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Relevant bibliographies by topics / Regioselective reduction

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Academic literature on the topic 'Regioselective reduction'

Author: Grafiati

Published: 23 November 2024

Last updated: 31 July 2025

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Journal articles on the topic "Regioselective reduction"

1

Butler, Christopher R., Justin Bendesky, and Allen Milton Schoffstall. "Regioselective Reduction of 1H-1,2,3-Triazole Diesters." Molecules 26, no. 18 (2021): 5589. http://dx.doi.org/10.3390/molecules26185589.

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Regioselective reactions can play pivotal roles in synthetic organic chemistry. The reduction of several 1-substituted 1,2,3-triazole 4,5-diesters by sodium borohydride has been found to be regioselective, with the C(5) ester groups being more reactive towards reduction than the C(4) ester groups. The amount of sodium borohydride and reaction time required for reduction varied greatly depending on the N(1)-substituent. The presence of a β-hydroxyl group on the N(1)-substituent was seen to have a rate enhancing effect on the reduction of the C(5) ester group. The regioselective reduction was at

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Hussaini, Syed Raziullah, та Mark G. Moloney. "Regioselective Reduction of β‐Enaminoesters". Synthetic Communications 35, № 8 (2005): 1129–34. http://dx.doi.org/10.1081/scc-200054223.

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Hirota, Kosaku, Hironao Sajiki, Ryuji Hattori, Yasunari Monguchi, Genzoh Tanabe, and Osamu Muraoka. "Regioselective BH3–hydride reduction of inosine derivatives." Tetrahedron Letters 43, no. 4 (2002): 653–55. http://dx.doi.org/10.1016/s0040-4039(01)02209-2.

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Bruhn, Torsten, and Christian Brückner. "Origin of the Regioselective Reduction of Chlorins." Journal of Organic Chemistry 80, no. 10 (2015): 4861–68. http://dx.doi.org/10.1021/acs.joc.5b00137.

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Setamdideh, Davood, and Behzad Zeynizadeh. "Mild and Convenient Method for Reduction of Carbonyl Compounds with the NaBH4/Charcoal System in Wet THF." Zeitschrift für Naturforschung B 61, no. 10 (2006): 1275–81. http://dx.doi.org/10.1515/znb-2006-1014.

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The NaBH4/C (charcoal) system reduces a variety of carbonyl compounds such as aldehydes, ketones, acyloins and α-diketones to their corresponding alcohols in high to excellent yields. Reduction reactions were carried out in wet THF at r. t. In addition, regioselective 1,2-reduction of α,β - unsaturated aldehydes and ketones was achieved perfectly with this reducing system. By decreasing the amount of aprotic solvent, all reductions took place fast and efficiently under solid-gel condition

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Katagiri, Takayuki, and Yutaka Amao. "Visible light driven selective NADH regeneration using a system of water-soluble zinc porphyrin and homogeneous polymer-dispersed rhodium nanoparticles." New Journal of Chemistry 45, no. 35 (2021): 15748–52. http://dx.doi.org/10.1039/d1nj02856a.

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We discovered the catalytic activity of Rh nanoparticles dispersed by polyvinylpyrrolidone for regioselective NAD+ reduction to 1,4-NADH. Only 1,4-NADH was produced as the reduction product of NAD+ with visible-light irradiation.

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Nguyen, Mai, Issam Kherbouche, Sarra Gam-Derouich, et al. "Regioselective surface functionalization of lithographically designed gold nanorods by plasmon-mediated reduction of aryl diazonium salts." Chem. Commun. 53, no. 82 (2017): 11364–67. http://dx.doi.org/10.1039/c7cc05974d.

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Tanwar, Babita, Priyank Purohit, Banothu Naga Raju, Dinesh Kumar, Damodara N. Kommi, and Asit K. Chakraborti. "An “all-water” strategy for regiocontrolled synthesis of 2-aryl quinoxalines." RSC Advances 5, no. 16 (2015): 11873–83. http://dx.doi.org/10.1039/c4ra16568c.

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Ishii, Hideki, Sergei V. Dzyuba, and Koji Nakanishi. "Lactone-free ginkgolides via regioselective DIBAL-H reduction." Organic & Biomolecular Chemistry 3, no. 19 (2005): 3471. http://dx.doi.org/10.1039/b509129b.

