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Efficient alkene hydrosilation with bis(8-quinolyl)phosphine (NPN) nickel catalysts. The dominant role of silyl-over hydrido-nickel catalytic intermediates

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00997K, Edge Article
Open Access
Jian Yang, Verònica Postils, Michael I. Lipschutz, Meg Fasulo, Christophe Raynaud, Eric Clot, Odile Eisenstein, T. Don Tilley
A cationic nickel complex of the bis(8-quinolyl)(3,5-di-tert-butylphenoxy)phosphine (NPN) ligand, [(NPN)NiCl]+, is a precursor to efficient catalysts for the hydrosilation of alkenes with hydrosilanes under mild conditions and low catalyst loadings.
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Expedient synthesis of conjugated triynes via alkyne metathesis

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01124J, Edge Article
Open Access
Idriss Curbet, Sophie Colombel-Rouen, Romane Manguin, Anthony Clermont, Alexandre Quelhas, Daniel S. Müller, Thierry Roisnel, Olivier Baslé, Yann Trolez, Marc Mauduit
The first synthesis of symmetrical and dissymmetrical conjugated triynes by self- and cross-metathesis was successfully achieved thanks to the use of hindered diynes.
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Stereo-controlled anti-hydromagnesiation of aryl alkynes by magnesium hydrides

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01773F, Edge Article
Open Access
Bin Wang, Derek Yiren Ong, Yihang Li, Jia Hao Pang, Kohei Watanabe, Ryo TAKITA, Shunsuke Chiba
A concise protocol for anti-hydromagnesiation of aryl alkynes was established using 1:1 molar combination of sodium hydride (NaH) and magnesium iodide (MgI2) without the aid of any transition metal catalysts....
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Ring-Fused Cyclobutanes via Cycloisomerization of Alkylidenecyclopropane Acylsilanes

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC02224A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Erick M Carreira, Sarah S Eichenberger, Moritz Hönig, Matthieu JR Richter, Renana Gershoni-Poranne
A novel Lewis acid-catalyzed cycloisomerization of alkylidenecyclopropane acylsilanes is disclosed. The readily available starting materials participate in tandem Prins addition/ring expansion/1,2-silyl shift to grant access to bicyclo[4.2.0]octanes and bicyclo[3.2.0]heptanes, which...
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Protease-Responsive Mass Barcoded Nanotranslaters for Simultaneously Quantifying the Intracellular Activity of Cascaded Caspases in Apoptosis Pathways

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01534B, Edge Article
Open Access
Hongmei Xu, Xiaodan Huang, Zhenzhen Zhang, xuemeng zhang, Qianhao Min, Jun-Jie Zhu
Quantitatively delineating the activation network of multiple proteases that participate in cellular processes is highly essential to understanding physiological and pathological states of cells. In this study, protease-responsive mass barcoded...
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Structure and redox tuning of gas adsorption properties in calixarene-supported Fe(II)-based porous cages

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01833C, Edge Article
Open Access
Meaghan Deegan, Tonia Ahmed, Glenn Yap, Eric D Bloch
We describe the synthesis of Fe(II)-based octahedral coordination cages supported by calixarene capping ligands. The most porous of these molecular cages has an argon accessible BET surface area of 898...
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Nickel catalysis enables convergent paired electrolysis for direct arylation of benzylic C–H bonds

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01445A, Edge Article
Open Access
Lei Zhang, Xile Hu
A direct arylation of benzylic C–H bonds is achieved by integrating Ni-catalyzed benzyl–aryl coupling into convergent paired electrolysis.
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Highly efficient non-doped blue fluorescent OLEDs with low efficiency roll-off based on hybridized local and charge transfer excited state emitters

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01341B, Edge Article
Open Access
Xianhao Lv, Mizhen Sun, Lei Xu, Runzhe Wang, Huayi Zhou, Yuyu Pan, Shitong Zhang, Qikun Sun, Shanfeng Xue, Wenjun Yang
A new pure fluorescent blue HLCT-emitter was designed and synthesized. Highly efficient non-doped blue OLEDs with low efficiency roll-off were achieved.
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Asymmetric synthesis of primary amines catalyzed by thermotolerant fungal reductive aminases

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC02253E, Edge Article
Open Access
Juan Mangas-Sanchez, Mahima Sharma, Sebastian C. Cosgrove, Jeremy I. Ramsden, James R. Marshall, Thomas W. Thorpe, Ryan B. Palmer, Gideon Grogan, Nicholas J. Turner
Fungal reductive aminases as effective biocatalysts for the preparation of chiral primary amines.
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Rapidly Self-deoxygenating Controlled Radical Polymerization in water via in-situ Disproportionation of Cu(I)

