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Photoinduced cobaloxime catalysis for allylic mono- and diphosphinylation of alkenes with hydrogen evolution

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01638F, Research Article
Aijun Zhang, Miao-Miao Li, Lei Guo, Huaixiang Yang, Jiefei Guo, Da Xu, Wei Ding
A highly efficient allylic radical mono- and diphosphinylation of alkenes with secondary phosphine oxides is developed, via visible-light-induced cobaloxime catalysis.
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Phosphine-controlled divergent reactions of MBH-carbonates with azaheptafulvenes: access to o-anilinyl diene and benzazepine derivatives

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6418-6425
DOI: 10.1039/D4QO01298D, Research Article
Wei Hao, Yiwen Zhang, Xiao Han, Zhen Wang, Weijun Yao
A phosphine controlled divergent cascade reaction of MBH-carbonates with azaheptafulvenes was disclosed. PPh3 provided o-aminophenyl diene while PCy3 offered benzazepine derivative through formal [8 + 3] annulation/ring contraction cascade.
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A general method for E-selective olefination of acylsilanes with isocyanides via silver catalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6450-6458
DOI: 10.1039/D4QO01528B, Research Article
Xiu-Xia Liang, Dan-Ni Yang, Xiao-Hui Yan, Peng Wang, Man-Yi Han
A silver-catalyzed olefination reaction between acylsilanes and isocyanides is developed, resulting in E-vinylsilanes with good yields and high stereoselectivities.
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Nickel-catalysed enantioselective cross-electrophile coupling reaction with the retention of the β-fluorine atom

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6459-6469
DOI: 10.1039/D4QO01555J, Research Article
Xin-Yi Shi, Xueyuan Yan, Xiaodong Tang, Shi-Jing Zhai, Genping Huang, Jun-An Ma, Fa-Guang Zhang
A nickel-catalysed enantioselective reductive cross-coupling reaction of a new monofluoromethyl building block with acid chlorides is developed to give chiral α-monofluoromethyl acyloin derivatives.
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Activation of donor–acceptor cyclopropanes under basic conditions: ring opening of 2-(p-siloxyaryl)cyclopropane 1,1-dicarboxylates with nitro compounds and other C-nucleophiles

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6483-6494
DOI: 10.1039/D4QO01472C, Research Article
Yulia A. Antonova, Andrey A. Tabolin
A new activation mode for donor–acceptor cyclopropanes was proposed and implemented in their reaction with nitro compounds and other common C-nucleophiles.
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Anomalous magnetic behaviour induced by a structural phase transition with anisotropic thermal expansion in a spirodiradical

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6495-6502
DOI: 10.1039/D4QO01098A, Research Article
Open Access
Takuya Kanetomo, Daigo Matsunaga, Shinichi Ogawa, Masaya Enomoto
A Ge-centred spirodiradical exhibited anomalous magnetic behaviour, influenced by two key structural factors: negative thermal expansion and a structural phase transition.
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Cobalt-catalyzed enantioselective reductive addition of ketimine with cyclopropyl chloride to construct chiral amino esters bearing cyclopropyl fragments

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6311-6318
DOI: 10.1039/D4QO01474J, Research Article
Jiangtao Hu, Tingting Xia, Xianqing Wu, Hongrui Feng, Jingping Qu, Yifeng Chen
Co-catalyzed asymmetric reductive addition of ketimine with cyclopropyl chloride has been realized to access diverse chiral amino esters bearing cyclopropyl fragments with broad functional group tolerance and excellent enantioselectivities.
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Integrating electrocatalysis with biocatalysis for asymmetric synthesis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01899K, Highlight
Yuqi Lin, Jiage Yu, Ke-Yin Ye
This highlight presents recent advances in asymmetric synthesis that integrate electrocatalysis with biocatalysis and discusses future development directions in this field.
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Palladium-catalyzed cascade decarboxylative cyclization of alkyne-tethered aryl iodides with o-bromobenzoic acids for the synthesis of fused isoquinolinones

