Relevant bibliographies by topics / 4-Amino Quinazoline

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic '4-Amino Quinazoline'

Author: Grafiati
Published: 9 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "4-Amino Quinazoline"

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Widiyana, Anita Puspa. "COMPUTATION DESIGN OF QUINAZOLINE-4(3H)-ON DERIVATIVES AS CYCLOOXYGENASE-2 (COX-2) INHIBITOR." Jurnal Farmasi Sains dan Praktis 7, no. 2 (2021): 163–70. http://dx.doi.org/10.31603/pharmacy.v7i2.4827.

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 The 3-(benzylideneamino)-2-(2,4-dichlorophenyl)-quinazoline-4(3H)-ones (BDCQ) are compounds developed as anticancer drugs and quinazolines. The activity and bioavailability of BDCQ derivatives as anticancer compounds that inhibit COX-2 can be predicted by computer programs and online servers. Substituents are added at positions 2 and 3 to the quinazoline-4(3H)-on ring, such as -H, -NO2, -OCH3, -N(CH3)2, -SO2NH2, -OH, and –OCH3. QSAR as COX-2 inhibitor analysis was performed by SPSS Ver. 21 software. Lipinski’s rule of five for determining bioavailability is performe
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Martynenko, Yulya, Oleksii Antypenko, Inna Nosulenko, Galina Berest, and Sergii Kovalenko. "Directed Search of Anti-inflammatory Agents Among (3HQuinazoline- 4-ylidene)hydrazides of N-protected Amino acids and their Heterocyclization Products." Anti-Inflammatory & Anti-Allergy Agents in Medicinal Chemistry 19, no. 1 (2020): 61–73. http://dx.doi.org/10.2174/1871523018666190115092215.

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Background: (Quinazoline-4-ylidene)hydrazides are valued intermediates in modern organic chemistry, as they are commonly used for the synthesis of substituted [1,2,4]triazolo[1,5-c]quinazolines. Objective: Unknown N-acyl-2-([1,2,4]triazolo[1,5-c]quinazoline-2-yl)-alkyl-(alkaryl-, aryl-) amines were synthesized and evaluated for anti-inflammatory potential. Methods: The peculiarities of the synthesized compounds structures were studied by IR-, NMR spectroscopy and chromatography-mass spectrometry and were discussed in detail. Probable molecular mechanisms of activity (inhibition of COX-1 and CO
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Peter Osarodion Osarumwense, Mary Olire Edema, and Cyril Odianosen Usifoh. "Synthesis and antibacterial activities of quinazolin-4(3h)-one, 2-methyl-4(3h)-quinazolinone and 2–phenyl-4(3h)-quinazolinone." International Journal of Biological and Pharmaceutical Sciences Archive 1, no. 2 (2021): 077–84. http://dx.doi.org/10.30574/ijbpsa.2021.1.2.0027.

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Background: Quinazoline and quinazolinone scaffolds represent an important class of biologically active nitrogen heterocyclic compounds. Many marketed drugs are based on these moieties. A diverse range of molecules with quinazoline/quinazolinone moieties have been reported to exhibit broad spectrum of biological activities Objective: This study is aimed at the synthesis of these quinazolinone derivatives, quinazolin-4(3H)-One, 2-Methyl-4(3H)-quinazolinone and 2–Phenyl-4(3H)-quinazolin-4(3H)–one and evaluate them for their antibacterial activities. Method: The consolidation of 2-amino-methyl-4-
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Srivastav, Manish, MD Salahuddin, and S. M. Shantakumar. "Synthesis and Anti-inflammatory Activity of Some Novel 3-(6-Substituted-1, 3-benzothiazole-2-yl)-2-[{(4-substituted phenyl) amino} methyl] quinazolines-4 (3H)-ones." E-Journal of Chemistry 6, no. 4 (2009): 1055–62. http://dx.doi.org/10.1155/2009/507052.

