Literatura científica selecionada sobre o tema "Benzylic derivatives"
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Artigos de revistas sobre o assunto "Benzylic derivatives"
Loska, Rafał, Mieczysław Mąkosza e Kacper Kisiel. "Synthesis of Aryloxiranes and Arylcyclopropanes via Deprotonation of Benzyl Chlorides". Synthesis 54, n.º 09 (21 de fevereiro de 2022): 2289–97. http://dx.doi.org/10.1055/s-0040-1719895.
Texto completo da fonteKhan, Ajmir, Mohammed G. Sarwar e Sher Ali. "Reactivity and Stability of (Hetero)Benzylic Alkenes via the Wittig Olefination Reaction". Molecules 29, n.º 2 (19 de janeiro de 2024): 501. http://dx.doi.org/10.3390/molecules29020501.
Texto completo da fonteBi, Xian-Jun, Luke T. Higham, Janet L. Scott e Christopher R. Strauss. "Reactions of 2,6-Dibenzylidenecyclohexanone and its Derivatives in High-Temperature Water". Australian Journal of Chemistry 59, n.º 12 (2006): 883. http://dx.doi.org/10.1071/ch06381.
Texto completo da fonteKikuchi, Jun, Shota Kodama e Masahiro Terada. "Radical addition reaction between chromenols and toluene derivatives initiated by Brønsted acid catalyst under light irradiation". Organic Chemistry Frontiers 8, n.º 15 (2021): 4153–59. http://dx.doi.org/10.1039/d1qo00657f.
Texto completo da fontePatil, Pravin, e Frederick Luzzio. "Unnatural Amino Acid Derivatives through Click Chemistry: Synthesis of Triazolylalanine Analogues". Synlett 28, n.º 14 (24 de julho de 2017): 1729–32. http://dx.doi.org/10.1055/s-0036-1588510.
Texto completo da fonteYi, Hong, Changliang Bian, Xia Hu, Linbin Niu e Aiwen Lei. "Visible light mediated efficient oxidative benzylic sp3 C–H to ketone derivatives obtained under mild conditions using O2". Chemical Communications 51, n.º 74 (2015): 14046–49. http://dx.doi.org/10.1039/c5cc06015j.
Texto completo da fonteEllwart, Mario, Georg Höfner, Aaron Gerwien, Klaus Wanner e Paul Knochel. "Synthesis and Bioactivity of Novel N-Benzylic and N-Phenethylic Ephedrine Derivatives". Synthesis 49, n.º 23 (23 de agosto de 2017): 5159–66. http://dx.doi.org/10.1055/s-0036-1588523.
Texto completo da fonteEgami, Hiromichi, Takafumi Ide, Yuji Kawato e Yoshitaka Hamashima. "Benzylic C–H trifluoromethylation of phenol derivatives". Chemical Communications 51, n.º 93 (2015): 16675–78. http://dx.doi.org/10.1039/c5cc07011b.
Texto completo da fontePereira, Raul, Lukas Pfeifer, Jean Fournier, Véronique Gouverneur e Ján Cvengroš. "Twisting the ethano-Tröger's base: the bisamide". Organic & Biomolecular Chemistry 15, n.º 3 (2017): 628–33. http://dx.doi.org/10.1039/c6ob02359b.
Texto completo da fonteKnochel, Paul, e Alicia Castelló-Micó. "Zincation and Magnesiation of Functionalized Silylated Cyanohydrins Using TMP-Bases". Synthesis 50, n.º 01 (24 de agosto de 2017): 155–69. http://dx.doi.org/10.1055/s-0036-1590887.
Texto completo da fonteTeses / dissertações sobre o assunto "Benzylic derivatives"
Bresciani, Stefano. "Stereospecific dehydroxyfluorination and the synthesis of trifluoro D-hexose sugar analogues". Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/1878.
Texto completo da fontePierret, Alexandre. "Fonctionnalisation à distance par métallotropie de dérivés benzyliques". Electronic Thesis or Diss., Université de Lorraine, 2023. https://docnum.univ-lorraine.fr/ulprive/DDOC_T_2023_0032_PIERRET.pdf.