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01573H, Research Article
Zhaolin Quan, Yubo Duan, Zhengkai Chen
A straightforward approach for the preparation of fused isoquinolinone derivatives via palladium-catalyzed cascade decarboxylative cyclization of alkyne-tethered aryl iodides with o-bromobenzoic acids is described.
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Synthesis of oxa-bridged carbocycles via rhodium/Lewis acid catalyzed [3 + 3] and [4 + 3] cycloadditions of carbonyl ylides with donor–acceptor strained carbocycles

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01831A, Research Article
Jiale Li, Lingfei Wang, Pei-Nian Liu, Xingguang Li
A method for cooperative rhodium/Lewis acid-catalyzed cycloadditions of carbonyl ylides with donor–acceptor (D–A) strained carbocycles is described. It affords structurally diverse oxa-bridged carbocycles with high efficiency and stereoselectivity.
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Intermolecular Defluorinative 1,2-Diamination of Fluoroalkenyl Iodides with Sulfonamides: Synthesis of Acyclic and Cyclic Fluorinated 1,2-Enediamines

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2025, Accepted Manuscript
DOI: 10.1039/D4QO01913J, Research Article
Xue-Qiang Chu, Yu-Lan Chen, Chi Zhang, Xue-Ying Huang, Yu Ding, Danhua Ge, Zhi-Liang Shen
Alkene diamination represents one of the most straightforward strategies for 1,2-diamine derivatives synthesis. However, transition-metal-free 1,2-diamination of fluoroalkenes has been less studied. Here we report an intermolecular defluorinative vicinal diamination...
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No more parties without permission: Telangana Excise Dept. to farmhouse owners

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 19:42:15 +0530


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U.S. doctors explore institutional collaboration with NIMS

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 19:38:44 +0530


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Telangana’s Dhanalakota Vaikuntam Nakash’s journey with Cheriyal art

By www.thehindu.com
Published On :: Mon, 11 Nov 2024 14:30:09 +0530

The 64-year-old artist adapts to the times to narrate stories in the 400-year-old Cheriyal artform in new mediums


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KTR’s Delhi visit to lobby with BJP to save him in Formula-E race case: Congress

By www.thehindu.com
Published On :: Tue, 12 Nov 2024 00:42:43 +0530


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Virat Kohli drops hints of completing 20 years with RCB

By www.thehindu.com
Published On :: Sat, 02 Nov 2024 15:52:51 +0530

Virat Kohli has been playing for RCB ever since IPL's inception in 2008 and is the leading run-scorer in the competition, amassing over 8,000 runs


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IND vs NZ third Test: India takes a narrow lead, with the Test poised on a knife’s edge

By www.thehindu.com
Published On :: Sat, 02 Nov 2024 19:19:18 +0530

Pant leads the way with an entertaining knock, while Gill is unlucky to miss his hundred; Azaz once again excels with a five-for to keep the Kiwis in the hunt on a turning track turning hostile for the batters with every passing hour


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RANJI TROPHY | Jalaj Saxena torments Uttar Pradesh with a five-wicket haul

By www.thehindu.com
Published On :: Wed, 06 Nov 2024 20:10:28 +0530

CRICKET | Kerala seizes control as the off-spinner becomes the only player to score 6000 runs and take 400 wickets in the tournament after his latest five-wicket haul


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Ranji Trophy | Mulani puts Mumbai within striking distance of a big win against Odisha

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 00:43:11 +0530

The left-arm spinner’s six-wicket haul helps the defending champion secure a 317-run lead; Odisha in trouble at 126 for five after following on


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Bonding with one's student

By www.thehindu.com
Published On :: Sun, 15 Nov 2015 17:00:07 +0530

Teachers need to master two secrets to be successful in their careers.


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LinkedIn inks MoU with govt to create more jobs for students

By www.thehindu.com
Published On :: Wed, 02 Nov 2016 16:57:06 +0530


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Ek Mulaqat: Saying it with verses

By www.thehindu.com
Published On :: Thu, 23 Jun 2016 16:55:14 +0530

Deepti Naval talks to Chitra Swaminathan about why the play ‘Ek Mulaqat’ is close to her heart.


