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Trump îl nominalizează pe veteranul și prezentatorul Fox News, Pete Hegseth, pentru funcția de secretar al apărării

Președintele ales Donald Trump a surprins observatorii politici marți seară prin nominalizarea prezentatorului Fox News, Pete Hegseth, pentru funcția de secretar al apărării. „Pete și-a petrecut întreaga viață ca un războinic pentru trupele noastre și pentru țară,” a declarat Trump într-un comunicat. „Pete este dur, inteligent și un adevărat susținător al politicii America First. Cu ...

The post Trump îl nominalizează pe veteranul și prezentatorul Fox News, Pete Hegseth, pentru funcția de secretar al apărării appeared first on Forbes Romania.




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A Mn(III)-catalyzed arylboronic acid-based cascade reaction via a nonclassical organometallic-radical mechanism

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00244J, Research Article
Hui-Min Qian, Jian-Dong Zhang, Shun-Jun Ji, Xiao-Ping Xu
An efficient Mn(III)-catalyzed cascade reaction of arylboronic acids, o-cyanoaryl isocyanides, and indoles was developed. The mechanism was fully investigated and elucidated.
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Practical photocatalytic hydroalkylation of alkenes with chloroacetates mediated by the formate ion

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00228H, Research Article
Ekaterina V. Malakhova, Vladislav S. Kostromitin, Vitalij V. Levin, Alexander D. Dilman
Commodity chemicals are used as alkylating and reducing agents for radical addition to alkenes. The method is based on activation of the strong C–Cl bond by the radical anion of carbon dioxide.
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Recent advances in the metal-catalyzed asymmetric alkene hydrogenation of cyclic conjugated carbonyl compounds

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00227J, Review Article
Min Tan, Bram B. C. Peters, Pher G. Andersson, Taigang Zhou
This review summarizes the recent advances (2016–2023) in the stereoselective metal-catalyzed hydrogenation of cyclic α,β-unsaturated ketones, lactams and lactones since considerable developments were made. Where possible the application of these methodologies in synthesis is outlined.
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Nickel metallaphotoredox-catalyzed C–O bond activation/Csp2–Csp3 coupling enabled by phosphine

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00310A, Research Article
Jiaxi Fang, Ziheng Jian, Huan Liu, Yuting Wang, Xianbo Yu, Zehuai Mou, Huifei Wang
A novel and general nickel/photoredox dual catalysis platform for benzyl alcohol C–O bond activation/Csp2–Csp3 cross coupling of benzothiazolyl bromide and free alcohol, enabled by the catalytic generation of an alkyl radical, is reported.
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Metal-Free Cascade O-H Double Insertion Between I(III)/S(VI)-Ylides, Carboxylic Acids, and Alcohols: Modular Access to Unsymmetrical α,α-O,O-Substituted Ketones

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO00453A, Research Article
Shang-Shi Zhang, Jiaohang Wei, Wen-Xuan Zou, Qiong Hu, Mei-Zhu Bao, Dan-Ting Shen, Lin Xiao, Jia-Lin Song, Xiang Liu
The synthesis of unsymmetrical α,α-O,O-substituted ketones via O-H double insertion is appealing but remains constrained due to the lack of compatible coupling partners or uncontrollable selectivity. Herein, we present a...
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Stereoselective skeletal modification of tryptanthrins to install chiral piperidine-2-ones enabled by Brønsted acid catalysis

Org. Chem. Front., 2024, 11,2171-2177
DOI: 10.1039/D3QO02029K, Research Article
Rong Zeng, Xiang Zhang, Yuan-Yuan Lei, Zhuo-Zhuo Zhang, Min Jiang, Qing-Zhu Li, Jun-Long Li, Bo Han
An asymmetric formal [4 + 2] cyclisation between azlactones and aza-dienes derived from simple tryptanthrins has been developed. With this established protocol, yielding a series of novel piperidine-2-one-fused tryptanthrins with up to >99 : 1 er under mild conditions.
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Advancement in the C–H bond alkylation of (hetero)arenes catalyzed by the most abundant transition metal–iron

Org. Chem. Front., 2024, 11,2397-2417
DOI: 10.1039/D4QO00063C, Review Article
Chandini Pradhan, Benudhar Punji
Advancement in the direct C–H bond alkylation of arenes and heteroarenes using the catalysts based on the most abundant transition metal, iron, is summarized.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Metal-free photoinduced denitrogenative alkylation of vinyl azides with alkyl radicals toward ketones

