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YSRCP social media activist Varra Ravindra Reddy sent to judicial remand

Police form district-level teams to monitor ‘defamatory posts’




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Anantapur enforcement dirve: police register over 3,000 cases against violators of Motor Vehicle Act

In the drive conducted over one week, police register 12 cases against gambling dens, arrest 59 persons and seize more than ₹1.91 lakh cash, says SP P. Jagadeesh




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Compact Riemann surfaces [electronic resource] : an introduction to contemporary mathematics / by Jürgen Jost

Berlin ; Heidelberg : Springer-Verlag Berlin Heidelberg, 2006




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Game theory [electronic resource] : decision, interaction, and evolution / James N. Webb

[London] : Springer, [2007]




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Algebraic graph algorithms [electronic resource] : a practical guide using Python / K. Erciyes.

Cham, Switzerland : Springer, 2021.




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Guarantee scheme detractors disillusioned over Karnataka’s economic growth, says Laxmi Hebbalkar

Karnataka has achieved 10.2% GDP in 2023-24, higher to national average of 8.2%, says Udupi district in-charge minister




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Pilikula zoo gets new attractions in the form of Asiatic Lion, other animals and birds




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Illegal sand extraction: 16 boats seized in Addoor




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Collective action can promote culture of honesty, Maharashtra Upa Lokayukta




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What will be the impact of AI on Engineering education?

Musing on the pros and cons of what the new technological developments may mean for the teaching-learning process in India




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How to bridge the gap between Engineering education and practice

Engineering education needs to go beyond the classroom if the students are to succeed in the real world




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Complaint filed with Lokayukta against DDPI citing inaction against unauthorised schools

Associated Managements of English Medium Schools in Karnataka says photographic evidence of unauthorised buildings and violations of various regulations were provided but permissions were granted




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Shriram Life Insurance H1 net profit contracts to ₹50 cr.




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Ebbs and flows in 'atmospheric rivers' and their impact

So when they swing up, these waves suck warm air from the tropics to Europe, Russia, or the US, and when they swing down, they do the same thing with cold air from the Arctic.




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Jack Reacher- Never Go Back : Less action thriller, more family drama

What starts out as a high-paced exciting action-fuelled film soon unravels to become a family drama.




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‘Macharla Niyojakavargam’ movie review: An extra loud, outdated actioner

This cringey Telugu potboiler starring Nithiin and Krithi Shetty is a test of patience




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‘Custody’ movie review: Venkat Prabhu’s mix of conflict and humour works for this Naga Chaitanya, Arvind Swami actioner

Director Venkat Prabhu’s Telugu-Tamil bilingual ‘Custody’ is not among his best, but has plenty going for it




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Dholera SIR attracting ₹2,000-3,000 crore investment annually in land and plots

Formed in 2016, DICDL is owned 51 per cent by the Gujarat government and 49 per cent by the central government




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Real estate transactions drop 71% in Q3 2024, private equity dominates

Despite the overall fall, the number of deals rose 5% quarter-on-quarter and 54% year-on-year, with a potential revival in Q4. 




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Pune’s home sales value surges 19% in Q3 2024 despite a slight dip in transactions

Based on data from the Inspector General of Registration (IGR), the city’s home sales value jumped 19 per cent year-on-year (YoY), reaching ₹13,865 crore




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Synthesis of C-glycosides enabled by palladium-catalyzed glycosylation reactions

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01619J, Review Article
Wenli Tong, Jie-Ping Wan, Jianchao Liu
This review highlights the recent progress in palladium-catalyzed C-glycosylation reactions for the synthesis of C-glycosides.
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Isomeric diazapyrene–thiophene conjugated systems: synthesis, characterization, and transport properties

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01305K, Research Article
Open Access
Honglei Li, Guodong Zhao, Qingxin Tang, Hongkun Tian, Lixiang Wang
Three key dihalogenated diazapyrene intermediates were synthesized and the corresponding isomeric co-oligomers with bithiophene demonstrated distinct position-dependence in the crystal structures, and optoelectronic and charge transport properties.
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Photocatalytic hydrotrichloromethylation of unactivated alkenes with chloroform

