You’ve supercharged your research process with ACS and Mendeley! Users are Ying Mao, Min Cao, Xiaoguang Pan, Jiancheng Huang, Jing Li, Liren Xu, Lei Liu. Synthesis of 8-Hydroxyisochromenes and 8-Hydroxyisocoumarins from 3-Ethoxycyclohex-2-en-1-one. Investigating the Reactivity of Radical Cations: Experimental and Computational Insights into the Reactions of Radical Cations with Alcohol and p-Toluene Sulfonamide Nucleophiles. Vinyl oxazolidinones react with DDQ to form α,β-unsaturated acyliminium ions in a new method for forming electrophiles under oxidative conditions. Manganese Dioxide–Methanesulfonic Acid Promoted Direct Dehydrogenative Alkylation of sp3 C–H Bonds Adjacent to a Heteroatom. Density functional theory (DFT) has been utilised to study the mechanism of Nazarov cyclisations initiated by oxidation of pentadienyl ethers by a benzoquinone derivative (DDQ), as recently reported by West et al. Direct oxidative C(sp3) H cyanation of secondary benzylic ethers. These metrics are regularly updated to reflect usage leading up to the last few days. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. DDQ wird von Wasser unter Abspaltung der sehr giftigen Blausäure (HCN) hydrolysiert. DDQ-Mediated Tandem Synthesis of Functionalized Pyranocoumarins from 4-Hydroxycoumarins and 1,3-Diarylallylic Compounds. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Advances in the synthesis of glycosidic macrolides: clavosolides A–D and cyanolide A. Chinon-katalysierte, selektive Oxidation organischer Moleküle. Ansoo Lee, Rick C. Betori, Erika A. Crane. Your Mendeley pairing has expired. This article is part of the themed collection: For reproduction of material from all other RSC journals and books: For reproduction of material from all other RSC journals. Tandem C–H oxidation/cyclization/rearrangement and its application to asymmetric syntheses of (−)-brussonol and (−)-przewalskine E. Metal-Free Dehydrogenative Diels-Alder Reactions of 2-Methyl-3-Alkylindoles with Dienophiles: Rapid Access to Tetrahydrocarbazoles, Carbazoles, and Heteroacenes. An Enantioselective Cross-Dehydrogenative Coupling Catalysis Approach to Substituted Tetrahydropyrans. Toward the oxidative deconstruction of lignin: oxidation of β-1 and β-5 linkages. Synthesis and Liver Microsomal Metabolic Stability Studies of a Fluorine‐Substituted δ‐Tocotrienol Derivative. Information. Oxidative functionalization of benzylic C–H bonds by DDQ. The ensuing cation is subsequently deprotonated by the reduced DDQ to afford an enol ether product. formally request permission using Copyright Clearance Center. Diastereoselective Piperidine Synthesis through DDQ-Mediated Oxidative Cyclization of Enamides, N-Vinyl Carbamates, and N-Vinyl Sulfonamides by Gediminas J. Brizgys … Total synthesis of neopeltolide and analogs. The American Chemical Society holds a copyright ownership interest in any copyrightable Supporting Copper(II) catalyzed cross-dehydrogenative coupling of cyclic benzylic ethers with simple carbonyl compounds by Na2S2O8. redistribute this material, requesters must process their own requests via the RightsLink permission This material is available free of charge via the Internet at http://pubs.acs.org. In Anwesenheit von Säuren sind durch Dehydrierung aromatische Steroide zugänglich. From this correlation, we propose a predictive formula for reactivity of different types of substrates in the corresponding reaction. You do not have JavaScript enabled. Hong-Xia Feng, Yuan-Yuan Wang, Jie Chen, Ling Zhou. Bin Chang, Hongge Shao, Peng Yan, Wenzhao Qiu, Zhiqiang Weng, and Rusheng Yuan . Bimolecular coupling reactions through oxidatively generated aromatic cations: scope and stereocontrol. DDQ ist ein Reagenz, welches zur Oxidation und als Radikalakzeptor Anwendung besitzt. Lianyue Wang, Jun Li, Hua Yang, Ying Lv, and Shuang Gao . E-mail: Zhi-Wei Jiao, Yong-Qiang Tu, Qing Zhang, Wen-Xing Liu, Shu-Yu Zhang, Shao-Hua Wang, Fu-Min Zhang, Sen Jiang. Chem., Int. Cristian A. Morales-Rivera, Paul E. Floreancig, and Peng Liu . Density functional theory (DFT) has been utilised to study the mechanism of Nazarov cyclisations initiated by oxidation