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Clean facts about Antarctic warming

Changes due to global warming in the Antarctic region have become visible in recent years




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Clean facts about global plastic waste

Fifty per cent of the world’s population resides in areas where plastic waste generated exceeds the capacity to manage it, says report




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Clean facts about bees and sustainability

The population of bees and other pollinators have shown a steady decline because of the destruction of their habitat




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Clean facts  about the AI boom and environmental costs 

The energy consumption of datacentres, AI and cryptocurrency sectors was 460 terawatt hours in 2022 but could touch 1000 TWh by 2026




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Clean facts about desertification and land degradation 

Severe land degradation is now affecting 168 countries across the world 




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Holding building sites accountable for their actions

To combat air pollution New Delhi attempts to rein in construction and demolition waste




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Clean facts about agrivoltaics 

Agrivoltaics is the simultaneous use of land for agriculture and photovoltaic (PV) power generation.




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How land use and roads are impacting herbivore habitats  

 A recent study shows that the genetic diversity of the Gaur and Sambar are under threat in central India 




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Clean facts about blue carbon 

Blue carbon ecosystems provide the habitat for marine and coastal species, from birds, fish, and mammals to invertebrates, algae, and microbes




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Clean facts  about greenhushing 

Greenhushing also helps the company alter or change its sustainability effort without attracting public attention 




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Clean facts about aerial seeding 

Aerial or broadcast seeding is considered a better option than conventional methods of sowing seeds




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Researchers observes what exactly happens at beginning of possible endosymbiosis




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UNGA president calls for global action to ensure success of Pact for the Future




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Baku climate talks: India not attending World Leaders Climate Action Summit




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Telangana CM orders action against traders cheating farmers




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Gujarat introduces stricter safety rules for boating activities




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PM Modi virtually inaugurates new manufacturing plant of medical devices at Meril Company in Vapi




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Four cleaning contract staff run over by speeding Kerala Express




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World Bank to support farmers of Kerala to adapt climate impacts




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Quick tip: using flatMap() to extract data from a huge set without any loop

I just created a massive dataset of all the AI generated metadata of the videos of the WeAreDeveloper World Congress and I wanted to extract only the tags. The dataset is a huge array with each item containing a description, generated title, an array of tags, the original and their title, like this: { “description”: […]




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Extract a Number from a String with JavaScript

User input from HTML form fields is generally provided to JavaScript as a string. We’ve lived with that fact for decades but sometimes developers need to extract numbers from that string. There are multiple ways to get those numbers but let’s rely on regular expressions to extract those numbers! To employ a regular expression to […]

The post Extract a Number from a String with JavaScript appeared first on David Walsh Blog.




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Sonata Software secures multi-year deal from Fortune 500 manufacturing company

The client is partnering with Sonata Software to modernise its operations and deliver a homogenous, unified user experience at scale




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India should manufacture its own AI systems: Nvidia’s Jensen Huang

In an interaction with media in Mumbai, Huang said, “Manufacture your own AI. You should not outsource, you should not export data to import intelligence. Don’t wait to jump into this one 20 years later. Enter this one at Ground Zero.”




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Full impact of tariff hike to flow through current quarter: Gopal Vittal

Vittal, Managing Director and Chief Executive Officer, Airtel, said there is room for further hikes as the average revenue per user levels in India were still much lower than in smaller countries in the region




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Cognizant’s Synapse skilling initiative impacts 275,000 individuals in its first year

The rapid progress of Synapse comes at a time when there is a growing desire from organisations to train and redevelop talent




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Sealy expands global reach with new manufacturing facility in India

The new factory will produce Sealy’s premium mattresses, including the Posturepedic range, for the domestic market




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Cyient DLM secures 16-year aerospace contract with Honeywell 

The shares of Cyient DLM Limited were trading at ₹644.85 up by ₹11.80 or 1.86 per cent on the NSE today at 1.40 pm




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Can we take action?

Bankei’s meditation classes had run into a problem. Somebody was stealing! What could they do?