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00280F, Research Article
Hui Yin, Siqi Jian, Xiujuan Feng, Ming Bao, Xuan Zhang
A metal-free method for the synthesis of ketones via a visible-light induced denitrogenative alkylation of vinyl azides with alkyl radicals is presented.
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Base- and metal-free visible-light driven site-selective α-C(sp3)–H functionalization reaction of glycine derivatives with hydroxamic acid derivatives

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00425F, Research Article
Shiyun He, Hongying Fan, Xue Zhang, Meiling Ye, Jian Chen, Jinyu Hou, Tianle Huang, Li Guo, Guanghui Lv, Yong Wu
A visible-light-mediated radical–radical cross-coupling reaction between hydroxamic acid and N-phenyl glycine derivatives under base and metal free conditions is reported. A series of unnatural amino acids and peptides were obtained in good to excellent yields with good chemo-selectivity.
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A self-adsorption molecule passivated interface enables efficient and stable lithium metal batteries

Energy Environ. Sci., 2024, Advance Article
DOI: 10.1039/D4EE02903H, Paper
Gongxun Lu, Xinru Wu, Miaofei Huang, Mengtian Zhang, Zhihong Piao, Xiongwei Zhong, Chuang Li, Yanze Song, Chengshuai Chang, Kuang Yu, Guangmin Zhou
Self-adsorbing molecules stabilize electrode interfaces and inhibit solvent decomposition to ensure high-voltage stability of lithium metal batteries.
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CPI(M) Kerala secretary M.V. Govindan backs E.P. Jayarajan amid autobiography controversy

Govindan says CPI(M) does not require members to seek prior permission to write a book, though he emphasised that consultation with the party should occur before publication




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Principal Secretary to PM highlights mitigating risks associated with glacial lakes to ensure safer future




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Soft-oxometalates (SOMs): crafting the pillars of a sustainable future

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D3TA07580J, Review Article
Nidhi Kumari, Soumyajit Roy
Soft-oxometalates as a tool of chemical science for designing sustainable solutions.
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A review of noble metal-free high entropy alloys for water splitting applications

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00690A, Review Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Hamzah Kamaruddin, Zhang Jianghong, Liang Yu, Wei Yuefan, Huang Yizhong
Nano-sized high entropy alloy (HEA) catalysts have attracted much attention as extraordinary electrocatalysts in water-splitting applications, i.e., the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER).
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From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00711E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Madasamy Thangamuthu, Emerson C. Kohlrausch, Ming Li, Alistair Speidel, Adam T. Clare, Richard Plummer, Paul Geary, James W. Murray, Andrei N. Khlobystov, Jesum Alves Fernandes
Atomically deposited Pt and Co on nano-grooves result in active and stable electrocatalysts for hydrogen evolution and oxygen evolution reactions.
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A sacrificial separator facilitating in situ creation of a durable CEI layer and tailoring lithium dendrites for practical lithium metal batteries

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA01234H, Paper
Sung Joon Park, Yun Jeong Choi, Jaemun Cheon, Hyungjun Kim, Jong-Won Lee, Taeeun Yim, Ki Jae Kim
The TBB–PE separator can form a robust and uniform boron-rich CEI (cathode electrolyte interphase) layer on the cathode surface via electrochemical oxidation as well as inhibit the growth of lithium dendrites by anion anchoring.
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Electric field distribution regulation of zinc anode toward long cycle life zinc metal battery

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA00629A, Paper
Xintao Long, Yizhou Liu, Dongxin Wang, Yihang Nie, Xiaoyong Lai, Dan Luo, Xin Wang
Zinc ion batteries are expected to be the next generation of rechargeable aqueous metal ion batteries, but their application is limited by its severe dendrite growth caused by inhomogeneous plating...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Structure–property–performance relationship of vanadium- and manganese-based metal–organic frameworks and their derivatives for energy storage and conversion applications

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00736K, Review Article
Reza Abazari, Soheila Sanati, Ashok Kumar Nanjundan, Qiyou Wang, Deepak P. Dubal, Min Liu
The current review discusses on vanadium- and manganese-based metal–organic frameworks and their derivatives for energy storage and conversion applications along with the potential future advancements in these fields.
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Metal–support interaction triggered d–p orbital hybridization for efficient electrocatalytic semi-hydrogenation of alkynes