Texto completo da fonteThis thesis presents a development of the remote functionalization reaction by metallotropic rearrangement on benzyl derivatives. The work is based on the use of a single metal reagent, a lithium triorganozincate, which allows the formation of two bonds C(sp3)-C(sp2) and C(sp3)-C(sp3) on sites 5 atoms apart in a single operation. The first chapter focuses on benzyl derivatives with an iodine in position 4 of the aromatic ring. Novel reaction conditions based on the use of a bio-based solvent are proposed. They allow to reach an unprecedented synthetic scope for such a reaction from these substrates. The influence of the solvent is also discussed. The second chapter is devoted to the mechanistic study by DFT of each step composing the reaction sequence studied previously. Thus, the halogen/metal exchange, the 1,2-migration of ligand or the metallotropic rearrangement are investigated with careful consideration of the solvent of the reaction. An experimental contribution completes this study. Finally, the extension of this transformation to benzylic heteroaromatic derivatives, in particular thiophenes, is the subject of the last chapter of this thesis. The reported work defines an approach of remote functionalization where a same toolbox, composed of a unique platform (halogenated thiophene bearing a benzyl phosphate) and an organometallic reagent of the same nature (lithium organozincate), offers several synthetic opportunities according to the experimenter's desires
Jaafar, Amani. "Synthèse, Caractérisation et Activité biologique des complexes à base de thiosemicarbazone". Thesis, Angers, 2017. http://www.theses.fr/2017ANGE0011/document.
Texto completo da fonteThiosemicarbazide and 4-methylthiosemicarbazide react with benzaldehyde derivatives by condensation to give different thiosemicarbazone ligands. The latter conduct in ethanolic medium to various complexes by reacting with chlorides and / or bromidesof copper (II), nickel (II), zinc (II), cobalt (II) and cadmium (II). The structures of the ligands and their complexes have been determined mainly by crystallography and by infrared spectroscopy, as well as by elementary analyzes. The ligands are in thion form in solid form.The complexes obtained are either monodentate, mononuclear or polynuclear complexes with two sulfur atoms of the thiosemicarbazone group, such as the determination of the crystal structure has shown either bidentate complexes with coordination sites, imine nitrogen and sulfur of the thio group. Their antifungal properties have been tested against human pathogenic strains: Aspergillus fumigatus, Candida albicans, C. glabrata, C. tropicalis, C. krusei, C. parapsilosis and Exophiala dermatitidis. Only thecomplexes with cadmium exhibited significant activities against the fungal species studied and the thiosemicarbazone of p-dimethylaminobenzaldehyde ligand almost completely inhibited the growth of E. dermatitidis
Lenihan, Brian David. "Generation of o-quinodimethanes from derivatives of trimethyl (o- ((p-tolylsulfonyl)methyl)benzyl)silane : a synthetic equivalent for the o-quinodimethant-[alpha], [alpha]- /". The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487780393267272.
Texto completo da fonteAbou-Elkhair, Reham A. I. "Synthesis of anthraquinone derivatives and their conjugates with 2'-deoxynucleosides as new probes for electron transfer studies in DNA". unrestricted, 2008. http://etd.gsu.edu/theses/available/etd-07182008-154942/.
Texto completo da fonteTitle from file title page. Thomas L. Netzel, Dabney W. Dixon, committee co-chairs; David Boykin, Jerry Smith, committee members. Electronic text (250 p. : ill. (some col.)) : digital, PDF file. Description based on contents viewed Nov. 20, 2008. Includes bibliographical references.
Pham, Van Tuyet. "The synthesis and reactions of chiral 1,3,2-oxazaphospholane derivations : kinetic and mechanistic studies of polyether omega-phase catalyzed reactions of potassium cyanide with benzyl bromide in non-polar, aprotic solvent toluene". Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/27416.
Texto completo da fonteMetzger, Albrecht [Verfasser]. "Preparation and applications of benzylic zinc chlorides : lewis-acid promoted additions of organomagnesium and organozinc reagents to carbonyl derivatives ; transition metal-catalyzed cross-coupling reactions with methylthio-substituted N-heterocycles / von Albrecht Metzger". 2010. http://d-nb.info/1003615341/34.
Texto completo da fonteChang, Ren-Chieh, e 張仁傑. "Design and Synthesis of Benzyl Caffeate Derivatives as JAK2 Inhibitors". Thesis, 2011. http://ndltd.ncl.edu.tw/handle/96461041056529506594.
Texto completo da fonte國立陽明大學
生物藥學研究所
99
JAK (Janus kinase) is a cytokine-induced kinase that activates STAT (Signal Transducer and Activator of Transcription) on many kinds of physiological effect such as cell proliferation, differentiation, and angiogenesis. Literature has been shown that over-activated JAK2/STAT3 pathway leads to highly transcription of oncogenes in various cancers, including solid tumor (e.g., liver, breast) as well as hematological malignancies. A series of JAK2 inhibitors have been developed and some of the inhibitors have been tested in clinical trial. Therefore, development of small molecule inhibitors for JAK2 is a promising strategy in cancer therapy. In this thesis, we applied the caffeate scaffold and X-ray structure of JAK2 to design and synthesize caffeate analogues. The inhibitory effect IC50 of these compounds was examined in HCC cell line. The MTT result shows that 6-bromopyridine in R2 position and hydrophobic ring (e.g., naphthalene) in R1 position enhances potency in cell cyto-toxicity. The structure-activity relationship provides the hints to develop new potent inhibitors.
