-4-diethylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_486.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) bromide complex with methyl-2-amino-4-diethylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_487.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) chloride complex with methyl-2-amino-4-ethylphenylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_488.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) bromide complex with methyl-2-amino-4-ethylphenylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_489.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) chloride complex with methyl-2-amino-4-morpholinothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_490.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) bromide complex with methyl-2-amino-4-morpholinothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_491.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) chloride complex with methyl-2-amino-4-diethylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_786.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) bromide complex with methyl-2-amino-4-diethylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_787.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) chloride complex with methyl-2-amino-4-ethylphenylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_788.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) bromide complex with methyl-2-amino-4-ethylphenylaminothieno[2, 3-d] pyrimidine-6-carboxylate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_789.

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Conference papers on the topic "PYRIDO[2,3- d]PYRIMIDINE"

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Dotsenko, Victor, Vyacheslav Muraviev, Darya Lukina, and Vladimir Strelkov. "Synthesis of new spiro pyrido[3',2':4,5]thieno[3,2-d]pyrimidines." In The 21st International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2017. http://dx.doi.org/10.3390/ecsoc-21-04803.

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