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA01240B, Paper
Qiong Wan, Jiaxun Zhang, Xuan Liu, Huizhi Li, Abdullah, Taotao Ren, Qiyuan Liu, Yongheng Xu, Jia Liu, Jicheng Liu, Bingqing Yao, Yiyun Fang, Xinzhe Li, Chi He
Atomic restructuring in Pd/Fe2O3 catalysts weakens Pd binding to chemisorbed 4-aminophenylacetylene and hydrogen intermediates, boosting conversion and selectivity in 4-aminophenylacetylene semi-hydrogenation, surpassing Pd/C and other catalysts.
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Reduction on Specific Lattice Planes for Metal-organic Frameworks/Poly-pyrrole Composites with Dilated Porosity

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA00766B, Paper
Wenxiu He, Xu Zhai, Zhipeng Qiao, Huan Chen, Weiliang Tian, Yu Fu, Junyi Chen
Owing to the microporosity, metal-organic frameworks (MOFs) have attracted great attention in various applications, whereas their potential in mass transfer and diffusion of larger molecules have been limited. To break...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Achieving giant energy density/efficiency in light-metal-element-rich relaxor ferroelectric ceramic by annihilating the volatile Schottky defects

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA00867G, Paper
Kunjie Lou, Yizheng Bao, Jun Chai, Jiyue Wu, Yanshuang Hao, Shaozheng Zhang, Genshui Wang
With the rapid growth of energy storage capacitors in advanced power systems, the pursuit of lightweight is gradually important despite the urgent need for device miniaturization. To reduce the weight...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Cationic Radical Metal–Organic Framework Enabling Low Water Evaporation Enthalpy and High Photothermal Conversion Efficiency for Solar-Driven Water Purification

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA01126K, Paper
Zi-Yu Wang, Rui Wang, Hannah M Johnson, Lei Cai, An-An Zhang, Qiang Zhang, Tianfu Liu
Solar vapor generation is a promising and sustainable strategy to purify seawater and contaminated water sources. Yet, efficient integration between solar capture and desalination remains a critical challenge. In this...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Modulation of active metal species in MOF-derived catalysts for Efficient NO reduction by CO

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA01075B, Paper
Ning-Rui Zhou, Zhen Yang, Ying Tang, Ming-Qi Zhang, Yun-Peng Zha, Min-Min Liu, Feng Yu, Jiang Liu
Transition metal oxides are usually used as one of the most excellent catalysts for NO selective catalytic reduction by CO (CO-SCR), but their catalytic activity is limited by the content...
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A full metal-free flexible ammonium-ion battery with biodegradable hydrogel electrolyte

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00249K, Paper
Abhishek Paudel, Ajalynn N. Crum, Ying Wang
In this work, a full flexible metal-free battery is developed using a QSS hydrogel electrolyte sandwiched between a PANI anode and PPy cathode enabling the battery to operate and maintain its performance while bent or twisted.
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A high-current initiated formation strategy for improved cycling stability of anode-free lithium metal batteries

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA01043D, Paper
Kangning Cai, Mengtian Zhang, Geng Zhong, Guohuang Kang, Jie Biao, Chuang Li, Yanru Liu, Guangmin Zhou, Feiyu Kang, Yidan Cao
Anode-free lithium metal batteries (AFLMBs) are considered as one of the most promising candidates for next-generation high-energy-density rechargeable lithium batteries. An efficient high-current initiated formation strategy is developed for AFLMBs.
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Tuning the ion conductivity of Zr-based metal organic framework ionogels by linker functionalization

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D3TA06986A, Paper
Open Access
Antonija Ferbezar, Roman Zettl, Katharina Hogrefe, Harald Fitzek, Bernhard Gadermaier, Martin Wilkening, Ilie Hanzu
Solid-state ion conductors have improved significantly in the past decade. Envisioned applications range from metal anode batteries and fuel cells to sensors and medical technologies. The choice of solid electrolytes...
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An electrically conducting 3D coronene-based metal–organic framework

