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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.
The content of this RSS Feed (c) The Royal Society of Chemistry




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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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Direct synthesis of annulated indoles through palladium-catalyzed double alkylations

Org. Chem. Front., 2020, 7,1149-1157
DOI: 10.1039/D0QO00135J, Research Article
Yadong Gao, Jianhua Li, Songlin Bai, Daoquan Tu, Chao Yang, Zhiwen Ye, Bingcheng Hu, Xiangbing Qi, Chao Jiang
A facile, one-step synthesis of annulated indoles from (N–H) indoles and dibromoalkanes was developed through a palladium-catalyzed double alkylation process.
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Transition-metal-free aerobic C–O bond formation via C–N bond cleavage

Org. Chem. Front., 2020, 7,1077-1081
DOI: 10.1039/D0QO00173B, Research Article
Lirong Guo, Fengting Liu, Liying Wang, Hairui Yuan, Lei Feng, Haifeng Lu, Hongyin Gao
We disclosed a TM-free cascade SNAr-[3,3] rearrangement–rearomatization process for the efficient construction of NOBIN-type biaryls from readily available (hetero)arylhydroxylamines and aryltrimethylammonium salts under mild conditions.
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Anthranils: versatile building blocks in the construction of C–N bonds and N-heterocycles

Org. Chem. Front., 2020, 7,1177-1196
DOI: 10.1039/D0QO00163E, Review Article
Yang Gao, Jianhong Nie, Yanping Huo, Xiao-Qiang Hu
This review article provides an overview of the recent progress in the transformations of anthranils, which have emerged as versatile building blocks in the assembly of various C–N bonds and medicinally active heterocyclic systems.
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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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Chiral strong Brønsted acid-catalyzed enantioselective addition reaction of simple olefins with ethyl glyoxylate

Org. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QO00448K, Research Article
Jun Kikuchi, Yuki Aizawa, Masahiro Terada
An enantioselective intermolecular addition reaction of 1,1,2-trisubstituted and 1,2- disubstituted simple olefins with ethyl glyoxylate was developed using F10BINOL-derived N-sulfonyl phosphoramide as a chiral strong Brønsted acid catalyst.
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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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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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Mechanism and Origins of Stereo- and Enantioselectivities of Palladium-Catalyzed Hydroamination of Racemic Internal Allenes via Dynamic Kinetic Resolution: A Computational Study

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00174K, Research Article
Zhenzhen Wu, Mei Zhang, Yu Shi, Genping Huang
Density functional theory calculations have been performed to investigate the Pd-catalyzed hydroamination of racemic internal allenes with pyrazoles. The computations show that the originally proposed reaction mechanisms initiated by the...
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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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Rhodium(III)-catalyzed synthesis of 3-trifluoromethylindanones from N-Methoxybenzamides via C-H activation and Claisen/Retro-Claisen reaction

Org. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QO00330A, Research Article
Satyasheel Sharma, Bharatkumar Chaudhary, Neeraj Kulkarni
The Rhodium(III)-catalyzed reaction of N-methoxybenzamides as a directing group with β-trifluoromethyl-α,β-unsaturated ketones is reported. The reaction involved sp2 C−H activation, followed by Claisen condensation involving C-N bond cleavage to form...
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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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Handbook for Chemical Society authors / [Chemical Society]

Chemical Society (Great Britain)




an

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

Barrass, Robert




an

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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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




an

Communicating in science : writing and speaking / Vernon Booth

Booth, Vernon




an

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

Day, Robert A., 1924-




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

Lindsay, David




an

Handbook of writing for the mathematical sciences / Nicholas J. Higham

Higham, N. J




an

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

Booth, Vernon




an

Writing scientific English : a textbook of English as a foreign language for students of physical and engineering sciences / John Swales

Swales, John




an

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




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Nanotechnology / Gregory Timp, editor




an

Writing to learn biology / Randy Moore

Moore, Randy




an

Springer handbook of nanotechnology / Bharat Bhushan (ed.)




an

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

Malmfors, Birgitta




an

Handbook of microscopy for nanotechnology / edited by Nan Yao, Zhong Lin Wang




an

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




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Nanoelectromechanics in engineering and biology / Michael Pycraft Hughes

Hughes, Michael Pycraft, 1970-




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A student handbook for writing in biology / Karin Knisely

Knisely, Karin




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




an

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




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Applied physics of carbon nanotubes : fundamentals of theory, optics and transport devices / S.V. Rotkin, S. Subramoney (eds.)




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




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




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Molecular engineering of nanosystems / Edward A. Rietman

Rietman, Ed




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Nanotechnology : basic science and emerging technologies / Mick Wilson ... [et al.]




an

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)




an

Nanoscale calibration standards and methods : dimensional and related measurements in the micro- and nanometer range / edited by Günter Wilkening, Ludger Koenders




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Organic and inorganic nanostructures / Alexei Nabok

Nabok, Alexei




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Nanoparticles : building blocks for nanotechnology / edited by Vincent Rotello




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Principles of nanotechnology : molecular-based study of condensed matter in small systems / G. Ali Mansoori

Mansoori, G. A. (G. Ali)