Lo, mei ting, e 羅美婷. "Apoptosis induced by 1-benzyl carbazole-4-carboxaldehyde derivatives in human leukemia cell lines". Thesis, 2001. http://ndltd.ncl.edu.tw/handle/90007866802222515218.
Texto completo da fonte中國醫藥學院
藥物化學研究所
89
Abstract Synthesized 1-benzyl carbazole-4-carboxaldehyde derivatives ( LCY ) examined for their growth inhibition effects in human leukemia cell lines. HL60, U937, and K562 cells were treated with these compounds for 24 hours and their proliferation was determined by the propidium iodide DNA staining method. A dose-dependent decrease in the cell proliferation rate was observed for all compounds. LCY-12 had the highest growth inhibitory, and its IC50 were 2.58, 0.77, and 19.49 μM for HL60, U937, and K562 cells, respectively. DAPI-stained cells revealed evident characteristics of apoptosis, which include cell shrinking, chromatin condensation, fragmentation of nuclei, and formation of apoptotic bodies. DNA from treated HL60 and U937 cells displayed a characteristic inter-nucleosomal ladder of DNA fragments. Furthermore, down-regulation of Bcl-2, up-regulation of Bax, activation of caspase 3, 8, and 9, and cleavage of PARP were detected by Western blotting method in LCY-12-treated HL60 cells. Caspase inhibitors significantly reduced LCY-12-induced caspase activity and cell death. In addition, LCY-12 and LCY-16 induced G2/M arrest in HL60 cells, and S arrest in U937 cells. The induction of cell cycle arrest occurred before the onset of apoptosis. Western blotting analysis of cyclins and CKIs revealed that LCY-12 induced the expression of cyclin B, cdc25c and p21 proteins. These results indicated that the ability of LCY-12 to inhibit cell proliferation may be mediated by the induction of apoptosis and cell cycle arrest.
Huang, Chun-Lung, e 黃俊龍. "Synthesis and biological activity of 1-benzyl-4-hydroxy-3-phenylquinolin-2(1H)-one derivatives". Thesis, 2006. http://ndltd.ncl.edu.tw/handle/37426286995940238871.
Texto completo da fonte中國醫藥大學
藥物化學研究所碩士班
94
The dissertation is based on the structure of 4-hydroxy- quinolin-2-(1H)-ones. In order to synthesize a series of derivatives of 1-benzyl-4-hydroxy-3-phenylquinolin-2(1H)-one (26a-g, 27a-g, 28, 29), Using the Bheemashankar′s solution-phase combinatorial synthetic method. The starting material is methyl anthranilate (16) that is condensated with 4-substituted-benzaldehydes 17a-h to obtain the 19a-h. On the other hand, 4-cyanophenyl acetic acids 20a-d were acylated with thionyl chloride to afford acid chlorides 21a-d. Then, 21a-d and 19a-h are combined by Schotten-Baumann reaction to give 22a-h, 23a-h, 24 and 25, respectively. The last, intermediate 22a-h, 23a-h, 24, 25 are cyclizated by amberlyst A-26 resin (OH- form) and then acidified with trifluroacetic acid to obtain 26a-g, 27a-g, 28 and 29, respectively. Moreover, it is important to evaluate the biological activity from the derivatives, anticipating obtaining leading compounds to establish the structure-activity relationships.
Capítulos de livros sobre o assunto "Benzylic derivatives"
Delmau, Lætitia H., Jeffrey C. Bryan, Benjamin P. Hay, Nancy L. Engle, Richard A. Sachleben e Bruce A. Moyer. "Benzyl Phenol Derivatives: Extraction Properties of Calixarene Fragments". In ACS Symposium Series, 86–106. Washington, DC: American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2000-0757.ch007.
Texto completo da fonteKrause, Eberhard, Michael Beyermann, Rüdiger Winter, R. Haseloff, Ingolf E. Blasig e Michael Bienert. "Studies on thioether modifications: S-oxidation, S-oxide reduction and regeneration of methionine peptides from their S-benzyl-sulfonium derivatives". In Peptides, 478–79. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2264-1_184.
Texto completo da fonteLv, Jian, Lei Lv, Xiaomin Zhang, Yao Zhou, Kui Lu, Yifei lu, Yuou Teng, Hua Sun e Peng Yu. "Design, Synthesis and Biological Evaluation of the Novel Antitumor Agent 2-benzyl-3, 4-dihydroisoquinolin-1(2H)-one and Its Derivatives". In Proceedings of the 2012 International Conference on Applied Biotechnology (ICAB 2012), 797–804. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37922-2_83.
Texto completo da fonteAndrus, M. B. "Oxidation To Afford Benzylic Alcohols and Derivatives". In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation, 1. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00302.
Texto completo da fonteDavies, H. M. L., e D. Morton. "Synthesis of Carbocyclic Derivatives by Benzylic C—H Bond Insertion". In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation, 1. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00340.
