Relevant bibliographies by topics / Benzylidene derivative

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

Academic literature on the topic 'Benzylidene derivative'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Benzylidene derivative"

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Kawsar, Sarkar MA, Abul KMS Kabir, MOhammad MR Bhuiyan, and Mohammad M. Manik. "Synthesis And Characterization Of Methyl 4, 6-O-Enzylidene- ?-D-Glucopyranoside Derivatives." Journal of the Bangladesh Chemical Society 25, no. 2 (2013): 101–9. http://dx.doi.org/10.3329/jbcs.v25i2.15045.

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Regioselective benzoylation of methyl 4,6-O-benzylidene-?-D-glucopyranoside (1) using direct acylation method furnished the methyl 4,6-O-benzylidene-2-O-(4-t-butylbenzoyl)- ?-D-glucopyranoside (2) in an excellent yield. In order to obtain newer products for antimicrobial screening studies, the 2-O-4-t-butylbenzoyl derivative was further transformed to a series of 3-O-acyl derivatives (2-12) containing a wide variety of functionalities in a single molecular framework. Journal of Bangladesh Chemical Society, Vol. 25(2), 101-109, 2012 DOI: http://dx.doi.org/10.3329/jbcs.v25i2.15045
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Singh Sethi, Navjot, Dn Prasad, Deepak Bhagwat, Anuradha Kumari, Madhu Sharma, and Sangeeta Kaundal. "SYNTHESIS, SPECTRAL, AND PHARMACOLOGICAL EVALUATION OF 3 AND 5 SUBSTITUTED 2,4-THIAZOLIDINEDIONE DERIVATIVES." Asian Journal of Pharmaceutical and Clinical Research 11, no. 11 (2018): 363. http://dx.doi.org/10.22159/ajpcr.2018.v11i11.12008.

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Background: 2,4-Thiazolidinedione derivatives was launched as antidiabetics in 90’s. Later the derivatives of 2,4-thiazolidinedione were banned due to hepatotoxicity. To the date, much research has been directed toward the synthesis and novel uses of 2,4-thiazolidinedione compounds.Aim: The aim of the present study is to synthesize a set of 3,5-disudstituted-2,4-thiazolidinediones as antimicrobial. These compounds were evaluated for their antimicrobial activity.Method: First, the 2,4-thiazolidinedione was substituted at the position of 3 using sodium hydroxide and ethanol and then substituted
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Marchalín, Štefan, and Josef Kuthan. "Synthesis of 3,5-dicyano-4-phenyl-2,6-bis(4-p-terphenylyl)-1,4-dihydropyridine. An attempt at extending the Hantzsch synthesis." Collection of Czechoslovak Chemical Communications 50, no. 9 (1985): 1962–70. http://dx.doi.org/10.1135/cccc19851962.

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The 3-oxopropanenitrile IIIc, prepared from 4-acetyl-p-terphenyl (IV) by the sequence IV → V → VI → IIIc, reacts with benzaldehyde and ammonium acetate in acetic acid to give the Hantzsch 1,4-dihydropyridine VIIc and the corresponding pyridine derivative VIIIc. The alternative cyclocondensation of benzylidene derivative IIc and 3-oxopropanenitrile IIIc in the presence of ammonium acetate exclusively gives the pyridine derivative VIIIc. Rate of thermal and oxidative aromatizations of the 1,4-dihydropyridine derivatives, VIIa → VIIc → VIIIa → VIIIc, decreases in the order VIIc > VIIb > VII
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Elbannany, Afaf A. A., and Laila I. Ibrahim. "Synthesis of 1-Benzoylpyrroline Derivative and Related Compounds." Zeitschrift für Naturforschung B 44, no. 2 (1989): 233–36. http://dx.doi.org/10.1515/znb-1989-0222.

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Maturi Someswara Rao, Tadiboina Bhaskara Rao, Cherukumalli Purna Koteswara Rao, and Nagaraj Maddur. "Synthesis And Characterization Of Novel Pyrimidine-4,5-Diamine As Anticancer Agent." International Journal of Research in Pharmaceutical Sciences 11, no. 3 (2020): 4334–41. http://dx.doi.org/10.26452/ijrps.v11i3.2649.

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Unlike latent cells, cancer cells supply deoxyribonucleoside triphosphates to cells continuously and thereby, prop up the uncontrolled cancer growth. Pyrimidine has been concerned in the separation of leukemic cells, known as adenine bioisosteres, as well as its biological activities, especially its anticancer properties. In this context, a novel series of N5-(3-substituted benzylidene)-N4-phenyl pyrimidine-4,5-diamine [5A-5F] / N5-(2-substituted benzylidene)-N2,N2-dimethyl-N4-phenyl pyrimidine-2,4,5-triamine [5a-5f] were synthesized by using the starting ingredient formimidamide/4-(dimethylam
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Csuvik, Oszkár, Nikoletta Szemerédi, Gabriella Spengler, and István Szatmári. "Synthesis of 4-Hydroxyquinolines as Potential Cytotoxic Agents." International Journal of Molecular Sciences 23, no. 17 (2022): 9688. http://dx.doi.org/10.3390/ijms23179688.

