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Sulfenylation of bioactive maleimides, acrylates and cyclohexenones under ambient organophotocatalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6503-6509
DOI: 10.1039/D4QO01342E, Research Article
Debanjana Bag, Rajjakfur Rahaman, Anindya S. Manna, Subhasis Pal, Rajesh Nandi, Shobhon Aich, Narendra Nath Ghosh, Dilip K. Maiti
A novel visible light-induced sulfenylation of biologically important maleimides, acrylates and cyclohexenones has been developed using cheap and easily available organophotoredox catalyst Eosin Y with thiols under ambient conditions.
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Copper-catalyzed alkynyldisulfuration of arynes: an efficient access to unsymmetrical disulfides

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01844C, Research Article
Shuai Huang, Yumin Zhang, Yuekai Li, Chen-Ho Tung, Xin Li, Zhenghu Xu
This article investigates a copper-catalyzed alkynyl disulfuration reaction of aryne formed in situ to synthesize o‑alkynyl aryl disulfides. The transformation proceeds through the in situ generation of aryne, followed by...
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Charge Transfer Complex Enabled Mechanochemical Synthesis of Chalcogenoacetylenes via Alkynyl Radicals

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01827C, Research Article
Open Access
Fang Tan, Chang-Zhen Fang, Bing-Sheng Qiu, He Sheng, Yong-Liang Tu, Xiang-Yu Chen
Mechanochemistry has become an appealing strategy to enable numerous organic transformations. While significant advances have been achieved, the radical coupling reaction under mechanochemical conditions is still in its infancy. In...
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Copper(II)-catalyzed synthesis of sulfonyl-functionalized quinone-fused cyclopenta[b]indoles via four-component cascade annulation

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01560F, Research Article
Hong Xu, Jie Liao, Fei Ren, Chuan-Rong Zhou, Xiao-Zhuo Liu, Yao Xiao, Dong-Wei Hang, Fuyu Li, Bei Wang, Ji-Yu Wang
Through crucial selective radical tandem process and intramolecular nucleophilic addition, a facile copper-catalyzed four-component cascade has been realized to selectively construct novel sulfonyl-functionalized quinone-fused cyclopenta[b]indole.
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Magic effect of diphenylprolinol silyl ether for the enantioselective allenation of 2-alkynals

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00984C, Research Article
Guolin Wu, Zhen Liu, Shiwen Fan, Wenyao Li, Xue Zhang, Hui Qian, Shengming Ma
Chiral diphenylprolinol silyl ethers have been successfully identified for the enantioselective allenation reaction of terminal alkynes and 2-alkynals, delivering a diverse set of chiral allenynes with high efficiency.
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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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PIFA-Mediated cyclization of methyl(2-(1-phenylvinyl)phenyl)sulfane for the concise, flexible, and scalable de novo synthesis of C3-arylated benzo[b]thiophenes

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01589D, Research Article
Xinya Liu, Olivier Provot, Christine Tran, Jean-Francois Soule, Abdallah Hamze
The well-decorated arylated benzo[b]thiophene scaffold is a pivotal structural motif with diverse applications in medicinal chemistry. This paper outlines a de novo synthesis of C3-arylated benzo[b]thiophenes, showcasing its flexibility and...
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Rhodium-catalyzed synthesis of N-substituted 3-acylpyrroles from enaminones and vinylene carbonate

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2025, Accepted Manuscript
DOI: 10.1039/D4QO01816H, Research Article
Sheng-Jiao Yan, Jian-Bo Ma, Yi-Mai Yin, Xing-Mei Hu, Bi-Na Shao, Kun Huang, Qing-Sheng Zhao
Skeletal editing is a highly efficient strategy for modifying the core scaffolds of drug molecules, with multi-atomic editing as an emergent approach. Herein, we present a protocol for constructing N-substituted...
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Mechanistic insights into rhodium-catalyzed C−H activation and annulation using vinyl acetate to access cinnolines and cinnolin-4(1H)-ones

