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Cooperative photoredox and chiral hydrogen-bonding catalysis

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00276C, Review Article
Yanli Yin, Xiaowei Zhao, Baokun Qiao, Zhiyong Jiang
Chiral hydrogen-bonding catalysis is a classic strategy in asymmetric organocatalysis. Recently, it has been used to cooperate with photoredox catalysis, becoming a powerful tool to access optical pure compounds via radical-based transformations.
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Folding of fluorinated oligoarylenes into non-alternant PAHs with various topological shapes

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00370K, Research Article
Vladimir Akhmetov, Andreas Förtsch, Mikhail Feofanov, Sergey Troyanov, Konstantin Amsharov
An unprecedented [6]helicene's cavity closure indicating the possibility of introducing seven-membered rings via alumina-mediated C–F activation is shown.
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Direct organocatalytic asymmetric Michael reaction of fluorine hemiaminal-type nucleophile to 4-nitro-5-styrylisoxazoles

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00348D, Research Article
Luyao Li, Bo Zhu, Huihui Fan, Zhiyong Jiang, Junbiao Chang
Herein, we report a chiral bifunctional thiourea catalyzed asymmetric Michael addition reaction between 2-(trifluoromethyl)oxazol-5(2H)-one as a direct C-2-position nucleophile to 4-nitro-5-styrylisoxazoles for the first time.
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Visible-light mediated oxidative ring expansion of anellated cyclopropanes to fused endoperoxides with antimalarial activity

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00168F, Research Article
Simon Budde, Felix Goerdeler, Johannes Floß, Peter Kreitmeier, Elliot F. Hicks, Oren Moscovitz, Peter H. Seeberger, Huw M. L. Davies, Oliver Reiser
Hetero- and carbocyclic anellated cyclopropanes were converted in one step by a visible light induced photooxidation to their corresponding polycyclic endoperoxides, which show promising antimalarial activity.
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Roquefornine A, a sesterterpenoid with a 5/6/5/5/6-fused ring system from the fungus Penicillium roqueforti YJ-14

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00301H, Research Article
Jia-Peng Wang, Yan Shu, Jun-Tao Hu, Rui Liu, Xue-Yun Cai, Cheng-Tong Sun, Dong Gan, Di-Jiao Zhou, Rui-Feng Mei, Hao Ding, Xiao-Ran Zhang, Le Cai, Zhong-Tao Ding
Roquefornine A, a sesterterpenoid with an unprecedented 5/6/5/5/6-membered pentacyclic system, was characterized from Penicillium roqueforti YJ-14. Its structure was determined by extensive spectroscopic analyses, [Rh2(OCOCF3)4]-induced CD data and DP4+ calculations....
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Access to cyano-substituted pyrazolines through copper-catalyzed cascade cyanation/cyclization of unactivated olefins

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00282H, Research Article
Fei Meng, Qin Fang, Weidong Yuan, Ning Xu, Shujun Cao, Jianlin Chun, Jie Li, Honglin Zhang, Yingguang Zhu
A mild copper-catalyzed cascade cyanation/cyclization of hydrazone-tethered unactivated olefins was developed for the efficient and practical synthesis of cyano-containing pyrazolines.
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Hyperforones A–C, benzoyl-migrated [5.3.1]-type polycyclic polyprenylated acylphloroglucinols from Hypericum forrestii

Org. Chem. Front., 2020, 7,1070-1076
DOI: 10.1039/D0QO00152J, Research Article
Wei-Jia Lu, Wen-Jun Xu, Yan-Qiu Zhang, Yi-Ran Li, Xin Zhou, Qi-Ji Li, Hao Zhang, Jun Luo, Ling-Yi Kong
Unprecedented benzoyl-migrated polycyclic polyprenylated acylphloroglucinols with a unique C-1 H-substituted bicyclo[5.3.1]hendecane framework, hyperforones A–C (1–3), were isolated from Hypericum forrestii.
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Topomeric aza/thia cryptands: synthesis and theoretical aspects of in/out isomerism using n-alkyl bridging