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A series of novel 3-(6-substituted-1, 3-benzothiazole-2-yl)-2-[{(4-substituted phenyl) amino} methyl] quinazolines-4(3H)-ones were synthesized by treating 2-(chloromethyl)-3-(6-substituted-1, 3-benzothiazole-2-yl) quinazoline-4-(3H)-one (IIa-d) with various substituted amine. The compounds (IIa-d) prepared by treating 2-[(chloroacetyl) amino] benzoic acid with different 2-amino-6-substituted benzothiazole. Elemental analysis, IR,1HNMR and mass spectral data confirmed the structure of the newly synthesized compounds. Synthesized quinazolines-4-one derivative were investigated for their anti-inf
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Špirková, Katarína, and Štefan Stankovský. "Annelation to the Quinazoline Ring. Preparation of Some Substituted 2H-Imidazo- and 2,3-Dihydropyrimido[1,2-c]quinazolines." Collection of Czechoslovak Chemical Communications 61, no. 6 (1996): 957–61. http://dx.doi.org/10.1135/cccc19960957.

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Preparation of some substituted 2H-imidazo[1,2-c]quinazolin-3-ones (2a-2f) and 2,3-dihydropyrimido[1,2-c]quinazolin-4-ones (3a-3c) by reaction of corresponding 3H-quinazoline-4-thiones (1a-1d) with amino acid esters is described. IR, 1H NMR and 13C NMR spectra of the compounds synthesized are presented.
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Bhavesh, Amrute B., Amrutkar D. Rakesh, and Tambe R. Santosh. "Design and Molecular Docking Studies of Some 2,3 Di-Substituted Quinazolin-4-One Analogues Against Staphylococcus aureus UDG." Current Computer-Aided Drug Design 16, no. 4 (2020): 402–6. http://dx.doi.org/10.2174/1573409915666190916100437.

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Background: In this present investigation, some 2, 3 disubstituted-quinazolin-4-one derivatives are designed and docked against chain A and chain B of (3WDF) receptor. Methods: The heterocyclic fused rings quinazolinone have drawn a great attention owing to their expanded applications in the field of pharmaceutical chemistry. The diverse range of molecules with quinazoline/quinazolinone moieties have been reported to exhibit a broad spectrum of biological activities. Results: The results designate that the quinazolinone ring forms hydrophobic and hydrogen bond contacts with ASN 127 A, ALA 126
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Abdel-Megeed, Mohamed Farghali, and Abderrahman Teniou. "Synthesis of some 3-substituted 4(3H)-quinazolinone and 4(3H)-quinazolinethione derivatives and related fused biheterocyclic ring systems." Collection of Czechoslovak Chemical Communications 53, no. 2 (1988): 329–35. http://dx.doi.org/10.1135/cccc19880329.

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The reactions of 2-phenyl-4(3H)-quinazoline, 2-phenyl-3-amino-4(3H)-quinazolinone, and corresponding thiones with phenyl isocyanate or phenyl isothiocyanate were investigated. The resulting urea and thiourea quinazolinone or quinazolinethione derivatives reacted with hydrazine hydrate, phenylhydrazine, and urea or thiourea to form fused biheterocyclic ring systems with potential biological activities. The products were identified by IR, 1H NMR, and mass spectroscopy.
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Javzan, S., D. Selenge, Y. Jamyansan, J. Nadmid, and Yu Ouynbileg. "Alkaloids from cultivated plant of Peganum harmala L." Mongolian Journal of Chemistry 12 (September 24, 2014): 113–16. http://dx.doi.org/10.5564/mjc.v12i0.184.

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Alkaloids such as 1H-cyclopenta(b) quinoline, 2.3.5.6.7.8-hexahydro-9-amino-; Vasicinone(1H-Pyrrоlo[2.1-b]quinazolin-9-one,3-hydroxy-2.3-dihydro) and harmine were isolated from cultivated plant of P. harmala. Four unknown alkaloids were isolated from P. harmala for the first time: 2.2.6.6-Tetramethyl-4-piperidone., Quinoline, 2.3.4-trimethyl-., Pyridine, 2-phenoxy-4- amino- and 4-(3-Propynyloxy)- quinazoline. Their structures were determined by GC-MS.DOI: http://dx.doi.org/10.5564/mjc.v12i0.184 Mongolian Journal of Chemistry Vol.12 2011: 113-116
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Markosyan, A. I., A. S. Ayvazyan, S. А. Gabrielyan, M. Yu Danghyan, J. A. Avakimyan, and F. H. Arsenyan. "Synthesis and Some Regularities of Transformations of 5,5-Dimethyl-3-(2-methylalyl)-2-thioxo-2,3,5,6-tetrahydrobenzo[h]quinazoline-4(1H)-one. Antibacterial Activity of the Obtained Compounds." Журнал общей химии 94, no. 3 (2024): 376–84. http://dx.doi.org/10.31857/s0044460x24030083.