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The synthesis of alkyl 2-(4-hydroxyquinolin-2-yl) acetates and 1-phenyl-4-(phenylamino)pyridine-2,6(1H,3H)-dione was optimised. Starting from 4-hydroxyquinolines (4HQs), aminomethylation was carried out via the modified Mannich reaction (mMr) applying formaldehyde and piperidine, but a second paraformaldehyde molecule was incorporated into the Mannich product. The reaction also afforded the formation of bisquinoline derivatives. A new 1H-azeto [1,2-a]quinoline derivative was synthesised in two different ways; namely starting from the aminomethylated product or from the ester-hydrolysed 4HQ. Wh
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Shabani-Nooshabadi, Mehdi, Mohsen Behpour, Faezeh Sadat Razavi, Masood Hamadanian, and Vajihe Nejadshafiee. "Study of N-benzylidene derivatives synthesized as corrosion inhibitors for copper in HCl solution." RSC Advances 5, no. 30 (2015): 23357–66. http://dx.doi.org/10.1039/c5ra00561b.

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Corrosion inhibition of the two N-benzylidene derivative compounds, as corrosion inhibitors for copper in HCl 6.0 M have been studied by electrochemical methods such as potentiodynamic polarization measurements and EIS.
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Patroni, JJ, RV Stick, BW Skelton та AH White. "The Selective Monobenzylidenation of Some Monosaccharides and Their Derivatives With α,α-Dimethoxytoluene". Australian Journal of Chemistry 41, № 1 (1988): 91. http://dx.doi.org/10.1071/ch9880091.

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The treatment of some monosaccharides and their derivatives with a,a-dimethoxytoluene and an acid catalyst in dimethylformamide at about 80° can lead to selective benzylidenation , e.g. methyl a-D- mannopyranoside gives mainly methyl 4,6-Obenzylidene-a-D-mannoside, together with two other minor monobenzylidene derivatives (2,3-) and two minor dibenzylidene derivatives (2,3:4,6-). The treatment of various other pyranoses and pyranosides is also described. As well, a 1H n.m.r . study of the acid transformation of some of the above α-D- mannosides is reported, together with a single-crystal X-ray
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Thabet, H. Kh, Mohd Imran, Mohd Imran, Saleh Alaql, and M. H. M. Helal. "Bis(2-cyanoacetamide) in Heterocyclic Synthesis: Synthesis of Some Bis[2-oxopyridine, 2-iminochromene, Chromeno[3,4-c]pyridine, Benzochromeno[3,4-c]pyridine] Derivatives." Oriental Journal Of Chemistry 40, no. 1 (2024): 65–73. http://dx.doi.org/10.13005/ojc/400108.

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N,N'-(methylenebis(1,4-phenylene))bis-(2-cyanoacetamide) was exploited as a precursor for synthesing some bis (benzylidene 5a-c, pyridines 7, 8, 10a,b, chromene 14, benzochromene 15) derivatives containing diphenyl-methylene spacer via the reaction with each of aromatic aldehydes, pentane-2,4-dione, acetaldehyde/ malononitrile, arylidene-malononitriles, ethyl cinnamates, 2-hydroxybenzaldehyde, and 2-hydroxy-1-naphthaldehyde). Bis(chromeno[3,4-c]pyridines 16&18) were synthesized via Michael's addition of malononitrile or ethyl cyanoacetate to bis(chromene) derivative. The newly prepared com
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Le, Zhang Gao, Kou Ni, Li Tao Guo, and Zong Bo Xie. "The Condensation Reaction of 4-Nitrobenzaldehyde and Rhodanine Catalyzed by Papain." Advanced Materials Research 830 (October 2013): 111–14. http://dx.doi.org/10.4028/www.scientific.net/amr.830.111.

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Papain was first used as the catalyst for the synthesis of 5-benzylidene rhodanine derivative through the condensation reaction of 4-nitrobenzaldehyde and rhodanine. The result showed that the yield could be up to 86% by optimizing the reaction conditions.
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Dissertations / Theses on the topic "Benzylidene derivative"

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S, Suresh. "Studies On Oxidation Of Benzylidene Derivatives." Thesis, Indian Institute of Science, 1994. https://etd.iisc.ac.in/handle/2005/151.