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2025, Accepted Manuscript
DOI: 10.1039/D4QO01734J, Research Article
Yuqin Wang, Yiling Zeng, Ya-Nan Tian, Zheng Liu, Jinhua Wang, Shuyou Chen, Shiqing Li
Transition metal-catalyzed C−H activation and annulation involving vinyl acetate remains a significant challenge, and the mechanistic process following vinyl insertion is ambiguous. Herein, we report the Rh(III)-catalyzed two-fold C−H activation...
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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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BCCI vs PCB spar on CT venue as Mohsin Naqvi denies receiving any official note from Indian board

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 20:37:11 +0530

The Hybrid Model was followed during 2023 Asia Cup where Pakistan played its matches at home but India played its matches in Sri Lanka.


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‘Anyone can crack civil services exam’

By www.thehindu.com
Published On :: Sun, 17 Apr 2016 17:00:01 +0530

“I prefer the term ‘civil servant’ to the term ‘bureaucrat’ because it clearly spells out that the ‘master’ is the common man.’’


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When Germany’s Humboldt Forum museum turned into a venue for East-West musical experiment

By www.thehindu.com
Published On :: Wed, 21 Jun 2023 15:43:08 +0530

Veena exponent Jayanthi Kumaresh recalls how she and violinist Kala Ramnath, along with European musicians, explored the beauty of Baroque music


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Design, synthesis, biological evaluation, and in silico studies of novel N-substituted-2-(3,4,5-trimethoxyphenyl)-1H-benzo[d]imidazole-6-carboxamides as promising anticancer agents

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35323-35335
DOI: 10.1039/D4RA04492D, Paper
Open Access
Navid Dastyafteh, Manica Negahdaripour, Mohammad Hosein Sayahi, Mina Emami, Younes Ghasemi, Elham Safaei, Homa Azizian, Zahra Pakrouh Jahromi, Mehdi Asadi, Mohammad Reza Mohajeri-Tehrani, Fateme Zare, Minoo Shahidi, Zahra Pooraskari, Sayed Mahmoud Sajjadi-Jazi, Bagher Larijani, Mohammad Mahdavi, Sara Ranjbar
Synthesis and cytotoxicity evaluation of novel benzimidazoles were explained. The most potent derivative was subjected to cell cycle, apoptosis, and in silico investigations. Compound 5o proved to be a promising anticancer agent.
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Phenylsulfonate as a photolabile group for intramolecular carbon–carbon cross-coupling reactions

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35227-35231
DOI: 10.1039/D4RA06592A, Paper
Open Access
Simon Plaize, Jean-François Morin
This study reports the use of phenylsulfonates as photolabile groups to generate aryl radicals, which undergo radical cyclization to yield triphenylene derivatives. The reaction is efficiently carried out under 365 nm with a triplet sensitizer.
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Synthesis and antiproliferative activity of 2-oxo-3-phenylquinoxaline derivatives and related compounds against colon cancer

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35679-35695
DOI: 10.1039/D4RA06822J, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
M. S. Gomaa, Abdulghany H. A. Ahmed, S. M. El Rayes, Ibrahim A. I. Ali, Walid Fathalla, Mansour S. Alturki, Abdulaziz Hassan Al Khzem, Atiah H. Almalki, Mohammed F. Aldawsari, F. H. Pottoo, Firdos A. Khan, Mohd Amir
The impact of compound 7j on colon cancer cells (HCT-116). Fig. (A) shows the control cells Fig. (B) shows the treatment cells. The arrows show chromatin condensation, nuclear augmentation, and formation of apoptotic bodies.
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Synthesis and characterization of carbonyl functionalized organotellurium(IV) derivatives

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35650-35656
DOI: 10.1039/D4RA06023G, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Puspendra Singh, Mariya Khan, Andrew Duthie, Ray J. Butcher
Aryltellurium trichlorides, ArTeCl3 (Ar = C6H5, Ph; 4-Me-C6H4, p-Tol; 1-C10H7, 1-Nap; 2,4,6-Me3C6H2, Mes) react under mild conditions with acetylacetone/benzoylacetone to give carbonyl functionalized organotellurium(IV) derivatives.
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Third Indian Grand Prix track and field: Another chance for many stars to stake their claim for Paris Olympics

By www.thehindu.com
Published On :: Tue, 11 Jun 2024 21:29:55 +0530

There are no eye-popping names in the fray, perhaps because the National inter-state championship is scheduled in close proximity (June 27-30 in Panchkula, Haryana).