Texto completo da fonte"Synthesis by Oxidation of Alkenes and Alkanes (Excluding Allylic or Benzylic Derivatives)". In Category 4, Compounds with Two Carbon Heteroatom Bonds, editado por Cossy. Stuttgart: Georg Thieme Verlag, 2005. http://dx.doi.org/10.1055/sos-sd-026-00062.
Texto completo da fonte"2.4 Hydrogenolysis of Aryl Ketones and Aldehydes, Benzylic Alcohols and Amines, and Their Derivatives". In Catalytic Reduction in Organic Synthesis 2, editado por de Vries. Stuttgart: Georg Thieme Verlag, 2018. http://dx.doi.org/10.1055/sos-sd-227-00073.
Texto completo da fonte"Use of Transition Metals and Enzymes in Tandem". In Chirality from Dynamic Kinetic Resolution, 191–242. The Royal Society of Chemistry, 2011. http://dx.doi.org/10.1039/bk9781849731973-00191.
Texto completo da fonteJilal, Issam, Soufian El Barkany, Zahra Bahari, Youssef El Ouardi, Mohamed Loutou, Hassan Amhamdi, Mohamed Abou-Salama, Amin Salhi, Abderrahmane El Idrissi e Katri Laatikainen. "New Ethylenediamine Crosslinked 2D-Cellulose Adsorbent for Nanoencapsulation Removal of Pb (II) and Cu (II) Heavy Metal Ions: Synthesis, Characterization Application, and RSM-Modeling". In Cellulose Science and Derivatives. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98709.
Texto completo da fonteIhmels, H. "Cyclization of 1-Benzyl-2-formylpyridinium Derivatives". In Six-Membered Hetarenes with One Nitrogen or Phosphorus Atom, 1. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-015-01589.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Benzylic derivatives"
Thiemann, Thies, Goreti Morais e Cristina das Neves Oliveira. "Application of the Thermal Dehydration of Benzylic Alcohols in the Preparation of Estra-1,3,5(10),6-tetraen-3,17-diol Derivatives". In The 9th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2005. http://dx.doi.org/10.3390/ecsoc-9-01491.
Texto completo da fonteMiller, Terry A. "Laser spectroscopy of aromatic and organometallic radicals". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.thi1.
Texto completo da fonteSalimova, E. V., E. V. Tretyakova e L. V. Parfenova. "Fischer reaction in the synthesis of indole derivatives of fusidic acid benzyl ester". In ACTUAL PROBLEMS OF ORGANIC CHEMISTRY AND BIOTECHNOLOGY (OCBT2020): Proceedings of the International Scientific Conference. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0069131.
Texto completo da fonteEl Rayes, Samir, Ibrahim Ali, hamdy Abd Elazeem e Sara Eltorky. "Convenient Synthesis of Some Novel 4-Benzyl-1(2H)-Phthalazinone Derivatives of expected anticancer activity". In The 23rd International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2019. http://dx.doi.org/10.3390/ecsoc-23-06605.
Texto completo da fonteZieniuk, Bartłomiej, Karina Jasińska, Katarzyna Wierzchowska e Agata Fabiszewska. "Enzymatic Synthesis of Flavours and Fragrances, Antioxidants and Antimicrobials on the Example of Benzyl Alcohol and Its Selected Derivatives". In Foods 2022. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/foods2022-13066.
Texto completo da fonteDexheimer, Thomas S., Andrew S. Rosenthal, Diane Luci, Qin Liang, Mark A. Villamil, Ajit Jadhav, Anton Simeonov, Zhihao Zhuang e David J. Maloney. "Abstract LB-11: Discovery, synthesis, and structure-activity relationship of N-benzyl-2-phenylpyrimidin-4-amine derivatives as potent USP1/UAF1 deubiquitinase inhibitors with anticancer activity against non-small cell lung cancer". In Proceedings: AACR Annual Meeting 2014; April 5-9, 2014; San Diego, CA. American Association for Cancer Research, 2014. http://dx.doi.org/10.1158/1538-7445.am2014-lb-11.
Texto completo da fonteZarins, Elmars, Julija Pervenecka, Elina Misina, Kristine Lazdovica, Karlis Balodis, Aivars Vembris e Valdis Kokars. "Glassy 2-(1-benzyl-2-styryl-6-methylpyridin-4(1H)-ylidene) fragment containing 1H-indene-1,3(2H)-dione and pyrimidine-2,4,6(1H,3H,5H)-trione derivatives with light-emitting and amplified spontaneous emission properties". In Fiber Lasers and Glass Photonics: Materials through Applications II, editado por Stefano Taccheo, Maurizio Ferrari e Jacob I. Mackenzie. SPIE, 2020. http://dx.doi.org/10.1117/12.2553687.
Texto completo da fonte