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Perfumery compounds isoeugenol and isosafrole can be oxidized to their aldehydes, vanillin and heliotropin respectively. The aldehydes obtained are very useful and commercially valuable products. Apart from their importance as perfumery compounds, they form important intermediates in the Pharmaceuticals and pesticide industries. Liquid phase oxidation of isosafrole using different oxidizing agents were tried. Sodium dichromate as oxidizing agent in aqueous acetic acid was found to be most suitable because of its higher yields and mild reaction conditions. This reaction was taken up for det
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S, Suresh. "Studies On Oxidation Of Benzylidene Derivatives." Thesis, Indian Institute of Science, 1994. http://hdl.handle.net/2005/151.

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Perfumery compounds isoeugenol and isosafrole can be oxidized to their aldehydes, vanillin and heliotropin respectively. The aldehydes obtained are very useful and commercially valuable products. Apart from their importance as perfumery compounds, they form important intermediates in the Pharmaceuticals and pesticide industries. Liquid phase oxidation of isosafrole using different oxidizing agents were tried. Sodium dichromate as oxidizing agent in aqueous acetic acid was found to be most suitable because of its higher yields and mild reaction conditions. This reaction was taken up for detai
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Schreiber, Adam Louis. "The Photochemistry of Thiobenzoyl Derivatives of Methyl Benzylidene-alpha-D-glucopyranoside." W&M ScholarWorks, 1999. https://scholarworks.wm.edu/etd/1539626218.

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Clay, Charles Michael. "Synthesis of Isatin Derivatives Used for the Inhibition of Pro-Apoptotic Jurkat T Cells." Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1315518391.

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Nesfu, Nadirah Zawani Binti Mohd. "Les études sur les fruits de Momordica charantia et la synthèse de dérivés de benzylidène indanone pyrazolyl substitués comme inhibiteurs de la protéase NS2B/NS3 du virus de la dengue de type 2." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0092.

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Il n'existe pas de thérapies curatives ou préventives de la dengue (DF). Seuls des soins médicaux complémentaires et une thérapie par les fluides sont disponibles pour lutter contre la dengue. Certains patients optent pour des mesures de prévention et de traitement utilisées par les peuples anciens ou des remèdes populaires pour traiter la maladie. L'un des remèdes populaires utilisés par les patients atteints de dengue à l'hôpital de Malaisie est la consommation de soupe de viande de grenouille au melon amer (Momordica charantia). La chair des fruits et les graines du Momordica charantia (M.
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Hsu, Che-Hao, and 許哲豪. "Synthesis of Benzol Pyran Fused Carbazole Derivatives through Pictet-Spengler Reaction and Synthesis of the 4-Benzylidene-3,6-di-phenylhex-2-en-5-ynal Deriva- tives via One-Pot Palladium Catalysed Sonogashira and Hydroalkynylation Cascade Reactions." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/99080233803268094885.

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碩士<br>國立臺灣師範大學<br>化學系<br>102<br>This thesis consists two parts. In which the first part of thesis describes the preparation of benzopyran fused carbazole derivatives from (2R,3R,4S)-4-(1H-indol-3-yl)-2-phenylchroman-3-amine through Pictet-Spengler reaction. A wide variety of benzopyran fused carbazole derivatives were synthesized in this process in good to moderate yields. The second part deals with the Pd catalyzed one pot Sonogashira and hydroalkynylation cascade reactions to the synthesis of the 4-benzylidene-3,6-diphenylhex-2-en-5-ynal derivatives. This is an unprecedented result whe
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Book chapters on the topic "Benzylidene derivative"

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Hiremath, P. B., K. Kantharaju, and S. H. Pattanashetty. "Microwave-assisted Synthesis of 4-Benzylidene-2-(2-fluorophenyl) Oxazol-5(4H)-one Derivatives Catalysed by Egg Shell Powder and Evaluation of Their Anti-microbial Activity." In Special Publications. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781839160783-00123.

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Lee, E., C. M. Park, and J. S. Yun,. "Total Synthesis of (3Z)-Dactomelyne." In Exercises in Synthetic Organic Chemistry. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198559443.003.0065.

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Abstract Discussion Points Explain the mechanism of step b. Explain the cis-2,6-selectivity observed in the radical cyclisation steps h and s. The gem-dichloro derivative obtained in step h could only be reduced stereoselectively with the use of a (trimethylsilyl)silane-triethylborane system. A variety of other systems only led to mixtures. Suggest a possible reason for this finding. Give a reason for the regioselectivity observed in the reductive cleavage of the benzylidene group in step I. In the radical cyclisation step s, none of the epimeric bromide was formed. When the reaction is applie
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Taber, Douglass F. "Functional Group Transformation: The Castle Synthesis of Celogentin C." In Organic Synthesis. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199965724.003.0004.