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Based on ethyl 1-amino-3,3-dimethyl-3,4-dihydronaphthalene-2-carboxylate (amino ester), a method for the synthesis of 5,5-dimethyl-3-(2-methylallyl)-2-thioxo-2,3,5,6-tetrahydrobenzo[h]quinazoline-4(1H)-one was developed. The latter was alkylated with halides of various structures, resulting in the production of 2-alkylsulfanyl-5,5-dimethyl-3-(2-methylallyl)-5, 6-dihydrobenzo[h]quinazoline-4(3H)-ones. By condensation of thioxobenzoquinazoline with hydrazine hydrate, 2-hydrazinyl-5,5-dimethyl-3-(2-methylallyl)-5,6-dihydrobenzo[h]quinazoline-4(3H)-one was synthesized, but similar reactions with 2
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Sulthana M.T, Chitra K, and Alagarsamy V. "Synthesis of novel 4-oxo-N-(4-oxo-3-substituted-3,4-dihydroquinazolin-2-yl amino)-2-phenylquinazoline-3(4H)-carboxamidines as AntiHIV, antitubercular and antibacterial agents." International Journal of Research in Pharmaceutical Sciences 10, no. 3 (2019): 2186–92. http://dx.doi.org/10.26452/ijrps.v10i3.1449.

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A series of novel 4-oxo-N-(4-oxo-3-substituted-3,4-dihydroquinazolin-2-yl amino)-2-phenylquinazoline-3(4H)-carboxamidines are prepared from methyl 4-oxo-2-phenylquinazoline-3(4H)-carbthioimidate & 3-(substituted)-2-hydrazino-quinazoline-4(3H)-ones. The starting material 4-oxo-2-phenylquinazoline-3(4H)-carbthioimidates were prepared from anthranilic acid while the 3-(substituted)-2-hydrazino-quinazolin-4(3H)-one was prepared from a range of 1° amines using multistep preparation. Entire synthesized analogues were screened for their antitubercular, anti-HIV and antibacterial activity. Among t
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Dissertations / Theses on the topic "4-Amino Quinazoline"

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BIANCO, ANNALISA. "Virus-host interactions in hepatitis C virus infection: implications for pathogenesis and therapy." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2012. http://hdl.handle.net/10281/29914.

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Virus-host interactions are crucial for the pathogenesis of Hepatitis C. Disease progression and response to therapy depends from viral and host factors and from their mutual interactions. The study of host and viral factors is also of primary importance for the development of new antiviral therapies. The goal of this work was to investigate some of the most relevant viral and host factors in order to improve their knowledge and the possibility to translate this knowledge to a useful clinical application. CHAPTER 2: Metabolism of Phosphatidylinositol 4-Kinase IIIα-Dependent PI4P is Subverted
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REGHELLIN, VERONICA. "Studies on the mechanism of action of antiviral agents targeting the replication complex of hepatitis c virus." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/52708.

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At the moment, several companies are studying the clinical potential of different all-oral combinations of direct-acting antivirals in ongoing studies. The most promising interferon-free combination therapies that are on the horizon include linear or cyclic NS3/4A protease inhibitors, nucleoside as well as non-nucleoside NS5B polymerase inhibitors , and NS5A inhibitors. DAAs that target NS3/4A (protease) and NS5B (RNA-dependent RNA polymerase) inhibit the enzymatic activity of these proteins. NS5A replication complex inhibitors will likely form a component of future interferon-free dru
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Kanmacher, Isabelle. "Les substances alpha-2 adrenergiques : pharmacochimie d'isoquino 1, 2-b quinazolines et d'(amino-2 benzyl)-2 tetrahydro-1, 2, 3, 4 isoquinoleines aux proprietes alpha-antagonistes." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13250.