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Davey, C. "Regioselective reduction of substituted dinitroarenes using baker's yeast." Tetrahedron Letters 35, no. 41 (1994): 7867–70. http://dx.doi.org/10.1016/s0040-4039(00)77393-x.

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Dissertations / Theses on the topic "Regioselective reduction"

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Hassan, Hassan Abbas. "Partial synthesis and regioselective reduction of steroidal 11,12-seco-dioic anhydrides." Thesis, University of Glasgow, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.281225.

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Fox, Stephen Carter. "Regioselective Synthesis of Novel Cellulose Derivatives for Drug Delivery." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/77263.

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New methods were developed for the regioselective synthesis of new classes of cellulose derivatives with properties that could help improve the delivery of pharmaceutical drugs within the human body. The specific synthetic targets of this research were regioselectively carboxylated and regioselectively aminated cellulose derivatives. While different avenues to the carboxylated cellulose were ultimately explored without success, a new method for the synthesis of selectively <i>O</i>-acylated 6-amino-6-deoxy-cellulose esters was devised. A key reaction that enabled the synthesis of the new cell

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3

Arnaout, Abdulkarim al. "Synthese regioselective de dihydropyridines et de pyridines 2- ou 4-fonctionnalisees : applications." Poitiers, 1987. http://www.theses.fr/1987POIT2254.

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Rodrigo, Sanjeewa K. "Nickel Catalyzed Regioselective Reductive Coupling Reactions." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1396532622.

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Ma, Zhiwei. "Progress Towards the Total Synthesis of Yaku'amide A." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/6002.

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The synthetic progress towards yaku'amide A is described. The study leads to development of new synthetic methodologies. Base-free regioselective aminohydroxylation is convenient to deliver β-tert-hydroxyamino acids. A sequence consisting of alkylative esterification, Martin sulfurane mediated anti dehydration, a tandem azide reduction-O→N acyl transfer allows the rapid access of E- and Z-dehydroisoleucine-containing peptides from β-tert-hydroxyisoleucine derivatives. Those methods are effective in constructing complicated peptides and advanced subunits of yaku'amide A.

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BOUTOUTE, PATRICK. "Reductions electrochimique et electroenzymatique regioselectives ou enantiogenique de systemes insaturees." Clermont-Ferrand 2, 1995. http://www.theses.fr/1995CLF21710.

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Ce travail presente les differents resultats obtenus dans l'etude de la reduction purement electrochimique ou electroenzymatique de molecules presentant une ou plusieurs insaturations. Ainsi, differentes 2-aroyl et 2-acetylchromones ont ete etudiees en vue de leur reduction regioselective. Il a ete montre que dans le cas des 2-aroylchromones, la fonction carbonyle du substituant en position 2 du cycle chromone a ete reduite regioselectivement tandis que pour la 2-acetylchromone, c'est la double liaison du cycle qui est reduite. Les produits obtenus conduisent apres une nouvelle electroreductio

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Palucci, Benedetta. "Rhodium and Palladium Catalysed Unusual Regioselective Hydroformylation and Rhodium Catalysed Reductive Carbonylation." Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/670491.

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La present tesi doctoral té com a objectiu el desenvolupament de sistemes per aconseguir una regioselectivitat no convencional en l’hidroformilació d'alquens terminals. Degut a que nombroses substàncies naturals perfumades contenen un grup aldehid. Els processos d’hidroformilació, on es fan reaccionar monòxid de carboni i hidrogen amb olefines, han esdevenit mètodes inestimables per a les empreses de fragàncies per a la producció d’aquests derivats. La regioselectividad del procés, per a l’obtenció del producte lineal o ramificat, és extremadament dependent del substrat. Com a tendència genera

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Gommenginger, Clément. "Des ynamides pour la synthèse de molécules azotées fluorées inédites." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF024.