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Manu under dope cloud, Paris chances hit; AFI disappointed; coach Naik too under scrutiny

By www.thehindu.com
Published On :: Fri, 28 Jun 2024 20:29:39 +0530


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Left Half and Right Half Layout – Many Different Ways

By css-tricks.com
Published On :: Fri, 25 Oct 2024 11:51:02 +0000

Imagine a scenario where you need to split a layout in half. Basically two equal height columns are needed inside of a container. Each side takes up exactly half of the container. Like many things in CSS, there are a number of ways to go about this.

Left Half and Right Half Layout – Many Different Ways originally published on CSS-Tricks, which is part of the DigitalOcean family. You should get the newsletter.


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Israel's Netanyahu adds rival to Cabinet, strengthens hold on office

By www.thehindubusinessline.com
Published On :: Mon, 30 Sep 2024 10:02:19 +0530

Gideon Saar had left Netanyahu's Likud party four years ago after accusing the prime minister of turning it into a "cult of personality"


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Drone strike launched toward Israeli PM Benjamin Netanyahu’s house

By www.thehindubusinessline.com
Published On :: Sat, 19 Oct 2024 13:38:37 +0530

Neither Israel’s Prime Minister Benjamin Netanyahu nor his wife were home and there were no casualties, says spokesperson


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India-Germany sign multiple MoUs on green hydrogen, technology & trade

By www.thehindubusinessline.com
Published On :: Fri, 25 Oct 2024 21:15:46 +0530

Prime Minister Narendra Modi meeting with German Chancellor Olaf Scholz follows signing of multiple treaties, agreements on Mutual Legal Assistance Treaty in Criminal Matters and Indo-German Green Hydrogen Road Map


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Netanyahu’s office is accused of leaks to thwart Gaza cease-fire

By www.thehindubusinessline.com
Published On :: Mon, 04 Nov 2024 10:30:43 +0530

Many in Israel’s security establishment dismissed the demand and accused Netanyahu of avoiding a deal to keep the war going


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Many supporters of Khalistan in Canada, but they do not represent Sikh Community: PM Trudeau

By www.thehindubusinessline.com
Published On :: Sat, 09 Nov 2024 15:47:31 +0530

His comments came during Diwali celebrations at Ottawa’s Parliament Hill recently amid an ongoing diplomatic row with India over the killing of Khalistan extremist Hardeep Singh Nijjar


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The Many, Confusing File System APIs

By cloudfour.com
Published On :: Tue, 02 Apr 2024 15:30:00 +0000

There are many APIs that interact with the file system, and figuring out what they all do can be deeply frustrating. Don’t give up! I’m here to help.


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Vinicius, Mbappe on target as Madrid crush plucky Espanyol

By www.thehindu.com
Published On :: Mon, 23 Sep 2024 02:05:34 +0530

The comprehensive victory was Madrid's 38th consecutive La Liga game without defeat, their last loss in the competition coming just under a year ago, against Atletico Madrid in September 2023


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France defeats Belgium, Germany beats Netherlands in Nations League

By www.thehindu.com
Published On :: Tue, 15 Oct 2024 10:57:11 +0530

On his debut for Germany, Jamie Leweling scored in the side’s 1-0 win over the Netherlands; Kolo Muani nets a brace for France in the absence of Kylian Mbappe


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Olmo fires Barca past Espanyol as Simeone's son strikes for Atletico

By www.thehindu.com
Published On :: Mon, 04 Nov 2024 03:47:00 +0530

Barcelona have started life under Flick in sensational form and after beating Bayern Munich and Real Madrid last week, earned their 10th win in 11 La Liga matches.