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01496K, Research Article
Dawei Gong, Caiyu Gao, Qixuan Li, Yufei Li, Lina Zhao, Degong Kong
Trichloromethyl compounds are essential constituents in synthetic and medicinal chemistry.
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Visible-light heterogeneous photocatalysis with an ionic porous organic polymer (IPOP): synthesis of β-keto sulfoxides and benzothiophene diesters by tandem radical addition–oxidation reactions

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01382D, Research Article
Ajay Kumar Sahoo, Parag Tamuly, Jarugu Narasimha Moorthy
An IPOP, constructed constructed from cyanuric chloride and the readily accessible 2,5-di(pyridin-4-yl)thiazolo[5,4-d]thiazole (BpyTzTz), is shown to exhibit excellent visible light absorption and serve as a metal-free heterogeneous photocatalyst.
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Intermediate diradical character and thermal cis–trans isomerization of near-infrared absorbing thionated squaraine dyes

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01722F, Research Article
Open Access
Taishi Oka, Takeshi Maeda, Daisuke Sakamaki, Naoya Suzuki, Shigeyuki Yagi, Shintaro Kodama, Hideki Fujiwara
Near-infrared absorbing squaraine dyes incorporating 4-membered thionated oxocarbon and chalcogenopyrylium moieties exhibit intermediate diradical character, which impacts thermal cis–trans isomerization.
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Synergy of prediction rule and total synthesis in solving the stereochemical puzzle of eucalactam B

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01777C, Research Article
Chenqi Wang, Junyang Liu, Tao Ye
The absolute configurations of the fungal-derived reduced polyketide eucalactam B were initially predicted using the “Biochemistry-based rule” and later confirmed through its first successful total synthesis.
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HSAB theory guiding electrophilic substitution reactions of o-carborane

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01546K, Research Article
Yan Wang, Yi-Ge Li, Feijing Chen, Yan-Na Ma, Xuenian Chen
Herein, we systematically compared the reactivity of o-carborane and benzene toward different electrophiles and explained the results with the HSAB principle.
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Mechanistic insight into the dehydrogenation reaction catalyzed by an MLC catalyst with dual ancillary ligand sites

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01767F, Research Article
Gui-Xiang Zhou, Cheng Hou
This study reveals a mechanism in which a ruthenium complex catalyst improves catalytic efficiency and lowers the energy barrier in the dehydrogenation of benzyl alcohol by dynamically switching ligand sites.
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The reactivity of alkenyl boron reagents in catalytic reactions: recent advances and perspectives

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01703J, Review Article
Ya-Li Feng, Bo-Wen Zhang, Youzhi Xu, Shengnan Jin, Daniele Mazzarella, Zhong-Yan Cao
Recent advances focusing on novel reactivity of alkenyl boron reagents in polar or radical pathways within catalytic reactions by employing transition metal catalysis, organocatalysis have been summarized and discussed.
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Impact of boron desymmetrization on supramolecular polymerization of BODIPY dyes

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01848F, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Tobias B. Tischer, Zulema Fernandez, Lorenz Borsdorf, Constantin Daniliuc, Shigehiro Yamaguchi, Soichiro Ogi, Gustavo Fernandez
Supramolecular polymers are often investigated for highly symmetric and planar molecules, such as typically explored BF2-substituted BODIPY dyes . However, it is surprising that the possibility of desymmetrizing the sp3...
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Towards the total synthesis of mandelalide B: construction of the tetrahydrofuran/α-hydroxyl lactone fragment