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D3TA07120K, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Marina I. Schönherr, Patricia I. Scheurle, Laura Frey, Marta Martínez-Abadía, Markus Döblinger, Andre Mähringer, Dominik Fehn, Lena Gerhards, Irina Santourian, Alfred Schirmacher, Tatjana Quast, Gunther Wittstock, Thomas Bein, Karsten Meyer, Aurelio Mateo-Alonso, Dana D. Medina
A novel electrically conducting cubic mesoporous metal–organic framework (MOF), consisting of hexahydroxy-cata-hexabenzocoronene (c-HBC) and FeIII ions is presented.
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Cubic-to-hexagonal Structural Phase Transition in Metal Halide Compounds: A DFT Study

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D3TA06604E, Paper
Iván Ornelas-Cruz, Ramiro M. dos Santos, José E. González, Matheus Paes Lima, Juarez L. F. Da Silva
Phase transitions into photo-inactive structural phases have impacted the use of metal halide perovskites as photovoltaic materials. However, the chemical composition has been found to mitigate this issue. This study...
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Constructing vacancy-rich metal phosphates by the spatial effect of ionic oligomers for enhanced OER activity

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA01706D, Paper
Yida Zhao, Xinyu He, Xiaoming Ma, Zhengxi Guo, Menghui Qi, Zhaoming Liu, Ruikang Tang
By rationally selecting ionic oligomers as building blocks, sub-nano-sized gaps can be constructed in the solid structure of catalysts. This can overcome the inherent limitations associated with vacancy formation of the traditional nucleation pathway.
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Machine Learning Enabled Exploration of Multicomponent Metal Oxides for Catalyzing Oxygen Reduction in Alkaline Media

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA01884B, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Xue Jia, Hao Li
Low-cost metal oxides have emerged as promising candidates used as electrocatalysts for oxygen reduction reaction (ORR) due to their remarkable stability under oxidizing conditions, particularly in alkaline media. Recent studies...
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US Deputy Secretary of State Kurt Campbell to attend inaugural US India Indian Ocean Dialogue in Delhi

During his visit, on November 13-14, Campbell will also participate in the Critical and Emerging Technologies (iCET) Intersessional to further expand cooperation between the United States and India on technological innovation and production




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Vegetable prices sky-rocket in October, food inflation at 10.87%, CPI at 6.21 %




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Phase transition induced hydrogen activation for enhanced furfural reductive amination over CoCu bimetallic catalyst

Chem. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4SC05885B, Edge Article
Open Access
Yilin Wei, Zixu Ma, Beibei Liu, Jialin Yang, Dan Wu, Yongsheng Zhang, Yuexing Zhang, Charles Chunbao Xu, Renfeng Nie
The synthesis of primary amines from renewable biomass and its derivatives through reductive amination has garnered significant attention. How to construct efficient non-noble-metal catalysts that enable low-temperature catalysis still remains...
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Stachydrine, a pyrrole alkaloid with promising therapeutic potential against metabolic syndrome and associated organ dysfunction

RSC Med. Chem., 2024, 15,3652-3673
DOI: 10.1039/D4MD00425F, Review Article
Semim Akhtar Ahmed, Prasenjit Manna, Jagat Chandra Borah
Metabolic syndrome is a multifaceted condition marked by interconnected risk factors, significantly increasing the risk of serious diseases like cardiovascular disease, type 2 diabetes, and stroke.
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Fexinidazole optimization: enhancing anti-leishmanial profile, metabolic stability and hERG safety

RSC Med. Chem., 2024, 15,3837-3852
DOI: 10.1039/D4MD00426D, Research Article
Abdrrahman Shemsu Surur, Chin Fung Chan, Frieda-Marie Bartz, Iris L. K. Wong, Van T. D. Nguyen, Lukas Schulig, Andreas Link, Tak Hang Chan, Larry M. C. Chow, Patrick J. Bednarski
Structure-guided optimization of fexinidazole led to analog (S)-51, a promising lead compound with superior activity, improved metabolic stability, and enhanced hERG safety
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Anticancer potential of copper(I) complexes based on isopropyl ester derivatives of bis(pyrazol-1-yl)acetate ligands

RSC Med. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4MD00610K, Research Article
Open Access
Maura Pellei, Carlo Santini, Miriam Caviglia, Jo' Del Gobbo, Chiara Battocchio, Carlo Meneghini, Simone Amatori, Chiara Donati, Eleonora Zampieri, Valentina Gandin, Cristina Marzano
In this paper, the isopropyl ester derivatives LOiPr and L2OiPr of bis(pyrazol-1-yl)acetic acid and bis(3,5-dimethyl-pyrazol-1-yl)acetic acid were used as chelators for the preparation of the new Cu(I) phosphane complexes 1-4....
The content of this RSS Feed (c) The Royal Society of Chemistry