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01512A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
David Haddleton, Evelina Liarou, Yisong Han, Marc Walker, Ana Sanchez
The first rapidly self-deoxygenating Cu-RDRP in aqueous media is investigated. The disproportionation of Cu(I)/Me6Tren in water towards Cu(II) and highly reactive Cu(0) leads to O2-free reaction environments within the first...
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Recent developments in nickel-catalyzed intermolecular dicarbofunctionalization of alkenes

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Chem. Sci., 2020, 11,4287-4296
DOI: 10.1039/C9SC06006E, Minireview
Open Access
Joseph Derosa, Omar Apolinar, Taeho Kang, Van T. Tran, Keary M. Engle
Nickel-catalyzed three-component alkene difunctionalization has rapidly emerged as a powerful tool for forging multiple C–C bonds in a single step.
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DP4-AI automated NMR data analysis: straight from spectrometer to structure

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Chem. Sci., 2020, 11,4351-4359
DOI: 10.1039/D0SC00442A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Alexander Howarth, Kristaps Ermanis, Jonathan M. Goodman
A robust system for automatic processing and assignment of raw 13C and 1H NMR data DP4-AI has been developed and integrated into our computational organic molecule structure elucidation workflow.
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Redox-responsive supramolecular polymeric networks having double-threaded inclusion complexes

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Chem. Sci., 2020, 11,4322-4331
DOI: 10.1039/C9SC05589D, Edge Article
Open Access
Hikaru Aramoto, Motofumi Osaki, Subaru Konishi, Chiharu Ueda, Yuichiro Kobayashi, Yoshinori Takashima, Akira Harada, Hiroyasu Yamaguchi
A hydrogel actuator with a 1:2 host–guest complex controlled by redox stimuli has been developed to realize faster and larger deformation.
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General and selective synthesis of primary amines using Ni-based homogeneous catalysts

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Chem. Sci., 2020, 11,4332-4339
DOI: 10.1039/D0SC01084G, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Kathiravan Murugesan, Zhihong Wei, Vishwas G. Chandrashekhar, Haijun Jiao, Matthias Beller, Rajenahally V. Jagadeesh
A Ni-triphos based homogeneous catalyst enabled the synthesis of all kinds of primary amines by reductive amination of carbonyl compounds with ammonia and hydrogenation of nitroarenes.
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SAXS studies of the thermally-induced fusion of diblock copolymer spheres: formation of hybrid nanoparticles of intermediate size and shape

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Chem. Sci., 2020, 11,4312-4321
DOI: 10.1039/D0SC00569J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
E. J. Cornel, P. S. O'Hora, T. Smith, D. J. Growney, O. O. Mykhaylyk, S. P. Armes
Dilute dispersions of poly(lauryl methacrylate)-poly(benzyl methacrylate) diblock copolymer spheres of differing mean diameter are mixed and thermally annealed at 150 °C to produce either spherical or non-spherical nanoparticles of intermediate size.
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Peculiar bond characters of fivefold coordinated octet compound crystals

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Chem. Sci., 2020, 11,4340-4350
DOI: 10.1039/D0SC00292E, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
An-An Sun, Shang-Peng Gao, Gong Gu
A refreshed view of chemical bonds in solids unveils unusual bonding in fivefold coordinated bulk crystals of octet compounds: out-of-plane cation–anion chain bonding via overlapping pz orbitals replaces in-plane π bonding of the isolated monolayer.
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Redox-inactive ions control the redox-activity of molecular vanadium oxides

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Chem. Sci., 2020, 11,4450-4455
DOI: 10.1039/D0SC01401J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Simon Greiner, Benjamin Schwarz, Mark Ringenberg, Maximilian Dürr, Ivana Ivanovic-Burmazovic, Maximilian Fichtner, Montaha Anjass, Carsten Streb
The enhanced redox-activity of a molecular vanadium oxide cluster upon functionalization with redox-inert Ca2+ ions is reported together with initial insights into its performance as a lithium ion battery cathode.
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A pH ratiometrically responsive surface enhanced resonance Raman scattering probe for tumor acidic margin delineation and image-guided surgery