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A ‘symphony’ of young Chinese aspirations behind gold’s rise to record

By www.thehindubusinessline.com
Published On :: Sun, 24 Mar 2024 22:00:00 +0530

China gold reserves went up for 16 months in a row till Feb 2024; its central bank bought the precious metal covertly


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  • Gold & Silver
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An octanuclear 3-phenyl-5-(2-pyridyl)pyrazolate/phenylsilsesquioxane complex: synthesis, unique structure, and catalytic activity

By pubs.rsc.org
Published On ::

Dalton Trans., 2024, Accepted Manuscript
DOI: 10.1039/D4DT02690J, Communication
Alexey Bilyachenko, Victor N Khrustalev, Zhibin Huang, Lidia S. Shul'pina, Pavel Dorovatovskii, Elena Shubina, Nikolay S. Ikonnikov, Nikolai N. Lobanov, Karim G. Rahimov, Di Sun
First metallasilsesquioxane bearing pyrazolylpyridine ligands, Cu8-based complex 1, adopts cage structure with two zigzag-like copper tetramers sandwiched by two cyclic Si5 silsesquioxane ligands. Four 3-phenyl-5-(2-pyridyl)pyrazolate ligands in 1 exhibit dual...
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Achieving isopropenyl-enriched polyisoprene: unraveling the role of bidentate vs. tridentate iron precatalysts through ligand framework design

By pubs.rsc.org
Published On ::

Dalton Trans., 2024, Advance Article
DOI: 10.1039/D4DT02659D, Paper
Sunny Sohail, Yanping Ma, Qaiser Mahmood, Zexu Hu, Yizhou Wang, Tongling Liang, Wen-Hua Sun
The coordination sphere and steric variations in iron catalysts present a fascinating strategy for adjusting monomer regio- and stereoselective enchainment, leading to the development of novel polymer structures in isoprene polymerization.
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Heteroleptic mononuclear Cu(I) halide complexes containing carbazolyl substituted phenyl diphosphine and monophosphine: structures and photophysical and electroluminescent properties

By pubs.rsc.org
Published On ::

Dalton Trans., 2024, Advance Article
DOI: 10.1039/D4DT02469A, Paper
Zhun Chen, Wei Xu, Ruiqin Zhu, Li Liu, Xin-Xin Zhong, Fa-Bao Li, Guijiang Zhou, Hai-Mei Qin
Heteroleptic mononuclear Cu(I) halide complex 4 containing carbazolyl groups in diphosphine and monophosphine shows high PLQY (0.75) and a short decay lifetime (1.9 μs) with a high kr value of 3.95 × 105 s−1.
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The preparation of CuM/SiO2 (M=Bi, Mg, Mn) catalysts applied in ethynylation of formaldehyde for 1,4‑butynediol synthesis: the positive interface effect of CuO and Bi2O3

By pubs.rsc.org
Published On ::

Dalton Trans., 2024, Accepted Manuscript
DOI: 10.1039/D4DT02616K, Paper
Jiali Chen, Guihua Yang, Feng Gao, Rui Wang
The ethynylation of formaldehyde reaction catalyzed by Cu-based catalysts is an important synthesis method for 1,4-butynediol relating to high value-added chemicals. In this work, a series of CuM/SiO2 ( M=Bi,...
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Multi-functional biotinylated platinum(IV)–SAHA conjugate for tumor-targeted chemotherapy

By pubs.rsc.org
Published On ::

Dalton Trans., 2024, 53,17829-17840
DOI: 10.1039/D4DT01571A, Paper
Ajay Gupta, Pijus K. Sasmal
Herein, we have developed a hydrolytically stable biotinylated Pt(IV) complex conjugated with a histone deacetylase inhibitor (SAHA) as a multi-functional tumour targeted chemotherapeutic agent.
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Modular synthesis of triphenylphosphine-derived cage ligands for rhodium-catalyzed hydroformylation applications

By pubs.rsc.org
Published On ::

