Academic literature on the topic 'Schiff bases Pyrimidine'

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Journal articles on the topic "Schiff bases Pyrimidine"

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C., Mallikarjunaswamy*1 V. Lakshmi Ranganatha2 L. Mallesha1 D.G. Bhadregowda3. "NOVEL PYRIMIDINE SCHIFF BASES: SYNTHESIS AND PHARMACOLOGICAL SCREENING." INDO AMERICAN JOURNAL OF PHARMACEUTICAL RESEARCH 07, no. 01 (2017): 7329–39. https://doi.org/10.5281/zenodo.1005166.

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Schiff bases are aldehydelike compounds in which an imine group replaces the carbonyl group. They are widely used for industrial purposes and also exhibit a broad range of biological activities. This study represents the synthesis of a new series of (E) -N-benzylidene-5-bromo-2-chloropyrimidin-4-amine derivatives (6a-l). The newly synthesized compounds were characterized by different spectral studies. All these new compounds screened for their anti-inflammatory, antimicrobial and in vitro antioxidant activities. Structure–activity relationship analysis demonstrates that hydroxyl groups on the
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Chandrashekaraiah, Mallikarjunaswamy, Mallesha Lingappa, Vathsala Deepu Channe Gowda, and Doddamedur Giddegowda Bhadregowda. "Synthesis of Some New Pyrimidine-Azitidinone Analogues and Their Antioxidant,In VitroAntimicrobial, and Antitubercular Activities." Journal of Chemistry 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/847180.

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A series of 1-(3-(4-(pyridin-3-yl)pyrimidin-2-ylamino)-4-methylphenyl)-3-chloro-4-(2-mercaptoquinolin-3-yl)azetidin-2-one (7a-j) have been synthesized from the condensation of aromatic amines withN-phenylacetamide. The thione nucleus formed from 2-chloroquionoline-3-carbadehyde using sodium sulphide in dimethyl formamide (DMF) was followed by the reaction with pyrimidine amine to form the Schiff base intermediates. Attempt has been made to derive final azetidinone analogues from Schiff bases by using chloroacetyl chloride. The newly synthesized analogues were examined for the antimicrobial act
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Bhusari, Nilesh, Abhay Bagul, Vipin Kumar Mishra, Aisha Tufail, Digambar Gaikwad, and Amit Dubey. "Sustainable synthesis of Schiff base derivatives via an ionic liquid and a microwave-assisted approach: structural, biological, and computational evaluation." RSC Advances 15, no. 28 (2025): 22764–88. https://doi.org/10.1039/d5ra02622a.

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A microwave-assisted method was developed for synthesizing novel 4-amino-pyrrolo[2,3-d]pyrimidine-based Schiff bases (APR1a–d), using ionic liquid [HMIM][TFSI] as both catalyst and solvent, offering a green and efficient approach.
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Hegab, Mohamed I., Nasser A. Hassan, and Farouk M. E. Abdel-Megeid. "Three-component Reaction of Cycloheptanone, 6-Amino-1,3-Dimethyluracil and Aromatic Aldehydes; X-Ray Structure, and Anti-inflammatory Evaluation of the Products." Zeitschrift für Naturforschung B 63, no. 9 (2008): 1117–26. http://dx.doi.org/10.1515/znb-2008-0917.

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1,3-Dimethyl-5-aryl-1,6,7,8,9,10-hexahydrocyclohepta[5,6]pyrido[2,3-d]pyrimidine-2,4-diones 4a, b (the linear regioisomers) and the Schiff bases, 6-N-benzylidenamino-1,3-dimethyluracil derivatives 5a, b, were isolated from a three-component reaction of cycloheptanone, 6-amino-1,3- dimethyluracil, and 4-chloro- or 4-bromobenzaldehyde. Surprisingly, 1,3-dimethyl-10-aryl-1,5,6,7, 8,9-hexahydrocyclohepta[4,5]pyrido-[2,3-d]pyrimidine-2,4-diones 6f, g (the angular regioisomers which are described for the first time in the literature under the given reaction conditions) and the Schiff bases, 6-N-benz
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Bryndal, Iwona, Marcin Stolarczyk, Aleksandra Mikołajczyk, et al. "Pyrimidine Schiff Bases: Synthesis, Structural Characterization and Recent Studies on Biological Activities." International Journal of Molecular Sciences 25, no. 4 (2024): 2076. http://dx.doi.org/10.3390/ijms25042076.