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Vikarabad violence: KTR condemns former BRS MLA’s arrest, says farmers detained were ill-treated by police




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Youth ‘hooked to radical content online’ detained in J&K’s Kulgam

The youth was “misusing social media for radical propaganda aimed at to instigate common people against the Government of India and also glamourising terrorism in J&K”




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Trump taps former Democrat Tulsi Gabbard as US intel chief; Senator Marco Rubio as Secretary of State

Tulsi Gabbard demanded U.S. military withdrawal from Iraq and Syria during her 2020 Presidential run; Marco Rubio would be the first Hispanic as the top U.S. diplomat




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Lanthanum-doped nickel-based composite metal oxide catalyst for hydrogenation of isophthalonitrile to produce meta-xylenediamine

Catal. Sci. Technol., 2024, Advance Article
DOI: 10.1039/D4CY00802B, Paper
Heng Shao, Jing Guo, Rulong Li, Dekun Ji, Long Huang, Haibin Chu
Lanthanum-doped nickel-based composite metal oxide catalysts exhibited excellent activity in IPN hydrogenation reactions with remarkable stability in fixed-bed reactors.
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Equity markets slump as retail inflation soars, foreign fund outflows continue




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Editorial. October retail inflation print raises concerns

Supply chain efficiencies are a must to offset price increase due to rising input costs and the inevitable increases in support prices




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Mid-day updates: Markets deepen losses as metals, auto stocks drag; Sensex down nearly 500 points 

The broader market reflected selling pressure, particularly in metal and automotive sectors, with Hindalco leading the decline at 3.67 per cent




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Fantastic destinations near Delhi for a long weekend getaway

These destinations offer a mix of culture, adventure, and relaxation, making them perfect for a short vacation.




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Google and Meta Accused of Teen Ad Targeting

Google staff have been accused of exploiting a loophole to target ads at children. The workaround reportedly broke company policy but not any existing laws. According to the Financial Times, the workaround was done in partnership with Meta, which wanted a way to advertise Instagram on YouTube and target 13 to 17 year olds. (Source: ft.com ) Normally that would be impossible under Google's rules for targeting, which don't let advertisers specify ages under 18 when selecting who does and doesn't see an ad. Known Unknowns However, the Financial Times claims Google staff not only knew Meta wanted ... (view more)




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Trump formally announces his choice of Sen. Marco Rubio for Secretary of State

President-elect Donald Trump confirmed on Wednesday that he will nominate Republican Sen. Marco Rubio of Florida for Secretary of State.




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Retailers seek review of cash handout conditions

Retailers are asking the government to review the eligibility conditions for the second phase of its 10,000-baht handout to ensure the target groups are helped, in particular vulnerable groups affected by the economic slowdown.




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Tectonic-paleogeographic implications of a detailed Cretaceous-Cenozoic exhumation history in the Richardson Anticlinorium, northern Yukon, documented by multi-kinetic apatite fission track modelling

Lane, L S; Issler, D R; O'Sullivan, P B. Geoconvention 2020 abstracts; 2020 p. 1-2
<a href="https://geoscan.nrcan.gc.ca/images/geoscan/20210002.jpg"><img src="https://geoscan.nrcan.gc.ca/images/geoscan/20210002.jpg" title="Geoconvention 2020 abstracts; 2020 p. 1-2" height="150" border="1" /></a>




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Bioturbation, heavy mineral concentration, and high gamma-ray activity in the Lower Cretaceous McMurray Formation, Canada

Fustic, M; Nair, R; Wetzel, A; Siddiqui, R; Mathews, W; Wust, R; Bringue, M; Radovic, J. Palaeogeography, Palaeoclimatology, Palaeoecology vol. 564, 110187, 2020 p. 1-17, https://doi.org/10.1016/j.palaeo.2020.110187
<a href="https://geoscan.nrcan.gc.ca/images/geoscan/20200671.jpg"><img src="https://geoscan.nrcan.gc.ca/images/geoscan/20200671.jpg" title="Palaeogeography, Palaeoclimatology, Palaeoecology vol. 564, 110187, 2020 p. 1-17, https://doi.org/10.1016/j.palaeo.2020.110187" height="150" border="1" /></a>