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Ces travaux décrivent l’utilisation d’ynamides et de N-allènamides comme intermédiaires clés pour la synthèse d’hétérocycles azotés et fluorés inédits. Une réaction de cyclisation intramoléculaire de mésyl N-allènamides trifluorométhylés promue par le TBAF a permis la synthèse de y-sultames trifluorométhylés alors que, l’utilisation d’un mélange TBAF/acide acétique, a permis l’obtention de y-sultames gem-difluorés. La formation de diènes trifluorométhylés substitués par une fonction amide, obtenue par une réaction de métathèse d’ène-ynamides avec un aldéhyde, a permis la synthèse de plateforme

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Sayah, Ghassemi Babak. "Chimie et réactivité des hexahydropyrroloindolizines : application à la synthèse des myrmicarines." Université Joseph Fourier (Grenoble), 2001. http://www.theses.fr/2001GRE10114.

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Parmi les composes naturels ou synthetiques possedant des activites biologiques interessantes, les alcaloides tiennent une part importante. Recemment une nouvelle famille d'alcaloides bicycliques et oligocycliques, nommee myrmicarine, a ete isolee de glandes a poisons de fourmis d'afrique de type mirmicinae. La plupart de ces composes possedent en totalite ou en partie un motif hexahydropyrroloindolizine contenant un centre stereogene dont la configuration absolue n'est pas connue. Nous avons entrepris la synthese de ces alcaloides sous forme enantiopure. Dans un premier temps, suivant une str

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Lemétais, Aurélie. "Catalyse tandem pour la protection régiosélective de saccharides : vers l’élaboration de sulfoglycolipides mycobactériens." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA112273.

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L’accès par voie chimique à des oligosaccharides nécessite souvent le recours à de nombreuses étapes de protection-déprotection. Au cours de ce projet de thèse, une méthodologie pour la protection régiosélective et orthogonale des fonctions alcool de disaccharides dérivant de la biomasse a tout d’abord été développée. Les glycopyranosides protégés ont été préparés par catalyse tandem au FeCl3∙6H2O en réalisant dans le même pot des réactions d’acétalation, d’éthérification réductrice, d’acétylation et/ou d’ouverture réductrice régiosélective d’acétals. Dans un second temps, une stratégie de syn

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Book chapters on the topic "Regioselective reduction"

1

Brown, R. C. D. "Regioselective Reduction of Diepoxy Alcohols." In Alcohols. Georg Thieme Verlag KG, 2008. http://dx.doi.org/10.1055/sos-sd-036-00665.

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2

Clayden, Jonathan. "Regioselective Synthesis of Organolithiums by C–X Reduction." In Organolithiums: Selectivity for Synthesis. Elsevier, 2002. http://dx.doi.org/10.1016/s1460-1567(02)80035-6.

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3

Li, W.-R. "Regioselective Reduction with the Sodium Borohydride/Iodine System." In Three Carbon-Heteroatom Bonds: Esters and Lactones; Peroxy Acids and R(CO)OX Compounds; R(CO)X, X=S, Se, Te. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-021-00202.

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4

Fukuzumi, Shunichi. "Photocatalytic Redox Reactions with Metal Complex Catalysts." In Redox-based Catalytic Chemistry of Transition Metal Complexes. Royal Society of Chemistry, 2024. https://doi.org/10.1039/9781837676484-00327.

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Metal-to-ligand charge-transfer (MLCT) and ligand-to-metal charge-transfer (LMCT) states are produced upon photoexcitation of metal complexes. The MLCT and LMCT states have strong reducing and oxidizing capabilities, respectively, exhibiting photoredox catalysis in various photocatalytic redox reactions including water oxidation, CO2 reduction and H2O2 production. By combining photoredox catalysis and thermal redox catalysis, molecular functions of photosynthesis have been achieved by constructing molecular models of PSI and PSII models, which are combined to achieve the stoichiometry of photo

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5

Pereira, M. Manuela A. "13.3. Regioselective 1,2-Reduction of an α,β-Unsaturated Ketone. A Green Experiment." In Comprehensive Organic Chemistry Experiments for the Laboratory Classroom. The Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781849739634-00784.

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Taber, Douglass F. "The Boger Synthesis of (-)-Vindoline." In Organic Synthesis. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199965724.003.0096.