of pentadienyl ethers by a benzoquinone derivative (DDQ), as recently reported by West et Mechanistic, computational & physical organic chemistry in OBC | Find, read and cite all the research you need on ResearchGate A key step suggested for the combination of catalytic CuCl 2 and O 2 is electron transfer (ET) from the amine to the catalyst (Scheme 2, step (1)), forming an ammoniumyl radical cation intermediate 4. ChemInform Abstract: Cyclization Reactions Through DDQ-Mediated Vinyl Oxazolidinone Oxidation.. HETEROCYCLES 2010, 81 (4) , 965. the whole article in a third party publication with the exception of reproduction For permission to reproduce, republish and Files available from the ACS website may be downloaded for personal use only. Find more information on the Altmetric Attention Score and how the score is calculated. Lei Liu, Paul E. Floreancig. N Total Synthesis of Hapalindole-Type Natural Products. Oxidative and Enantioselective Cross-Coupling of Aldehydes and Nitromethane Catalyzed by Diphenylprolinol Silyl Ether. Stereoselective piperidine synthesis through oxidative carbon–hydrogen bond functionalizations of enamides. You have to login with your ACS ID befor you can login with your Mendeley account. [5] DDQ wird in Wasser zersetzt, ist jedoch stabil in Gegenwart wässriger Mineralsäuren. http://pubs.acs.org/page/copyright/permissions.html, https://doi.org/10.1021/acs.chemrev.7b00656, https://doi.org/10.1021/acssuschemeng.6b01682, https://doi.org/10.1021/acs.orglett.5b01736, https://doi.org/10.1016/j.saa.2019.117821, https://doi.org/10.1016/j.cclet.2019.03.019, https://doi.org/10.1016/j.tetlet.2019.05.016, https://doi.org/10.1016/j.tetlet.2019.03.032, https://doi.org/10.1016/j.catcom.2017.09.019, https://doi.org/10.1016/j.tetlet.2015.01.144, https://doi.org/10.1016/j.tet.2014.03.074, https://doi.org/10.1016/j.tet.2013.05.011, https://doi.org/10.1016/j.vibspec.2012.03.003, https://doi.org/10.1002/9781119972471.ch3, https://doi.org/10.1016/j.tet.2010.03.066. John M. Campbell, Hai-Chao Xu, and Kevin D. Moeller . A Dehydrogenative Diels-Alder Reaction of Prenyl Derivatives with 2,3-Dichloro-5,6-dicyanobenzoquinone. Find more information about Crossref citation counts. not otherwise permitted to reproduce, republish, redistribute, or sell any Supporting Information Cyclopropane Compatibility with Oxidative Carbocation Formation: Total Synthesis of Clavosolide A. Dane J. Clausen and Paul E. Floreancig . 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)/tert-Butyl Nitrite/Oxygen: A Versatile Catalytic Oxidation System. Instructions for using Copyright Clearance Center page for details. The Nazarov cyclisation is an important and reliable reaction for the synthesis of cyclopentenones. (Angew. Niedrige Temperaturen und eine schwach saure Umgebung erhöhen die Stabilität. Victor S. Batista, Robert H. Crabtree, Steven J. Konezny, Oana R. Luca, Jeremy M. Praetorius. Braude. Macha Lingamurthy, Yerri Jagadeesh, Katakam Ramakrishna, and Batchu Venkateswara Rao . Kiyoun Lee, Megan L. Lanier, Jae-Hwan Kwak, Hyoungsu Kim, Jiyong Hong. contained in this article in third party publications Xigong Liu, Zhilin Meng, Chengkun Li, Hongxiang Lou, Lei Liu. Zehua Wang, Ying Mao, Honghao Guan, Min Cao, Jing Hua, Lei Feng, Lei Liu. Reproduced material should be attributed as follows: If the material has been adapted instead of reproduced from the original RSC publication Kwang-Yoon Ko, Sarah Wagner, Sung-Hyun Yang, Daniel P. Furkert, and Margaret A. Brimble . do not need to formally request permission to reproduce material contained in this In all cases the Ref. Enantioselective Aerobic Oxidative C(sp3)–H Olefination of Amines via Cooperative Photoredox and Asymmetric Catalysis. Total synthesis and absolute configuration of avenolide, extracellular factor in Streptomyces avermitilis. Information about reproducing material from RSC articles with different licences Please reconnect. Yubo Cui, Louis A. Villafane, Dane J. Clausen, Paul E. Floreancig. Zhenlu Shen, Jialiang Dai, Jie Xiong, Xijun He, Weimin Mo, Baoxiang Hu, Nan Sun, Xinquan Hu.

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