Org. Chem. Front., 2020, 7,1164-1176
DOI: 10.1039/D0QO00123F, Research Article
Ian S. Taschner, Tia L. Walker, Sharath Chandra M., Briana R. Schrage, Christopher J. Ziegler, Xinfeng Gao, Steven E. Wheeler
A series of heterobicyclic aza/thia-lactams and cryptands incorporating changes in n-alkyl bridging length have been synthesized, characterized, chelated to heavy metals and computationally assessed.
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Insights into N-heterocyclic carbene and Lewis acid cooperatively catalyzed oxidative [3 + 3] annulation reactions of α,β-unsaturated aldehyde with 1,3-dicarbonyl compounds

Org. Chem. Front., 2020, 7,1113-1121
DOI: 10.1039/D0QO00091D, Research Article
Xinghua Wang, Yang Wang, Jinshuai Song, Donghui Wei
N-Heterocyclic carbene and Lewis acid cooperatively catalyzed oxidative [3 + 3] annulation reactions of 1,3-dicarbonyl compounds have been systematically studied in theory.
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Toward C2-nitrogenated chromones by copper-catalyzed β-C(sp2)–H N-heteroarylation of enaminones

Org. Chem. Front., 2020, 7,1107-1112
DOI: 10.1039/D0QO00065E, Research Article
Tian Luo, Jie-Ping Wan, Yunyun Liu
The synthesis of C2-nitrogenated chromones has been performed via reactions of enaminones and nitrogen nucleophiles based on an unconventional β-C–H bond functionalization and a featured chromone annulation of enaminones.
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An Aspidosperma-type alkaloid dimer from Tabernaemontana bovina as a candidate for the inhibition of microglial activation

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00296H, Research Article
Yang Yu, Si-Meng Zhao, Mei-Fen Bao, Xiang-Hai Cai
As a representative of twelve undescribed Aspidosperma-type alkaloid dimers, tabernaemontine F (6) inhibited microglial activation by blocking P38 MAPK activation, revealing a potential candidate for chronic neurodegenerative diseases.
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Tricarabrols A–C, three anti-inflammatory sesquiterpene lactone trimers featuring a methylene-tethered linkage from Carpesium faberi

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00093K, Research Article
Jie Yuan, Xuelan Wen, Chang-Qiang Ke, Tian Zhang, Ligen Lin, Sheng Yao, Jason D. Goodpaster, Chunping Tang, Yang Ye
Three anti-inflammatory trimeric compounds constructed from carabrol-type sesquiterpenoids through a methylene-tethered linkage were characterized from Carpesium faberi.
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Phosphine/Palladium Cooperative Catalysis: Enantioselective [5+4] Annulations of ortho-Quinone Methides and Vinylethylene Carbonates

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00128G, Research Article
Chao Xia, Dong-Chao Wang, Gui-Rong Qu, Hai-Ming Guo
Highly enantioselective [5+4] annulations of ortho-quinone methides with vinylethylene carbonates were enabled by phosphine/palladium asymmetric cooperative catalysis for the first time. Efficient synthesis of various nine-membered benzo-heterocycles was achieved in...
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Targeted Isolation of Two Disesquiterpenoids Macrocephadiolides A and B from Ainsliaea macrocephala using Molecular Networking-based Dereplication Strategy

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00030B, Research Article
Yong-Mei Ren, Shuaizhen Zhou, Tian Zhang, Meijia Qian, Rui Zhang, Sheng Yao, Hong Zhu, Chunping Tang, Ligen Lin, Yang Ye
A molecular networking-based dereplication strategy was applied to the phytochemical investigation of Ainsliaea macrocephala, leading to the isolation of two novel disesquiterpenoids macrocephadiolides A (1) and B (2). Their structures,...
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How to write and publish a scientific paper / Robert A. Day

Day, Robert A., 1924-




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Writing scientific papers in English : an ELSE-Ciba Foundation guide for authors / Maeve O'Connor and F.Peter Woodford

O'Connor, Maeve




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Communicating in science : writing and speaking / Vernon Booth

Booth, Vernon




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How to write and publish a scientific paper / Robert A. Day

Day, Robert A., 1924-




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Communicating in science : writing a scientific paper and speaking at scientific meetings / Vernon Booth

Booth, Vernon




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How to write & publish a scientific paper / by Robert A. Day

Day, Robert A., 1924-




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A primer of mathematical writing : being a disquisition on having your ideas recorded, typeset, published, read and appreciated / Steven G. Krantz

Krantz, Steven G. (Steven George), 1951-




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How to write & illustrate a scientific paper / Björn Gustavii

Gustavii, Björn, 1932-




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Writing and presenting scientific papers / Birgitta Malmfors, Phil Garnsworthy, Michael Grossman

Malmfors, Birgitta




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Magnetic microscopy of nanostructures / H. Hopster, H.P. Oepen (eds.)




