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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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Asymmetric Organocatalytic Double 1,6-Addition: Rapid Access to Chiral Chromans with Molecular Complexity

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00354A, Research Article
Indranil Chatterjee, Sourav Roy, Suman Pradhan, Krishan Kumar
An organocatalytic cascade vinylogous double 1,6-addition strategy for the synthesis of chiral chroman derivatives is reported. The cascade reaction follows oxa-Michael/1,6-addition reactions between ortho-hydroxyphenyl-substituted para-quinone methadies and 2,4-dienal derivatives to...
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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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Differential formation of nitrogen-centered radicals leading to unprecedented, regioselective bromination of N,N'-(1,2-phenylene)bisamides and 2-amidophenols

Org. Chem. Front., 2020, 7,1095-1106
DOI: 10.1039/C9QO01508F, Research Article
Damoder Reddy Motati, Dilipkumar Uredi, Amarender Goud Burra, J. Phillip Bowen, Frank R. Fronczek, Clint R. Smith, E. Blake Watkins
A highly efficient, site-selective, visible light-accelerated, remote C–H halogenation of unsymmetrical aromatic bisamides/amidoesters has been developed.
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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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Access to branched allylsilanes by nickel-catalyzed regioselective hydrosilylation of allenes

Org. Chem. Front., 2020, 7,1132-1136
DOI: 10.1039/D0QO00156B, Research Article
Jia-Hao Zeng, Jun-Jia Chen, Li Chen, Zhuang-Ping Zhan
A Ni(acac)2/Xantphos-catalyzed hydrosilylation of allenes has been developed.
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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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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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An exocyclic π-system extension of the phenanthriporphyrin framework: towards azaaceneporphyrinoids

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00436G, Research Article
Bartosz Szyszko, Damian Dróżdż, Aleksandra Sarwa, Sebastian G. Mucha, Agata Białońska, Michał J. Białek, Katarzyna Matczyszyn, Lechosław Latos-Grażyński
An exocyclic π-extension of phenanthriporphyrin reduces the macrocyclic antiaromaticity of the formed expanded carbaporphyrinoids.
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Catalyst-Controlled Formal [4+1] Annulation of N-Vinyl Fluorenone Nitrones and Allenoates to Prepare Spirofluorenylpyrrolines

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00224K, Research Article
Cui Wei, Jin-Qi Zhang, Jia-Jie Zhang, Cui Liang, Dong-Liang Mo
We report a readily commercial Gimeracil-catalyzed formal [4+1] annulation approach for the synthesis of spirofluorenylpyrrolines in good yields with high diastereoselectivity from easily available N-vinyl fluorenone nitrones and allenoates. The...
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A Vinylogous Michael Reaction of 2-Furanones Dimers to α, β-Unsaturated Nitroolefins for Constructing Chiral γ, γ-Disubstituted Butenolides

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00376J, Research Article
Zhushuang Bai, Cairong Zhang, Yongyi Chen, Aiqin Liu, Xinyu Wang, Chuna Yan, Xuechao Liu, Xiaoru Zhang, Ying Li, Ye Yuan, Zemei Ge, Jingxiang Pang, Yongshuai Chai, Xin Wang, Runtao Li
An efficient bifunctional thiourea catalyzed asymmetric vinylogous Michael addition of 2-furanones dimers to α, β-unsaturated nitroolefins has been developed to give the functional chiral γ,γ-disubstituted butenolides in good yields (up...
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How to write and publish a scientific paper / Robert A. Day

Day, Robert A., 1924-




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Scientists must write : a guide to better writing for scientists, engineers and students / Robert Barrass

Barrass, Robert




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The ACS style guide : a manual for authors and editors / Janet S. Dodd, editor ; Marianne C. Brogan, advisory editor




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The art of scientific writing : from student reports to professional publications in chemistry and related fields / Hans F. Ebel, Claus Bliefert, William E. Russey

Ebel, Hans Friedrich




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

Day, Robert A., 1924-




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Writing successfully in science / Maeve O'Connor ; with cartoons by Jenny Gretton

O'Connor, Maeve




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A guide to scientific writing : manual for students and research workers / David Lindsay

Lindsay, David




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

Day, Robert A., 1924-




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The ACS style guide : a manual for authors and editors / Janet S. Dodd, editor




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Nanotechnology / Gregory Timp, editor




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Writing to learn biology / Randy Moore

Moore, Randy




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How to write & illustrate a scientific paper / Björn Gustavii

Gustavii, Björn, 1932-




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A guide to scientific writing / David Lindsay

Lindsay, D. R




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Nanotechnology and the environment : applications and implications / Barbara Karn ... [et al.], [editors]




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Introduction to nanoscale science and technology / edited by Massimiliano Di Ventra, Stephane Evoy. James R. Heflin




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Noncontact atomic force microscopy / S. Morita, R. Wiesendanger, E. Meyer (eds.)




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Micromachines as tools for nanotechnology / H. Fujita, [editor]




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Nano-engineering in science and technology : an introduction to the world of nano-design / Michael Rieth

Rieth, Michael




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Nanotechnology focus / Eugene V. Dirote (editor)




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Nanostructured and advanced materials for applications in sensor, optoelectronic and photovaltaic technology / edited by A. Vaseashta, D. Dimova-Malinovska and J. M. Marshall

NATO Advanced Study Institute on Nanostructured and Advanced Materials for Applications in Sensors, Optoelectronic and Photovoltaic Technology (2004 : Sozopol, Bulgaria)




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Nanochemistry : a chemical approach to nanomaterials / Geoffrey A. Ozin and André C. Arsenault

Ozin, Geoffrey A., 1943-




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Clusters and nano-assemblies : physical and biological systems / editors, P. Jena, S.N. Khanna, B.K. Rao




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Handbook of semiconductor nanostructures and nanodevices / edited by Alexander A. Balandin, Kang L. Wang




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Nanophysics and nanotechnology : an introduction to modern concepts in nanoscience / Edward L. Wolf

Wolf, E. L




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What is what in the nanoworld : a handbook on nanoscience and nanotechnology / Victor E. Borisenko and Stefano Ossicini

Borisenko, V. E. (Viktor Evgenʹevich)




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Nanostructures : novel architecture / Mircea V. Diudea, editor




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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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Focus on Nanotube research / Delores A. Martin (editor)




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Nanotechnology at the leading edge / Eugene V. Dirote (editor)




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Nanoscale devices : fundamentals and applications / edited by Rudolf Gross, Anatolie Sidorenko and Lenar Tagirov

NATO Advanced Research Workshop on Nanoscale Devices - Fundamentals and Applications (2004 : Kishinev, Moldova)




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Photon-based nanoscience and nanobiotechnology / edited by Jan J. Dubowski and Stoyan Tanev

NATO Advanced Study Institute on Photon-based Nanoscience and Technology: from Atomic Level Manipulation to Materials Synthesis and Nano-Biodevice Manufacturing (2005 : Sherbrooke, Québec)




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Environmental applications of nanomaterials : synthesis, sorbents and sensors / editors, Glen E. Fryxell, Guozhong Cao




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Environmental nanotechnology : applications and impacts of nanomaterials / editors, Mark R. Wiesner, Jean-Yves Bottero




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Introduction to nanotechnology / Charles P. Poole, Jr., Frank J. Owens

Poole, Charles P




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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