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  • History & Culture
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In dialogue with the divine

By www.thehindu.com
Published On :: Fri, 12 Aug 2016 21:12:05 +0530

A new book by photographer and author Tarun Chopra tells us how temples play a crucial role in social and cultural life


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Water without boundaries

By www.thehindu.com
Published On :: Thu, 27 Oct 2016 12:18:08 +0530

It was his trait of mercy that prompted Ramanuja to help the people of Tondanur. Suganthy Krishnamachari writes


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A comparative study on the thermal runaway process mechanism of a pouch cell based on Li-rich layered oxide cathodes with different activation degrees

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35074-35080
DOI: 10.1039/D4RA06355D, Paper
Open Access
Wei Quan, Jinghao Liu, Jinhong Luo, Hangfan Dong, Zhimin Ren, Guohua Li, Xiaopeng Qi, Zilong Su, Jiantao Wang
Li-rich layered oxide (LLO) is regarded as one of the most promising candidates for the next-generation batteries.
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Macroporous chitosan/alginate hydrogels crosslinked with genipin accumulate and retain glioblastoma cancer cells

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35286-35304
DOI: 10.1039/D4RA06197G, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Lauriane Parès, Sahar Naasri, Lisa Delattre, Hélène Therriault, Benoît Liberelle, Gregory De Crescenzo, Marc-Antoine Lauzon, Nathalie Faucheux, Benoit Paquette, Nick Virgilio
This work demonstrates how macroporous hydrogels can be prepared with porous polylactide molds, and homogeneous solutions of sodium alginate and chitosan crosslinked with genipin, in order to accumulate glioblastoma cancer cells.
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Superior low temperature activity over α-MnO2/β-MnOOH catalyst for selective catalytic reduction of NOx with ammonia

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35498-35504
DOI: 10.1039/D4RA05934D, Paper
Open Access
Masanori Takemoto, Haruko Fujinuma, Yoshihiro Sugawara, Yukichi Sasaki, Kenta Iyoki, Tatsuya Okubo, Kazuya Yamaguchi, Toru Wakihara
α-MnO2/β-MnOOH catalysts were synthesized by post-synthetic planetary ball milling for OMS-2, enhancing catalytic activity in low-temperature NH3-SCR.
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Ag@Mg12@Ag20: a three-layer matryoshka structure with S6 symmetry

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35553-35558
DOI: 10.1039/D4RA07046A, Paper
Open Access
Peng-Bo Liu, Jing-Jing Guo, Yi-Sha Chen, Hui-Yan Zhao, Jing Wang, Ying Liu
A novel three-layer matryoshka structure with S6 symmetry is proposed, amid the evolving landscape of carbon-based derivatives and high-symmetry architectures.
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Reaction of unsymmetrical α-bromo-1,3-diketones with N-substituted thioureas: regioselective access to 2-(N-arylamino)-5-acyl-4-methylthiazoles and/or rearranged 2-(N-acylimino)-3-N-aryl-4-methylthiazoles

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35585-35600
DOI: 10.1039/D4RA05436A, Paper
Open Access
Ranjana Aggarwal, Shilpa Sharma, Naman Jain, Dionisia Sanz, Rosa M. Claramunt, Patricia Delgado, M. Carmen Torralba
Hantzsch's [3 + 2] cyclic condensation of α-bromo-1,3-diketones with N-substituted thioureas.
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High-performance, high energy density symmetric supercapacitors based on δ-MnO2 nanoflower electrodes incorporated with an ion-conducting polymer

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35657-35670
DOI: 10.1039/D4RA05670A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Shrishti Sharma, Gurpreet Kaur, Bhargab Sharma, Buddu Nagasiva Saiteja, Anshuman Dalvi
The present work investigates liquid-based and liquid-free supercapacitors assembled using δ-MnO2-nanoflower-based electrodes.
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Synthesis of supramolecular polymers with calix[4]arene and β-cyclodextrin and their application in heavy metal ion absorption