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Chem. Sci., 2020, 11,4397-4402
DOI: 10.1039/D0SC00844C, Edge Article
Open Access
Wenjia Duan, Qi Yue, Ying Liu, Yunfei Zhang, Qinghua Guo, Cong Wang, Shujie Yin, Dandan Fan, Wenjing Xu, Jiexian Zhuang, Jiachao Gong, Xinwei Li, Ruimin Huang, Liang Chen, Silvio Aime, Zhongliang Wang, Jianfeng Feng, Ying Mao, Xiao-Yong Zhang, Cong Li
A novel pH ratiometrically responsive surface-enhanced resonance Raman scattering (SERRS) probe was developed for tumor acidic margin delineation and image-guided surgery.
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What is the role of acid–acid interactions in asymmetric phosphoric acid organocatalysis? A detailed mechanistic study using interlocked and non-interlocked catalysts

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Chem. Sci., 2020, 11,4381-4390
DOI: 10.1039/D0SC01026J, Edge Article
Open Access
Dennis Jansen, Johannes Gramüller, Felix Niemeyer, Torsten Schaller, Matthias C. Letzel, Stefan Grimme, Hui Zhu, Ruth M. Gschwind, Jochen Niemeyer
Supramolecular acid–acid interactions lead to competing monomeric and dimeric pathways in phosphoric acid catalysis – so that stereoselectivities depend on catalyst concentration.
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Chemical synthesis and immunological evaluation of new generation multivalent anticancer vaccines based on a Tn antigen analogue

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Chem. Sci., 2020, 11,4488-4498
DOI: 10.1039/D0SC00544D, Edge Article
Open Access
Carlo Pifferi, Ane Ruiz-de-Angulo, David Goyard, Claire Tiertant, Nagore Sacristán, Diego Barriales, Nathalie Berthet, Juan Anguita, Olivier Renaudet, Alberto Fernández-Tejada
A fully-synthetic anticancer vaccine candidate incorporating an hexadecavalent Tn antigen analogue display via oxime linkages induced tumor-specific IgG antibodies and cellular immune responses in mice coadministered with QS-21 as an adjuvant.
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Hydrogen peroxide reduction on single platinum nanoparticles

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Chem. Sci., 2020, 11,4416-4421
DOI: 10.1039/D0SC00379D, Edge Article
Open Access
Xin Chang, Christopher Batchelor-McAuley, Richard G. Compton
At the single platinum nanoparticle scale the hydrogen peroxide reduction reaction is a surface limited process.
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The structures of ordered defects in thiocyanate analogues of Prussian Blue

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Chem. Sci., 2020, 11,4430-4438
DOI: 10.1039/D0SC01246G, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Matthew J. Cliffe, Evan N. Keyzer, Andrew D. Bond, Maxwell A. Astle, Clare P. Grey
We report the structures of six new divalent transition metal hexathiocyanatobismuthate Prussian Blue analogues frameworks, which contain complex ordered defect structures.
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Self-assembly of reversed bilayer vesicles through pnictogen bonding: water-stable supramolecular nanocontainers for organic solvents

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Chem. Sci., 2020, 11,4374-4380
DOI: 10.1039/D0SC00206B, Edge Article
Open Access
Shiva Moaven, Brandon T. Watson, Shelby B. Thompson, Veronica J. Lyons, Daniel K. Unruh, Dominick J. Casadonte, Dimitri Pappas, Anthony F. Cozzolino
A new air and moisture stable antimony thiolate compound has been prepared that spontaneously forms stable hollow vesicles.
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Biocatalytic reversible control of the stiffness of DNA-modified responsive hydrogels: applications in shape-memory, self-healing and autonomous controlled release of insulin

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Chem. Sci., 2020, 11,4516-4524
DOI: 10.1039/D0SC01319F, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Chen Wang, Amit Fischer, Avner Ehrlich, Yaakov Nahmias, Itamar Willner
Biocatalytic control over the stiffness of pH-responsive hydrogels is applied to develop shape-memory, self-healing and controlled release matrices.
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Machine-enabled inverse design of inorganic solid materials: promises and challenges

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00594K, Minireview
Open Access
Juhwan Noh, Geun Ho Gu, Sungwon Kim, Yousung Jung
The grand challenge of materials science, discovery of novel materials with target properties, can be greatly accelerated by machine-learned inverse design strategies.
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Mapping the multi-step mechanism of a photoredox catalyzed atom-transfer radical polymerization reaction by direct observation of the reactive intermediates