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Synthesis of 3,5-disubstituted isoxazoles by domino reductive Nef reaction/cyclization of β-nitroenones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00232F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Muhammad Ehtisham Ibraheem Khan, Tomas Lighuen Cassini, Marino Petrini, Alessandro Palmieri
β-Nitroenones were converted into 3,5-disubstituted isoxazoles via a domino reaction promoted by tin(II) dichloride. The protocol efficiently works under both microwave and flow conditions.
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Siloxane-containing phosphine (oxide) ligands for enhanced catalytic activity of cobalt complexes for hydrosilylation reactions

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00333K, Paper
Peng Liu, Jiajian Peng, Ying Bai, Jiayun Li
A series of siloxane-containing phosphine (oxide) ligands have been designed and synthesized.
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A water mediated multicomponent reaction for the synthesis of novel spirooxindole derivatives and their antifungal activity

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00256C, Paper
Min Zhang, Liang Shi, Li Chen, Zhengyu Liu, Ting Zhao, Chunyin Zhu, Liuqing Yang
A total of 27 novel spirooxindoles were synthesized through a water mediated three-component reaction of isatin, 4-aminocoumarin, and 1,3-cyclodicarbonyl compounds. Several compounds showed excellent antifungal activity against Physalospora piricola.
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New 2-pyridone-based donor–acceptor dyes: the effect of the donor group position, type of π-linker and acid–base characteristics of the medium on the photophysical properties

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00177J, Paper
Saveliy P. Sorokin, Mikhail Yu. Ievlev, Oleg V. Ershov
Synthesis of a series of new donor–acceptor dyes based on 2-pyridone and the study of the effect of the position of the donor group, the type of π-linker and the acid–base characteristics of the medium on their photophysical properties.
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Diastereoselective synthesis of functionalized spiroindolines via intramolecular ipso-iodocyclization/nucleophile addition cascade reactions of indole-tethered ynones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00112E, Paper
Debojyoti Bag, Sanghapal D. Sawant
Herein, we describe a highly diastereoselective approach for synthesizing polyfunctionalized spiroindolines from indolyl-ynones involving an ipso-iodocyclization/nucleophile addition cascade.
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Rapid in situ generation of 2-(halomethyl)-5-phenylfuran and nucleophilic addition in a microflow reactor

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00358F, Paper
Open Access
Yuma Matsuura, Shinichiro Fuse
Various 2,5-disubstituted furans were synthesized via 5-substituted 2-halomethylfurans using microflow technology.
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Use of ionic liquids in amidation reactions for proteolysis targeting chimera synthesis

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00304G, Paper
Michela Eleuteri, Jenny Desantis, Gabriele Cruciani, Raimondo Germani, Laura Goracci
Selective degradation of disease-causing proteins using proteolysis targeting chimeras (PROTACs) has gained great attention, thanks to its several advantages over traditional therapeutic modalities.
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Electrochemical and photochemical reaction of isatins: a decade update

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00202D, Review Article
Nandini M. Gotgi, J. Saurab Jain, Rita Pal, Debashis Ghosh
This review presents all the recent reports on electro- and photochemical reactions of isatins over the last decade.
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A rhodium-catalyzed cascade C–H activation/annulation strategy for the expeditious assembly of pyrrolidinedione-fused 1,2-benzothiazines

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00193A, Paper
Yinsong Wu, Guanghao Shi, Yanan Liu, Yangzilin Kong, Mengdi Wu, Demao Wang, Xiaobing Wu, Yongjia Shang, Xinwei He
We have developed a cascade annulation strategy triggered by rhodium(III)-catalyzed C–H activation for the expeditious assembly of pyrrolidinedione-fused 1,2-benzothiazines from free NH-sulfoximines with maleimides under mild conditions.
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Synthesis of Asp-based lactam cyclic peptides using an amide-bonded diaminodiacid to prevent aspartimide formation

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00472H, Communication
Wen-Jie Li, Jun-You Chen, Hui-Xia Zhu, Yi-Ming Li, Yang Xu
A diaminodiacid (DADA) containing an amide bond can be used in Fmoc solid-phase peptide synthesis (SPPS) of an Asp-based lactam cyclic peptide with no aspartimide formation.
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Friedel–Crafts reactions for biomolecular chemistry

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00406J, Review Article
Open Access
Jun Ohata
This review demonstrates advances in Friedel–Crafts alkylation and acylation reactions in a variety of biomolecular chemistry fields.
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Electrochemical nickel-catalyzed cross-coupling of glycosyl thiols with preactivated phenols and ketones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00442F, Communication
Fuxin Li, Hui Liu, Wanyu Xing, Qingju Zhang, Liming Wang
Here we report an efficient electrochemical nickel-catalyzed cross-coupling reaction for the synthesis of S-glycosides from preactivated phenols and ketones.
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Stereoselective Synthesis of gem-Dihalopiperidines via Halo-Aza-Prins Cyclization Reaction: Access to Piperidin-4-ones and Pyridines

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00338A, Paper
Anil Kumar Saikia, Surjya Kumar Bora, Subhamoy Biswas, Bipin Kumar Behera
An efficient methodology for the synthesis of 4,4-dihalopiperidine derivatives has been developed from N-(3-halobut-3-en-1-yl)-4-methylbenzenesulfonamide and aldehyde catalyzed by In(OTf)3 in excellent yields. The reaction involves an initial formation of six...
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Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization