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35697-35703
DOI: 10.1039/D4RA05559D, Paper
Open Access
Jian-Jian Bian, Shi-Jin Tang, Jiao Miao, Rui Lin, Guo-Li Huang, Ming-Yu Teng, Xiao-Mei Li
Two categories of supramolecular polymer monomers were produced by introducing the ureidopyrimidone quadruple-hydrogen bonding assemblies on the calix[4]arene and the β-cyclodextrin host units, which adsorbed up to 99% of Pb2+ and Cd2+.
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Synthesis and in vitro assessment of gold nanoparticles conjugated with extracts, sterols and pure compounds derived from marine sponges from the Indian and Pacific Oceans

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,36115-36131
DOI: 10.1039/D4RA04068F, Paper
Open Access
Avin Ramanjooloo, Devesh Bekah, Samson A. Adeyemi, Philemon Ubanako, Lindokuhle Ngema, Yahya E. Choonara, David E. Williams, Elena A. Polishchuk, Raymond J. Andersen, Archana Bhaw-Luximon
The synthesis of gold nanoparticles using extracts, sterols and pure compounds from marine sponges.
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Upconversion nanoparticles incorporated with three-dimensional graphene composites for electrochemical sensing of baicalin from natural plants

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,36084-36092
DOI: 10.1039/D4RA06540A, Paper
Open Access
Na Zhang, Yilin Wu, Tian Liang, Yongxiang Su, Xusheng Xie, Tianren Zhang, Hongyan Wang, Keying Zhang, Rongli Jiang
The fabrication of UCNP-3DG and its application in electrochemical detection of Bn in natural plant samples.
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Developing Ni0.5Zn0.5Fe2O4 ferrite with controlled particle size and morphology through optimized processing conditions of low energy solid state reaction

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,36264-36272
DOI: 10.1039/D4RA07076C, Paper
Open Access
Sarah Baayyad, Fatima-Zahra Semlali, El Kébir Hlil, Tarik Mahfoud, Hassan El Moussaoui, Mounir El Achaby
Soft magnetic materials, like Ni0.5Zn0.5Fe2O4, require high temperatures and regulated environments for their manufacture and processing, which can be highly energy intensive.
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Cs2ZnCl4: a lead-free all-inorganic perovskite with a large dielectric permittivity

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,36253-36263
DOI: 10.1039/D4RA04755A, Paper
Open Access
Imen Romdhane, Asma Ajmi, Mohamed Ben Bechir, Regis Barille, Abdallah Ben Rhaiem
In recent years, inorganic perovskite materials based on metallic halides have attracted significant attention due to their non-toxicity and ease of synthesis, making them suitable for various applications.
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Physicochemical properties and mechanism of action of a new copper(II) pyrazine-based complex with high anticancer activity and selectivity towards cancer cells

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,36295-36307
DOI: 10.1039/D4RA06874B, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
B. Rogalewicz, T. Sierański, M. Szczesio, A. Olczak, K. Gobis, C. Orlewska, I. Korona-Głowniak, A. Korga-Plewko, M. Iwan, M. Michalczuk, J. Kubik, G. Adamczuk, M. Korga, N. Rutkowska, T. Boruta, K. Gas, M. Sawicki, E. Poleszak, W. Maniukiewicz, M. Świątkowski, A. Czylkowska
The presented work underlines the importance of coordination compounds in the development of new anticancer agents that are safer and more efficient.
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BJP finalises road map to contest Maharashtra Assembly polls with Shiv Sena, NCP

By www.thehindu.com
Published On :: Sun, 30 Jun 2024 03:20:00 +0530

The election for the 288-member State Assembly is scheduled for later this year


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With four out of five NEET ‘solver gang’ arrests from the district, no easy answers in Nalanda

By www.thehindu.com
Published On :: Sat, 06 Jul 2024 00:25:54 +0530

According to the police, the ‘solver gang’ is spread across Bihar, Jharkhand, Uttarakhand, Uttar Pradesh, and Gujarat


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600 schools with zero, low enrolment shut in Arunachal Pradesh