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Hallé, François. "Conception, développement et synthèse de ligands du TSPO dans le but de traiter les maladies neurodégénératives." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAF054/document.

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Les neurostéroïdes sont des composés endogènes qui peuvent moduler la transmission synaptique et avoir un effet neuroprotecteur dans les maladies neurodégénératives. Les systèmes régulant leur biosynthèse ne sont pas connus mais la première étape de celle-ci peut être régulée par la protéine TSPO. Cette protéine mitochondriale facilite le transport du cholestérol vers l’intérieur de la mitochondrie pour y être métabolisé en prégnénolone. Ce stéroïde est le précurseur principal de la biosynthèse des neurostéroïdes et l’utilisation in vitro de ligands du TSPO permet d’augmenter sa sécrétion. Dan
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Book chapters on the topic "4-Amino Quinazoline"

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Ubale, Panchsheela Ashok, Amit Arvind Kamble, Maina Machindra Awatade, and Vasant Baburao Helavi. "Synthesis and Characterization of Copper(II), Cadmium(II) and Nickel(II) Complexes Containing 3-Amino-2-Methyl-4(3H)Quinazoline and Triphenylphosphine as Ligands." In Techno-Societal 2020. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69925-3_91.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) chloride complex with 2-methyl-3-amino(3H)-quinazolin-4-one." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_457.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) bromide complex with 2-methyl-3-amino(3H)-quinazolin-4-one." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_458.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) perchlorate complex with 2-methyl-3-amino(3H)-quinazolin-4-one." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_459.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) nitrate complex with 2-methyl-3-amino(3H)-quinazolin-4-one." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_460.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) sulphate complex with 2-methyl-3-amino(3H)-quinazolin-4-one." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_461.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) thiocyanate complex with 2-methyl-3-amino(3H)-quinazolin-4-one." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_462.

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Chhabra, G. S., and Ravi Tiwari. "Study on Syntheses and Antimicrobial Activities of Derivatives of 3-Amino-2-methyl-quinazolin-4-(3H)-one." In New Innovations in Chemistry and Biochemistry Vol. 7. Book Publisher International (a part of SCIENCEDOMAIN International), 2022. http://dx.doi.org/10.9734/bpi/nicb/v7/1735b.

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Conference papers on the topic "4-Amino Quinazoline"

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Fernández, Gabriela Araceli, Daniela Fidalgo, Rocio Rosas, et al. "Activiral activity and physicochemical properties of 4-Amino-phenyl-quinazoline derivatives for Bovine Viral Diarrhea Virus (BVDV)." In The 23rd International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2019. http://dx.doi.org/10.3390/ecsoc-23-06503.

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Wang, Caolin, Yiqiang Ouyang, and Zhou Lan. "Synthesis of N-(3-chloro-4-fluorophenyl)-6-nitro-7-((tetrahydrofuran-3-yl) oxy) quinazolin-4-amine." In 2016 7th International Conference on Education, Management, Computer and Medicine (EMCM 2016). Atlantis Press, 2017. http://dx.doi.org/10.2991/emcm-16.2017.115.

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Cruz-Monteagudo, Maykel, Fernanda Borges, and M. Natália Cordeiro. "MOOP-DESIRE-based Simultaneous Optimization of the Analgesic, Antiinflammatory, and Ulcerogenic Profiles of 3-(3-Methylphenyl)-2-Substituted Amino-3H-Quinazolin-4-ones." In The 12th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2008. http://dx.doi.org/10.3390/ecsoc-12-01287.

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Sova, Matej, Ana Dolšak, Urban Švajger, Samo Lešnik, Janez Konc, and Stanislav Gobec. "Discovery of novel selective TLR7 agonists based on chromeno[3,4-<em>d</em>]imidazol-4(1<em>H</em>)-one and 2-(trifluoromethyl)quinoline/ quinazoline-4-amine scaffold." In 6th International Electronic Conference on Medicinal Chemistry. MDPI, 2020. http://dx.doi.org/10.3390/ecmc2020-07382.

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