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How to write and publish a scientific paper / Robert A. Day and Barbara Gastel

Day, Robert A., 1924-




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Physical properties of carbon nanotubes / R. Saito, G. Dresselhaus & M. S. Dresselhaus

Saito, R. (Riichiro)




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Nanostructures & nanomaterials : synthesis, properties & applications / Guozhang Cao

Cao, Guozhong




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Nanofabrication : fundamentals and applications / editor Ampere A. Tseng




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Carbon nanotube devices : properties, modeling, integration and applications / edited by Christofer Hierold




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Inorganic nanowires : applications, properties, and characterization / M. Meyyappan, Mahendra Sunkara

Meyyappan, M




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Inorganic nanostructures : properties and characterization / Petra Reinke

Reinke, Petra




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Nanostructured titanium dioxide materials : properties, preparation and applications / Alireza Khataee, G. Ali Mansoori

Khataee, A. R. (Ali Reza), 1977-




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Nanotechnology research directions for societal needs in 2020 : retrospective and outlook / Mihail C. Roco, Chad A. Mirkin, Mark C. Hersam

Roco, M.C. (Mihail C.)




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Nanotechnology intellectual property rights : research, design, and commercialization / Prabuddha Ganguli, Siddarth Jabade

Ganguli, Prabuddha




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Complex-shaped metal nanoparticles : bottom-up syntheses and applications / edited by Tapan K. Sau and Andrey L. Rogach ; with a foreword by Catherine J. Murphy




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Engineered nanoparticles : structure, properties and mechanisms of toxicity / Ashok K. Singh

Singh, Ashok K., author




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Nanostructures & nanomaterials : synthesis, properties, and applications / Guozhong Cao, Ying Wang

Cao, Guozhong




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Nanopapers : from nanochemistry and nanomanufacturing to advanced applications / edited by Wenyi Huang




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Applied aspects of nano-physics and nano-engineering / Kirill Levine and Andrey Syrkov, editors




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[ASAP] Scale-Up of Room-Temperature Constructive Quantum Interference from Single Molecules to Self-Assembled Molecular-Electronic Films

Journal of the American Chemical Society
DOI: 10.1021/jacs.9b13578




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[ASAP] Selective Modification of Tryptophan Residues in Peptides and Proteins Using a Biomimetic Electron Transfer Process

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c03039




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[ASAP] Too Persistent to Give Up: Aromaticity in Boron Clusters Survives Radical Structural Changes

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c02228




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[ASAP] All-Inorganic Halide Perovskites as Potential Thermoelectric Materials: Dynamic Cation off-Centering Induces Ultralow Thermal Conductivity

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c03427




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[ASAP] Copper-Catalyzed Asymmetric Radical 1,2-Carboalkynylation of Alkenes with Alkyl Halides and Terminal Alkynes

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c03130




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[ASAP] Speciation of Cu Surfaces During the Electrochemical CO Reduction Reaction

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c02354




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[ASAP] Co-immobilization of a Rh Catalyst and a Keggin Polyoxometalate in the UiO-67 Zr-Based Metal–Organic Framework: In Depth Structural Characterization and Photocatalytic Properties for CO<sub>2</sub> Reduction

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c02425




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[ASAP] Extraordinary Acceleration of Cogwheel Helical Self-Organization of Dendronized Perylene Bisimides by the Dendron Sequence Encoding Their Tertiary Structure

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c03353




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[ASAP] Iterative Catalysis in the Biosynthesis of Mitochondrial Complex II Inhibitors Harzianopyridone and Atpenin B

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c03438




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[ASAP] Discovery of Potent Cyclic Sulfopeptide Chemokine Inhibitors via Reprogrammed Genetic Code mRNA Display

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c03152




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[ASAP] Regular Two-Dimensional Arrays of Surface-Mounted Molecular Switches: Switching Monitored by UV–vis and NMR Spectroscopy

Journal of the American Chemical Society
DOI: 10.1021/jacs.0c01753