By www.thehindu.com
Published On :: Wed, 24 Jul 2024 16:55:43 +0530

The Arunachal Pradesh Government is planning to close more such schools with zero or low enrolment


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Madhya Pradesh Government orders colleges to buy set of 88 books, most of which are written by authors with links to RSS

By www.thehindu.com
Published On :: Wed, 14 Aug 2024 02:01:00 +0530

Colleges have also been asked to set up ‘Bharatiya gyaan parampara’ cells


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Big problems with ISI data reported by science editors

By marstonscience.blogspot.com
Published On :: Wed, 19 Dec 2007 15:21:00 +0000

Got this in an email from one of my lists:

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

This presumably will be drawing some attention shortly. It is a very disturbing report by editors from the Journal of Cell Biology and the Journal of Experimental Medicine who have joined with the Executive Director of the Rockefeller University Press in reporting their inability to verify published impact factors using data provided provided by ISI itself. Their fruitless efforts to replicate published impact factors for their own and other journals revealed numerous and serious errors in several data sets provided by ISI and call into question the validity of both ISI's dataset and their published impact factors. If the problems they encountered are widespread, then the host of evaluative decisions that rely at least in part on published impact factors are suspect. Published impact factors affect authors' decisions about manuscript submission, funding awards, and promotion and tenure. While critiques of the use of impact factors are quite common, this is the first serious question raised about the underlying validity of the data used to calculate impact factors and therefore the accurracy of the metrics that are published.


The editorial by Mike Rossner, Heather Van Epps, and Emma Hill was published in the Journal of Cell Biology and is available at
http://www.jcb.org/cgi/content/full/179/6/1091


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Deepthi Jeevanji wins gold with world record time in 400m T20 class in World Para Championships

By www.thehindu.com
Published On :: Mon, 20 May 2024 10:38:42 +0530

Deepthi smashed American Breanna Clark's earlier world record of 55.12 seconds set during last year's edition of the championships in Paris


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World Para Athletic Championships: Ekta wins gold with season's best effort in club throw

By www.thehindu.com
Published On :: Tue, 21 May 2024 14:33:53 +0530

Reigning Paralympics champion Sumit Antil defended his F64 javelin throw world title while Thangavelu Mariyappan also grabbed gold medal.


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World Para Athletics Championships: Simran wins gold as India ends 6th with best-ever 17 medals 

By www.thehindu.com
Published On :: Sat, 25 May 2024 15:43:45 +0530

Simran Sharma shaved off around one-fifth of a second from her earlier personal best of 25.16 seconds to win the gold.


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Not injured, withdrawal from Golden Spike meet a precautionary move, Neeraj Chopra clarifies

By www.thehindu.com
Published On :: Sun, 26 May 2024 15:24:53 +0530

Neeraj Chopra said he would not want to risk injury in an Olympic year and hence decided to skip the prestigious meet.


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Inter-State athletics | Tejas wins men’s hurdles with a new meet record

By www.thehindu.com
Published On :: Mon, 01 Jul 2024 00:04:16 +0530


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With plenty of swimming stars at the 2024 Olympics, France's Marchand may shine brightest

By www.thehindu.com
Published On :: Tue, 09 Jul 2024 10:17:41 +0530

With big names like Caeleb Dressel, Katie Ledecky, Ariarne Titmus and Emma McKeon, it is expected that local favourite Léon Marchand may shine in the swimming event at Paris Olympics 2024


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So near yet so far: India’s tryst with fourth-place Olympic heartbreaks

By www.thehindu.com
Published On :: Fri, 19 Jul 2024 14:56:42 +0530

Arjun Babuta missed a medal by finishing fourth in the men’s 10m air rifle event at the Paris Olympics. Here is a look at the instances when Indian athletes came close but ended at just that.


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With qualification done, Olympic champion Neeraj Chopra has his task cut out

By www.thehindu.com
Published On :: Tue, 06 Aug 2024 16:11:13 +0530

The other Indian Kishore Jena could not qualify for finals while the only medal hope for Pakistan Arshad Nadeem qualified for finals.


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