Org. Chem. Front., 2024, 11,6353-6357
DOI: 10.1039/D4QO01433B, Research Article
Jia-Lei Yan, Jie Yu, Yingying Cheng, Mingze Yang, Zhengshuang Xu, Tao Ye
A stereocontrolled synthesis of the tetrahydrofuran/α-hydroxy lactone fragment of mandelalide B has been accomplished. The synthesis features a Horner-Wadsworth-Emmons fragment assembly strategy and a highly stereospecific iodine-induced cyclization.
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Visible-light excited copper activating unactivated alkyl iodides for radical addition/cyclization to access oxindole derivatives

Org. Chem. Front., 2024, 11,6380-6384
DOI: 10.1039/D4QO01329H, Research Article
Hang Luo, Fangnian Yu, Luqing Lin
The photocopper catalyst facilitates halogen atom transfer to give unactivated alkyl radicals, which is critical for achieving radical cyclization in the absence of an exogenous photocatalyst.
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Phosphine-controlled divergent reactions of MBH-carbonates with azaheptafulvenes: access to o-anilinyl diene and benzazepine derivatives

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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Chiral synthetic unprecedented spiro[indoline-2,3'-thiophen]-3-ones via an organocatalytic asymmetric sulfa-Michael/aldol cascade reaction

Org. Chem. Front., 2024, 11,6426-6436
DOI: 10.1039/D4QO01551G, Research Article
Mao Zhang, Xing-Hai Fei, Gui-Ping Yang, Cheng Lin, Wen-Jie Li, Ming-Liang Rao, Meng Zhou, Chong Zhao, Bin He, Yong-Long Zhao
A cinchona-derived squaramide-catalyzed asymmetric sulfa-Michael/aldol cascade reaction of 2-ylideneoxindoles with 1,4-dithiane-2,5-diol was developed to realize the chiral synthesis of spiro[indoline-2,3'-thiophen]-3-ones.
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Theoretical insights into Pd-catalyzed dual γ-1,1-C(sp3)–H activation of aliphatic carboxylic acids: mechanistic pathways, substituent influence on product selectivity, diastereoselectivity, and additive effects

Org. Chem. Front., 2024, 11,6393-6410
DOI: 10.1039/D4QO01451K, Research Article
Jiaoyang Liu, Li-juan Huang, Zeang Sun, Juan Li
DFT calculations were employed to explore the detailed reaction mechanism and the origins of the experimentally observed product, regio-, and diastereoselectivities in the Pd-catalyzed dual-γ-1,1-C(sp3)–H activation of aliphatic carboxylic acids.
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Nickel-catalysed enantioselective cross-electrophile coupling reaction with the retention of the β-fluorine atom

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

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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Carbonate-assisted selectively deoxygenative cross-coupling reaction between aryl and aliphatic aldehydes: a straightforward route to access α-alkylated aryl ketones

Org. Chem. Front., 2024, 11,6510-6517
DOI: 10.1039/D4QO01517G, Research Article
Yu Sun, Yi Wang, Zhijun Zuo
A novel reductive cross-coupling reaction of two different aldehydes for rapidly assembling α-alkylated aryl ketones has been developed. The inexpensive carbonate served not only as a base but also as an efficient electron donor.
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Sulfenylation of bioactive maleimides, acrylates and cyclohexenones under ambient organophotocatalysis

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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Transition-metal-catalyzed C–Ge coupling reactions

Org. Chem. Front., 2024, 11,6558-6572
DOI: 10.1039/D4QO01637H, Review Article
Jie Ke, Cadmus Du Chen, Li-Qing Ren, Bing Zu, Bin Li, Chuan He
This review covers the development and recent progress in transition-metal-catalyzed C–Ge coupling reactions. The goal is to provide a clear overview of the field, identify current challenges, and inspire further applications in this growing area.
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A two-step Kinugasa/Conia-ene-type sequential reaction for the asymmetric synthesis of 8-methylene-2,6-diazaspiro[3.4]octane-1,5-diones