Org. Biomol. Chem., 2024, 22,2978-2984
DOI: 10.1039/D4OB00027G, Paper
Abdulrahman M. Alazemi, Mohammad H. BinSabt, Hamad M. Al-Matar, Alan L. Balch, Mona A. Shalaby
Linked thieno[2,3-b]thiophene-fullerene Dimers.
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Recent advances in spirocyclization of maleimides via transition-metal catalyzed C–H activation

Org. Biomol. Chem., 2024, 22,2916-2947
DOI: 10.1039/D3OB01904G, Review Article
Swadhin Swaraj Acharya, Sagarika Patra, Rojalini Maharana, Manaswini Dash, Liza Mama Barad, Bibhuti Bhusan Parida
In recent years, the maleimide scaffold has received a great deal of attention in C–H activation.
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Not exclusively the activity, but the sweet spot: a dehydrogenase point mutation synergistically boosts activity, substrate tolerance, thermal stability and yield

Org. Biomol. Chem., 2024, 22,3009-3018
DOI: 10.1039/D4OB00211C, Paper
Yu-Ke Cen, Lin Zhang, Yue Jiang, Xiang-Fu Meng, Yuan Li, Chao Xiang, Ya-Ping Xue, Yu-Guo Zheng
A single-point mutation of 7α-HSDH achieved the highest activity and synergistically improved substrate tolerance, thermal stability, cofactor affinity, and conversion rate.
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Expanding the scope of the successive ring expansion strategy for macrocycle and medium-sized ring synthesis: unreactive and reactive lactams

Org. Biomol. Chem., 2024, 22,2985-2991
DOI: 10.1039/D4OB00285G, Paper
Open Access
Zhongzhen Yang, Marion Arnoux, Damien Hazelard, Owen R. Hughes, Joe Nabarro, Adrian C. Whitwood, Martin A. Fascione, Christopher D. Spicer, Philippe Compain, William P. Unsworth
New Successive Ring Expansion (SuRE) protocols are described for use on unreactive lactams, as well as iminosugar derived lactams.
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Photogenerated chlorine radicals activate C(sp3)–H bonds of alkylbenzenes to access quinazolinones

Org. Biomol. Chem., 2024, 22,2968-2973
DOI: 10.1039/D4OB00129J, Communication
Xin-Yao Pan, Gui-Xia Sun, Fang-Ping Huang, Wen-Jian Qin, Qing-Hu Teng, Kai Wang
An Fe-catalyzed visible-light induced condensation of alkylbenzenes with anthranilamides has been developed.
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Revisiting Biginelli-like Reactions: Solvent Effects, Mechanisms, Biological Applications and Correction of Several Literature Reports

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00272E, Paper
Brenno A. D. Neto, Pedro Beck, Arthur Leitão, Yasmin Santana, Jose R. Correa, Carime Vitória da Silva Rodrigues, Daniel Machado, Guilherme Matos, Luciana Machado Ramos, Claudia Cristina Gatto, Carlos Kleber Z. Andrade, Sarah Caldas
This study critically reevaluates reported Biginelli-like reactions using a Kamlet-Abboud-Taft-based solvent effect model. Surprisingly, structural misassignments were discovered in certain multicomponent reactions, leading to the identification of pseudo three-component derivatives...
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An FeCl3-catalyzed three-component reaction for the synthesis of β-(1,2,3-triazolyl)-ketones using DMF as a one-carbon source

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00207E, Communication
Ruilin Fang, Lei Zheng, Xuyang Chen, Can Wang, Yunfeng Chen
FeCl3-catalyzed oxidative condensation of NH-1,2,3-triazoles and aryl methyl ketones and DMF has been reported.
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Measuring local pH at interfaces from molecular tumbling: A concept for designing EPR-active pH-sensitive labels and probes

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00167B, Paper
Open Access
Maxim A. Voinov, Nicholas Nunn, Roshan Rana, Atli Davidsson, Alex I. Smirnov, Tatyana I. Smirnova
EPR-based local pH measurements based on changes in rotational dynamics of spin-bearing molecules upon protonation.
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Facile synthesis of tetrahydroquinoline containing dithiocarbamate derivatives via one-pot sequential multicomponent reaction

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00490F, Communication
SIDDHARTHA KUMAR SENAPATI, Anit Pal, Animesh Das
An efficient sequential multi-component method for the synthesis of tertrahydroquinoline containing dithiocarbamate has been developed. This reaction involved a boronic acid-catalyzed reduction of quinoline to tertrahydroquinoline, followed by nucleophilic addition...
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