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Chem. Sci., 2020, 11,4475-4481
DOI: 10.1039/D0SC01194K, Edge Article
Open Access
Luke Lewis-Borrell, Mahima Sneha, Aditi Bhattacherjee, Ian P. Clark, Andrew J. Orr-Ewing
Short-lived intermediates are tracked in real-time by transient absorption spectroscopy during a multi-step photoredox catalysed polymerization reaction.
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Self-enhanced multicolor electrochemiluminescence by competitive electron-transfer processes

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Chem. Sci., 2020, 11,4508-4515
DOI: 10.1039/D0SC00853B, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Silvia Voci, Romain Duwald, Stéphane Grass, David J. Hayne, Laurent Bouffier, Paul S. Francis, Jérôme Lacour, Neso Sojic
Controlling electrochemiluminescence (ECL) color(s) is crucial for many applications ranging from multiplexed bioassays to ECL microscopy.
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Redox deracemization of β,γ-alkynyl α-amino esters

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Chem. Sci., 2020, 11,4444-4449
DOI: 10.1039/D0SC00944J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Lu Zhang, Rongxiu Zhu, Aili Feng, Changyin Zhao, Lei Chen, Guidong Feng, Lei Liu
A one-pot deracemization of β,γ-alkynyl α-amino esters consisting of an aerobic oxidation and chiral phosphoric acid-catalyzed asymmetric transfer hydrogenation has been described.
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Selective electrochemical reduction of carbon dioxide to ethanol via a relay catalytic platform

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01133A, Edge Article
Open Access
Juan Du, Shaopeng Li, Shulin Liu, Yu Xin, Bingfeng Chen, Huizhen Liu, Buxing Han
The relay catalytic platform is very efficient and selective for CO2 electroreduction to ethanol.
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Enlightening advances in polymer bioconjugate chemistry: light-based techniques for grafting to and from biomacromolecules

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01544J, Perspective
Open Access
Rebecca A. Olson, Angie B. Korpusik, Brent S. Sumerlin
Light-driven synthetic techniques have revolutionized polymer–biomacromolecule conjugation. This Perspective discusses the benefits of photochemistry for polymer–protein ligation and considerations when designing a new light-driven conjugation approach.
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Synthesis of unstrained Criegee intermediates: inverse α-effect and other protective stereoelectronic forces can stop Baeyer-Villiger rearrangement of γ-hydroperoxy-γ-peroxylactones

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01025A, Edge Article
Open Access
Vera A. Vil', Yana Barsegyan, Leah Kuhn, Maria V. Ekimova, Egor A. Semenov, Alexander Korlyukov, Alexander Olegovich Terent'ev, Igor Alabugin
How far can we push the limits in removing stereoelectronic protection from an unstable intermediate? We address this question by exploring the interplay between the primary and secondary stereoelectronic effects...
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Regioselective Molybdenum-catalyzed allylic substitution of tertiary allylic electrophiles: methodology development and applications

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01763A, Edge Article
Open Access
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Muhammad Salman, Yaoyao Xu, Shahid Khan, Junjie Zhang, Ajmal Khan
The first molybdenum-catalyzed allylic sulfonylation of tertiary allylic electrophile is described. The method utilizes a readily accesable catalyst (Mo(CO)6/2,2'-bipyridine, both are commercially available) and represent the first example of the...
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Sequential C–O decarboxylative vinylation/C–H arylation of cyclic oxalates via a nickel-catalyzed multicomponent radical cascade

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01471K, Edge Article
Open Access
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Huan Li, Lei Guo, Xiaoliang Feng, Liping Huo, Shengqing Zhu, Lingling Chu
A selective, sequential C–O decarboxylative vinylation/C–H arylation of cyclic alcohol derivatives enabled by visible-light photoredox/nickel dual catalysis has been described.
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Near-infrared light-activated membrane fusion for cancer cell therapeutic applications

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC00863J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Fujian Huang, Ruilin Duan, Zhixin Zhou, Margarita Vázquez-González, fan xia, Itamar Willner
The spatiotemporal stimulation of liposome-liposome or liposome-membrane fusion processes attracts growing interest as a means to mimic cell-cell interactions in nature and for using these processes for biomedical applications. We...
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The Endeavor of Vibration-Induced Emission (VIE) for Dynamic Emissions