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01388C, Research Article
Shanyue Li, Qicai Ma, Bohua Wu, Haowen Ma, Wei Zhou, Qian Cai
A two-step Kinugasa/Conia-ene-type sequential reaction is developed. The process provided a simple and efficient access to chiral 8-methylene-2,6-diazaspiro[3.4]octane-1,5-diones.
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DABSO-Mediated Pummerer Reaction Enables One-Pot Synthesis of Pyrroloquinolines for Accessing Marinoquinolines: Mechanistic, Photophysical and Pharmacological Investigations

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01512F, Research Article
Rahimuddin Khan, Dipun Kumar Penthi, Aditi Chatterjee, Chandrakanta Sahoo, Shanti Gopal Patra, Viswanathan Arun Nagaraj, Tabrez Khan
A new one-pot acid- and exogenous oxidant-free synthesis of pyrrolo[2,3-c]quinolines has been developed. The strategy involves chemoselective reduction of the 3-(2-nitrophenyl)-1H-pyrroles (pyrrolnitrin derivatives) and subsequent DABSO-facilitated Pummerer reaction in the...
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Regio- and stereoselective azidation of activated N-allenamides: an entry to α, β, γ and δ-amido-azides

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01802H, Research Article
Dorian Schutz, Maxime Hourtoule, Laurence Miesch
A totally controlled regiodivergent azidation of activated N-allenamides is described, offering a broad range of diverse functionalized amido-azide derivatives.
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Catalyst-free C–H methylation of heteroarenes enabled by electron donor–acceptor complex photoactivation

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01309C, Research Article
Jiayang Wang, Baoer Shao, Haixia Ge, Huiyu Xue, Xiangyuan Ding, Yuqi Li, Peiyao Sheng
A visible-light-induced direct C–H methylation of heterocycles (including quinoxalinones, pyrazinones, quinolinones and coumarins) with methylamines via EDA complex photoactivation was developed.
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A Stereoselective Organocatalyzed C-Glycosylation of Indole: Implications of Acceptor-Catalyst-Donor Interaction

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01873G, Research Article
Lihuang Xie, Wenchao Liu, Zhenbo Guo, Qinbo Jiao, Xiaomin Shen, Tianfei Liu, Chunfa Xu
A stereoselective pyridinium hexafluorophosphate-catalyzed C-glycosylation of indole is presented, featuring the plausible formation of a catalyst-acceptor complex and a crucial H-bond between the indole N-H and the oxygen at C6...
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Iridium-catalyzed asymmetric cascade allylation/lactonization of methyl salicylates: enantioselective construction of chiral benzodioxepinones

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01771D, Research Article
Bendu Pan, Yunru Wu, Yaqi Zhang, Xiaobo He, Long Jiang, Liqin Qiu
An efficient asymmetric cascade allylation/lactonization of methyl salicylates is achieved. The utilization of chiral-bridged biphenyl phosphoramidite ligand resulted in good results for the construction of a wide range of chiral benzodioxepinones.
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Stereocontrolled synthesis of heterocycles from unactivated alkynes by photoredox/nickel dual-catalyzed cyclization

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01627K, Research Article
Bo-Rong Leng, Feng Yang, Jin-Lian Bai, Yu-Wen Huang, Qing-Quan Liu, Ping Wei, De-Cai Wang, Yi-Long Zhu
We report a nickel/photoredox dual catalysis method for synthesizing heterocyclics from unactivated alkynes and aryl iodides, offering a direct, selective, and green alternative to traditional synthesis with potential in medicinal chemistry.
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Mechanism and origins of regioselectivity of selenium-catalyzed allylic amination reactions

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01794C, Research Article
Xiaoxiao Hu, Dengmengfei Xiao, Yu Chen, Yi Lu, Zhihan Zhang, Peiyuan Yu
The mechanism of selenium-catalyzed allylic amination reactions with different ligands has been explored using density functional theory calculations.
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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

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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Pending bills paid to contractors, but situation of BC students remains unchanged: National BC welfare association chief

He demanded Telangana government to immediately release reimbursement and scholarship dues amount to about ₹4,000 crore