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Recently, 5-[(4-ethoxyphenyl)imino]methyl-N-(4-fluorophenyl)-6-methyl-2-phenylpyrimidin-4-amine has been synthesized, characterized, and evaluated for its antibacterial activity against Enterococcus faecalis in combination with antineoplastic activity against gastric adenocarcinoma. In this study, new 5-iminomethylpyrimidine compounds were synthesized which differ in the substituent(s) of the aromatic ring attached to the imine group. The structures of newly obtained pyrimidine Schiff bases were established by spectroscopy techniques (ESI-MS, FTIR and 1H NMR). To extend the current knowledge a
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Tomma, Jumbad H., Mustafa S. Khazaal, and Ammar H. Al-Dujaili. "Synthesis and characterization of novel Schiff bases containing pyrimidine unit." Arabian Journal of Chemistry 7, no. 1 (2014): 157–63. http://dx.doi.org/10.1016/j.arabjc.2013.08.024.

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S., V. Manohare, and S. Thakare S. "Synthesis and Spectral Characterization of Pyrimidine Based 2-Azetidinones." International Journal of Current Science Research and Review 06, no. 05 (2023): 3059–63. https://doi.org/10.5281/zenodo.7988935.

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Abstract : In this study we report the synthesis of a series of 2-Azetidinones from N-(4-(5-bromothiophen-2-yl)-6-(4-chlorophenyl)pyrimidin-2- yl)-1-(aryl) methanimine. A mixture of N-(4-(5-bromothiophen-2-yl)-6-(4-chlorophenyl)pyrimidin-2- yl)-1-(aryl) methanimine and triethyl amine was reacted with chloroacetyl chloride in 1,4-dioxane. The N-(4-(5-bromothiophen-2-yl)-6-(4 -chlorophenyl) pyrimidin-2- yl)-1-(aryl) methanimine was prepared from reaction of  4-(5-bromothiophene-2-yl)-6-(4-chloropheneyl)pyrimidin-2-amine with aromatic aldehydes in ethanol in presence of catalytic acetic acid
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Kareem, May Joda. "Synthesis, Spectroscopic Study and Biological Activity of new Bidentate Schiff Base (4-(Dimethylamino) Benzylidene)-5-(3,4,5-Trimethoxybenzyl)-5 Pyrimidine-2,4-Diamine) and Transition Metal Mn(II), Ni(II) and Cu(II) Complexes." Pakistan Journal of Medical and Health Sciences 16, no. 5 (2022): 655–59. http://dx.doi.org/10.53350/pjmhs22165655.

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The Schiff bases ligand (L1) was synthesized by condensing (2,4-diamine (Trimethoxybenzyl 3,4,5)-5 pyrimidine) and (4-dimethylamino benzaldehyde). The transition metal complexes of [Mn(L1)2Cl2], [Ni(L1)2Cl2], and [Cu (L1)2Cl2] were then produced. The ligand and its metal complexes Mn(II), Ni(II), and Cu(II) were examined by analyzing the elemental composition, the metal content, the chloride content, and the molar conductance, FT-IR, 1H-NMR, UV-Vis spectra, magnetic susceptibility, mass spectra, and thermal analysis (TGA). The results indicated that the ligand behaves as a bidentate ligand in
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Issa, Yousry M., A. L. El Ansary, O. E. Sherif, and H. B. Hassib. "Charge–transfer complexes of pyrimidine Schiff bases with aromatic nitro compounds." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 79, no. 3 (2011): 513–21. http://dx.doi.org/10.1016/j.saa.2011.03.022.