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Mark Cushman of Purdue University found (J. Org. Chem. 2010, 75, 3507) that a benzylic methyl ether 1 could be converted to the aldehyde 2 by N -bromosuccinimide. Two equivalents of NBS gave the methyl ester. Ning Jiao of Peking University used (Organic Lett. 2010, 12, 2888) NaN3 followed by DDQ to oxidize a benzylic halide 3 to the nitrile 4. Hugues Miel of Almac Sciences oxidized (Tetrahedron Lett. 2010, 51, 3216) the ketone 5 to the nitro derivative 6. The oxidative conversion of the nitro compound 7 to the ketone 8 described (Tetrahedron Lett. 2009, 50, 6389) by Vera L. Patrocinio Pereira
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LIU, Daoyu, Chaoyang DAI, Jingui QIN, Chuangtian CHEN, and Baichang WU. "POWDER SECOND HARMONIC GENERATION OF 4,4′-DISUBSTITUTED BENZYLIDENE-ANILINE DERIVATIVES." In Frontiers of Materials Research: Electronic and Optical Materials. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-444-88825-9.50094-6.

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Ohashi, Yuji. "Dynamical structure analysis of isomerization in the crystalline state." In Correlations, transformations, and interactions in organic crystal chemistry. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780198558262.003.0005.

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Abstract A single-crystal-to-single-crystal transformation is very attractive because both structures of the reactant and product are obtained by X-ray analysis using only one crystal. The topochemical process can easily be envisaged. Typical examples reported so far are the [2+2] photocyclo-addition of 2,5-distyrylpyradine (Nakanishi et al. 1977), the photopolymerization of diacetylene derivatives (Enkelmann et al. 1980), the [2+2] photodimerization of 5-benzylidene cyclopentanones (Nakanishi et al 1981), and the thermal dimerization of o-benzenedithiol cobalt complex (Miller et al. 1983). In
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Abronina, Polina I., Alexander I. Zinin, Nikita M. Podvalnyy, Leonid O. Kononov, and Sandip Pasari. "Per-O-benzoyl-1,2-O-benzylidene derivatives of Pyranoses and Furanoses—Versatile Building Blocks for Oligosaccharide Synthesis." In Carbohydrate Chemistry. CRC Press, 2017. http://dx.doi.org/10.1201/9781315120300-17.

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Bhayye, Sagar S., and Achintya Saha. "QSAR and QAAR Studies on Mixtures of 3-(Benzylidene)Indolin-2-One Isomers as Leads to Develop PET Radiotracers for Detection of Parkinson's Disease." In Research Anthology on Diagnosing and Treating Neurocognitive Disorders. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3441-0.ch019.

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Deposition of α–synuclein, tau and β–amyloid protein plaques in brain leads to neurodegeneration. A series of indolin derivatives, which can bind to α–synuclein and detect Parkinson's disease (PD), were used for development of QSAR and QAAR models. It is the first attempt of QSAR for any radiotracer agents used for detection of PD. The binding affinity against α–synuclein was used as dependent variable while independent variables, such as structural, topological, E-state keys, electronic, molecular shape analysis and spatial molecular descriptors were used for QSAR modeling. For QAAR modeling,
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Conference papers on the topic "Benzylidene derivative"

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Tsunekawa, Tetsuya, Tetsuya Gotoh, Hiroshi Mataki, Toshiyuki Kondo, Seiji Fukuda, and Masao Iwamoto. "New organic second-order nonlinear optical crystals of benzylidene-aniline derivative." In San Dieg - DL Tentative, edited by Garo Khanarian. SPIE, 1990. http://dx.doi.org/10.1117/12.22953.

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MITSIK, Laila A., Noelia M. CEBALLOS, and Walter J. PELÁEZ. "EXPEDITIOUS SYNTHESIS OF RHODANINE DERIVATIVES THROUGH MICROWAVE IRRADIATION." In Second Southern Science Conference - 2024. Araucária - Associação Científica, 2024. https://doi.org/10.48141/sscon_45_2024.pdf.

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In this study, we present an efficient and environmentally friendly method for the synthesis of 5-benzylidene and 5-cinnamylidene rhodanine derivatives, utilizing microwave irradiation as a green synthetic approach. This methodology provides several advantages, including short reaction times, high atom economy, and minimal environmental impact. The yields of the synthesized compounds ranged from 61% to 92%, with purities exceeding 95%. The use of microwave technology under mild conditions underscores the advantages of this approach for sustainable organic synthesis.
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Haq, Kautsar Ul, Septi Rosiana Dewi, Sherly Dwi Cicilianingrum, et al. "Synthesis of 5-benzylidene-hydantoin and 5-benzylidene-creatinine derivatives under mixed catalyst systems of urea-p-toluenesulfonic acid (Urea-PTSA) and guanidine hydrochloride-triethylamine (GnHCl-TEA)." In THE 14TH JOINT CONFERENCE ON CHEMISTRY 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0005378.

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