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The periwinkle-derived alkaloids vinblastine 2a and vincristine 2b are still mainstays of cancer chemotherapy. The more complex half of these dimeric alkaloids, vindoline 1, presents a formidable challenge for total synthesis. Building on his previous work (Organic Lett. 2005, 7, 4539), Dale L. Boger of Scripps/La Jolla devised (J. Am. Chem. Soc. 2010, 132, 3685) a strikingly simple solution to this problem based on sequential cycloaddition. The starting point for the synthesis was the ester 3, derived from D-asparagine. This was extended to 4, condensation of which with 5 gave the enol ether

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7

Brégier, Frédérique, Jérémy Godard, Jordan Thiais, et al. "Regioselective reduction of 5-aryl-10,15,20-tris(pyridyl) porphyrin to 5-aryl-10,15,20-tris(pyridyl)dihydroporphyrin (chlorin)." In Porphyrin Science by Women. WORLD SCIENTIFIC, 2021. http://dx.doi.org/10.1142/9789811223556_0045.

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S. Alharbi, Abdulrahman, Abeer N. Al-Romaizan, and Reda M. Abdel-Rahman. "A Review on Synthesis, Chemistry, and Medicinal Properties of Benzothiazines and their Related Scaffolds." In Advances in Organic Synthesis. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815040524122170008.

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Background: Sulfur and nitrogen heterocyclic systems, especially benzothiazine derivatives, play a vital role in the search for newer drugs due to a significant scientific interest owing to their broad range of synthetic values, various routes, and pharmacological properties. It is known that benzothiazines are divided into five units: 1,2-, 2,1-, 1,3-, 3,1-, and 1,4-benzothiazines. Incorporating two moieties (benzo and thiazine) increases the biological activity of both, and thus their values synthesize new heteropolycyclic systems. Considering their diverse roles in the biological area and s

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Taber, Douglass F. "The Ma Synthesis of Gracilamine." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0103.

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The Am aryllidaceae alkaloid gracilamine 3 was isolated in 2005 from the Turkish plant Galanthus gracilis. The supply of the natural product was not sufficient to assess the biological activity. Dawei Ma of the Shanghai Institute of Organic Chemistry envisioned (Angew. Chem. Int. Ed. 2012, 51, 10141) that the pentacyclic skeleton of 3 could be assembled by intramolecular dipolar cycloaddition, converting 1 to 2. The successful completion of the synthesis also enabled the full establishment of the relative configuration of 3. The immediate precursor to the ylide 1 was the aldehyde 9. The prepar

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Taber, Douglass F. "The Qin Synthesis of (+)-Gelsemine." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0093.

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(+)-Gelsemine 3 has no particular biological activity, but its intricate architecture continues to inspire the ingenuity of organic synthesis chemists. Yong Qin of Sichuan University devised (Angew. Chem. Int. Ed. 2012, 51, 4909) an enantiospecific synthesis of 3, a key step of which was the cyclization of 1 to 2. The starting material for the synthesis was the inexpensive diethyl tartrate 4, which was converted over six steps into the N-sulfonyl aziridine 5. The addition of 6 was highly regioselective, leading, after N-methylation, to the alkyne 7. After alcohol protection, the sulfonyl group

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Conference papers on the topic "Regioselective reduction"

1

Custódio, Cíntia de Andrade, and Simon J. Garden. "Regioselective reduction of 1-amino-2,4-dinitrobenzenes." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013819201721.

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Maksutova, A. I., and M. D. Tsymliakov. "REGIOSELECTIVE 2,4-DINITROARENE REDUCTION AS A PATH TO VARIOUS HETEROCYCLIC COMPOUNDS AND POTENT QUINONE REDUCTASE 2 (NQO2) INHIBITORS." In MedChem-Russia 2021. 5-я Российская конференция по медицинской химии с международным участием «МедХим-Россия 2021». Издательство Волгоградского государственного медицинского университета, 2021. http://dx.doi.org/10.19163/medchemrussia2021-2021-404.

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3

Pino-González, M., Noé Bernal, and Antonio Romero. "Reductions of Monosaccharide Derivative Epoxyamides to Epoxyalcohols and Regioselective Epoxide Opening." In The 12th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2008. http://dx.doi.org/10.3390/ecsoc-12-01226.

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Wang, Cai-Xia, Xin-Hua Li, Cai-Xia Zhao, and Hong-Ping Xiao. "Reductive, Regioselective Addition of Benzenethiyl Radical to Alkynes via 2,2'-Dithiosalicylic Acid." In 2015 International Conference on Medicine and Biopharmaceutical. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814719810_0058.

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