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Li, Mou-Cui, Ying-Hui Ren, Yu-Ying Han, et al. "Novel Pyrimidine-Triazole Schiff Bases: Synthesis, Antifungal Activities, DFT and Molecular Docking." Revista de Chimie 72, no. 4 (2021): 65–74. http://dx.doi.org/10.37358/rc.21.4.8457.

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Seven 4-amino-5-substituted-1,2,4-triazole-3-thione Schiff base compounds were synthesized reacting 4-amino-5-substituted-1,2,4-triazole-3-thione with dichloro-substituted 5-pyrimidines, and the structures were verified by elemental analysis and spectroscopic techniques (FT-IR, 1H NMR). Additionally, in vitro antifungal activities of the compounds (named F1~F2; A1~A5) against Grape anthracnose and Wheat gibberellic have been evaluated. The compounds of F1, A4 and A5 were found to be potentially effective antifungal agents against Grape anthracnose, while the others showed the low bioactivity.
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Dissertations / Theses on the topic "Schiff bases Pyrimidine"

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Lin, Yang-Chu, and 林洋鉅. "Studies on liquid crystals : Syntheses of Schiff''s base complexes with fluorinated side-chain , pyrimidine and triazine derivatives." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/79173137596257102221.

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碩士<br>國立臺灣大學<br>化學研究所<br>88<br>We have introduced the perfluorinated aliphatic side chains into several Schiff''s base-typed liquid crystalline complexes and investigated the effects of fluorination on the mesophases. In general, the melting points of the perfluorinated complexes are higher than the corresponding hydrocarbon analogues, and the difference increases as increasing the number of the difluorine methylene units. Moreover, it was found that the introduction of the perfluorinated side chains stabilizes the Smetic phase in the SBL-3A-R series, but it inhibits the formation of the Sc ph
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Book chapters on the topic "Schiff bases Pyrimidine"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) complex with pyrimidine derived Schiff-base." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 8. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-66460-5_43.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) complex with pyrimidine derived Schiff-base." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 8. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-66460-5_44.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex with pyrimidine derived Schiff-base ligand." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 8. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-66460-5_469.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) complex with Schiff-base derived from pyrimidine-2-thione." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 3. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62470-8_206.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex with Schiff-base derived from pyrimidine-2-thione." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 4. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62474-6_470.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of dinuclear copper(II) complex with pyrimidine derived Schiff-base ligand and 4,4′-bipyridine." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 8. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-66460-5_433.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of bis(μ-phenoxo) bridged dinuclear copper(II) complex with pyrimidine derived Schiff-base ligand." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 8. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-66460-5_434.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex with heterocyclic Schiff-base derived from pyrimidine-2-one and 3-hydroxysalicylaldehyde." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 4. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62474-6_471.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) chloro complex with heterocyclic Schiff-base derived from pyrimidine-2-one and 3-hydroxysalicylaldehyde." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 3. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62470-8_207.

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Pardasani, R. T., and P. Pardasani. "Molar magnetic moment of cobalt(II) complex with Schiff-base derived from 1-amino-5-benzoyl-4-phenyl-1H-pyrimidine-2-one and 3-hydroxysalicylaldehyde." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 2. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62466-1_354.

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Conference papers on the topic "Schiff bases Pyrimidine"

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"Antimicrobial Activity of 2-Nitro-6-[(4-Phenyl-Benzo[4,5]imidazo[1,2-a] Pyrimidin-2-ylimino)-Methyl]-Phenol: A Novel Schiff Base Compound." In Nov. 27-28, 2017 South Africa. EARES, 2017. http://dx.doi.org/10.17758/eares.eap517211.

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Iyappan, M., E. Dhineshkumar, and C. Anbuselvan. "Synthesis of Schiff based E-4-(((1H-indol-3-yl)methylene) amino)-N-(pyrimidin-2-yl)benzenesulfonamide it’s highly sensitive and selective of turn-on chemosensor for recognition of Pb2+ ion." In RECENT TRENDS IN PURE AND APPLIED MATHEMATICS. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5135199.

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