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Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01591A, Perspective
Open Access
Zhiyun Zhang, Guangchen Sun, Wei Chen, Jianhua Su, He Tian
Organic chromophores with large Stokes shifts and dual emissions are fascinating because of their fundamental and application interests. Vibration-induced emission (VIE) refers to a tunable multiple fluorescence exhibited by saddle-shaped...
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N2Phos – an easily made, highly effective ligand designed for ppm level Pd-catalyzed Suzuki–Miyaura cross couplings in water

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Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00968G, Edge Article
Open Access
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Nnamdi Akporji, Ruchita R. Thakore, Margery Cortes-Clerget, Joel Andersen, Evan Landstrom, Donald H. Aue, Fabrice Gallou, Bruce H. Lipshutz
A new, biaryl phosphine-containing ligand, N2Phos, forms a 1 : 1 complex with Pd resulting in an active catalyst at the ppm level for Suzuki–Miyaura couplings in water, enabled by an aqueous micellar medium. Notably, aryl chlorides are shown to be amenable substrates.
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Weather Warnings for Queensland - land areas. Issued by the Australian Bureau of Meteorology

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'Procure TrueNat machines for speedy corona test'

By timesofindia.indiatimes.com
Published On :: Fri, 08 May 2020 04:00:00 IST

CM Nitish Kumar on Thursday ordered expeditious procurement of TrueNat machines and their installation in all district hospitals for speedy coronavirus test results. The machine yields the result in less than an hour if it is negative, and in the case of positive case, it requires cross-checking with the other method.


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Bihar hands over 68-bed AES ward to SKMCH

By timesofindia.indiatimes.com
Published On :: Fri, 08 May 2020 04:00:00 IST

A fully-equipped 68-bed AES ward was formally handed over to the Sri Krishna Medical College and Hospital (SKMCH) at Muzaffarpur by the state government on Thursday.


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How these youths feed the poor in Patna

By timesofindia.indiatimes.com
Published On :: Sat, 09 May 2020 04:00:00 IST

At a time when the entire nation is trying to prevent the spread of Covid-19 by staying indoors, this 19-year-old undergraduate is making rounds of the city and distributing food to the needy people.


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Show-cause notices issued to 87 medicos of JNMCH

By timesofindia.indiatimes.com
Published On :: Sat, 09 May 2020 12:30:15 IST

Dr Sinha on Friday said that show-cause notices have been issued to 87 erring PG students.


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Bihar man held, stolen gold biscuits seized

By timesofindia.indiatimes.com
Published On :: Sat, 09 May 2020 04:00:00 IST

Police arrested one Mohan Kumar (30) from Shivaji Nagar Bagicha under the Digha police station area in Patna on Friday and recovered stolen gold biscuits, jewellery and cash worth around Rs 20 lakh from his possession.


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Muzaffarpur girl kidnapped, taken to Patna

By timesofindia.indiatimes.com
Published On :: Sat, 09 May 2020 12:28:11 IST

Amid lockdown when vehicle movement in restricted, three youths allegedly kidnapped the daughter of a private school owner in Muzaffarpur from Circuit House Road in a car, brought her to SK Nagar in Patna and then took her to Mahnar in Vaishali.


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Who are intermediaries in an IPO?

By economictimes.indiatimes.com
Published On :: 2020-04-06T12:18:25+05:30

All the relevant information regarding the four intermediates such as addresses, telephone/fax numbers, registration number, and contact person and email addresses, are disclosed in the offer documents.


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What is draft red herring prospectus?

By economictimes.indiatimes.com
Published On :: 2020-04-06T12:52:57+05:30

The document clarifies the reason why the company wants to raise money from the public, how the money will be used and risks involved in investing in the company.


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Laxmi Goldorna IPO overall subscribed 1.15 times

By economictimes.indiatimes.com
Published On :: 2020-04-06T18:23:00+05:30

The company would be listed on NSE EMERGE after the lockdown is eased.


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Preschool in three cultures revisited : China, Japan, and the United States / Joseph Tobin, Yeh Hsueh, and Mayumi Karasawa

By prospero.murdoch.edu.au
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Tobin, Joseph Jay


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Applied learning design in an online teacher-education course / Jillian J. Downing

By prospero.murdoch.edu.au
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Downing, Jillian J., author


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Photosensitive students and digital media : a survey of educators regarding knowledge and self efficacy / Janene Sproul

By prospero.murdoch.edu.au
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Sproul, Janene, author


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Academic culture : a student's guide to studying at university / Jean Brick, Maria Herke, Deanna Wong ; editor: Laura Davies

By prospero.murdoch.edu.au
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Brick, Jean, author


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