Dalton Trans., 2024, Advance Article
DOI: 10.1039/D4DT02627F, Paper
Wenlong Wang, Cunyao Li, Wenhao Wang, Yuqin Qiu, Hongguang Liu, Jinlong Lu, Yizhou Zhan, Li Yan, Yunjie Ding
Cage ligands can be easily synthesized via dynamic imine chemistry, and a specific cage ligand exhibits excellent performance in Rh-catalyzed hydroformylation reaction (TOF up to 2665 h−1 and the l/b ratio reaches 2.6).
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Many facets of intolerance

By www.thehindubusinessline.com
Published On :: Fri, 23 Aug 2013 16:42:24 +0530


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Live life to the fullest at any age

By www.thehindu.com
Published On :: Sun, 29 Sep 2024 02:32:00 +0530

Birthdays are not just a celebration of the years gone by, but a reminder to live fully, no matter what age one is


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Solution-focused brief therapy with clients managing trauma [electronic resource] / Adam Froerer, Jacqui von Cziffra-Bergs, Johnny Kim, Elliott Connie.

By darius.uleth.ca
Published On ::

New York, NY : Oxford University Press , 2018.


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Anything for that 10 seconds

By www.thehindubusinessline.com
Published On :: Mon, 20 Jan 2014 12:40:52 +0530


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  • T E Raja Simhan
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Morning Digest: NSCN-IM threatens armed violence for first time since 2015 agreement; Article 370 cannot be restored by anyone, says PM Modi, and more

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 06:24:33 +0530

Here is a select list of stories to start the day


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Czech legend Jan Zelezny comes on board as Neeraj Chopra’s coach ahead of 2025 season

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 15:30:01 +0530

Jan Zelezny, 58, is widely considered the greatest javelin thrower of the modern era and is a world and Olympic champion. He also holds the record in the event.


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HAL appoints Barenya Senapati as Director Finance

By www.thehindu.com
Published On :: Fri, 25 Oct 2024 09:19:34 +0530

Barenya Senapati joined HAL in 1995 and has experience of 29 years in varied roles at Divisional level and at Corporate Finance. 


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Should you shy away from penny stocks?

By www.thehindubusinessline.com
Published On :: Sun, 11 Mar 2018 20:35:06 +0530

Only investors with an outsized risk appetite should try their hand at this segment


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Any win is good: Pandit

By www.thehindu.com
Published On :: Sun, 07 Feb 2016 02:19:33 +0530


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Quietly confident of our chances: Duminy

By www.thehindu.com
Published On :: Sat, 12 Mar 2016 03:50:45 +0530

The left-hander feels the Indian pitches would give him ample opportunities to shine


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Frank-Walter Steinmeier to be Germany’s next President

By www.thehindu.com
Published On :: Tue, 15 Nov 2016 00:47:39 +0530


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Sanjeev Sanyal accepted Chancellorship of Gokhale Institute of Politics and Economics

By www.thehindubusinessline.com
Published On :: Sun, 06 Oct 2024 19:05:40 +0530

He will succeed Bibek Debroy, the Chairman of the Economic Advisory Council to the Prime Minister of India


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Telecom Act will hold good for ‘many, many years’: IT Minister Vaishnaw

By www.thehindu.com
Published On :: Wed, 24 Jan 2024 15:54:24 +0530

Electronics and Information Technology Minister says the thought process that there should be accountability of what is published on social media is taking shape globally; he says provisions which allow government to take over networks are imperative in today’s world; and India will have to triple the amount of digital connectivity especially when introducing new technologies such as 6G


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WATCH | It was easy for me to come out of the palace and be with people like anybody else: Yaduveer Krishnadatta Chamaraja Wadiyar

By www.thehindu.com
Published On :: Sat, 20 Apr 2024 19:35:47 +0530

People look up to us for the principles of leadership going forward. The bond we share with people is because of good work and not due to the royal background, says Yaduveer Krishnadatta Chamaraja Wadiyar, the BJP candidate, Mysuru Lok Sabha constituency


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  • Lok Sabha Elections