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TiE Global Summit 2024 targets ₹100 crore in funding for start-up initiative

The event will take place in Bangalore from December 9-11, 2024, and on December 12 in Mysore




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Apple reports record revenue in India; to launch 4 more stores in the country

Tim Cook calls out record India performance




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HCLTech to launch AI Lab in Singapore, partners with EDB 

HCLTech has maintained a presence in Singapore for over 40 years, serving as its Southeast Asian operations hub




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Deeptech robotics start-up CynLr raises $10 million series A funding

CynLr will now expand its 60-member core team into a 120-member global team




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AI startup Pulse raises $1.4 million in seed round




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Prank rebounds

YW storyteller contest: We were flooded with stories for the YW Storyteller contest announced on June 24. Here are some of the entries that almost made it. Congratulations!




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BODIPY(aryl)iodonium salts in the efficient synthesis of diversely functionalized BODIPYs and selective detection of serum albumin

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00336E, Paper
Open Access
Bintu Kumar, Anindita Bhatta, Prakriti Saraf, Taur Prakash Pandurang, Krishnan Rangan, Madhushree Sarkar, Sivaprasad Mitra, Dalip Kumar
Using readily available BODIPY and iodoarenes various BODIPY(aryl)iodonium salts were prepared and successfully utilized for the direct syntheses of functionalized BODIPYs, bis-BODIPYs and for the selective detection of serum protein.
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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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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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An efficient synthesis of mono-, di-, and tri-substituted 1,3-thiazoles employing functionalized thioamides as thiocarbonyl precursors

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00229F, Paper
Kalleshappa Sheela, Chikkappaiahnayaka Santhosh, Krishna Ravi Singh, Kalleshappa Sharath, Maralinganadoddi P. Sadashiva
Herein, we report an efficient strategy to synthesize functionalized 1,3-thiazoles using alkyl 2-amino-2-thioxoacetates.
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Generation of sulfones utilizing β-sulfinyl esters as masked aryl sulfinates under redox-neutral conditions

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00238E, Communication
Yixin Zhang, Zhu Yang, Hongjun Yang, Xuefeng Li, Lu Yang
A method for generation of SVI sulfones from β-sulfinyl esters (SIV) under transition-metal-free non-oxidative mild conditions is presented.
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Photoinduced decatungstate-catalyzed C(sp3)–H thioetherification by sulfinate salts

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00394B, Paper
Pengcheng Li, Jia-Lin Tu, Ao-Men Hu, Lin Guo, Chao Yang, Wujiong Xia
A visible light photoinduced decatungstate-catalyzed C(sp3)–H thioetherification of hydrocarbons by sodium sulfite is herein reported.
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Catalyst- and base-free visible light-enabled radical relay trihalomethylation/functional group-migration/carbonylation with CX3SO2Cl

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00292J, Paper
Jinkai Hu, Chenglei Yang, Xiaotao Qin, Hui Liu, Tongtong Ma, Ao-tong Shi, Qing-Long Lv, Xingman Liu, Jinhui Yang, Dianjun Li
A visible light-enabled photocatalyst-free radical trihalomethylation/cyano (or benzo[d]thiazol-2-yl) 1,4-migration/carbonylation reaction of 2-hydroxy-2-hex-5-enenitrile (or (benzo[d]thiazol-2-yl)-pent-4-enol) with CX3SO2Cl (X = F, Cl) is reported.
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Asymmetric synthesis of the fully functionalized six-membered A-ring of siphonol A

Org. Biomol. Chem., 2024, 22,2958-2962
DOI: 10.1039/D4OB00104D, Communication
Ying Sun, Shaomin Fu, Bo Liu
The asymmetric synthesis of the fully functionalized six-membered A-ring of siphonol A is presented.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Selective synthesis of an elusive C-functional bis-cyclam and study of its inhibition of the CXCR4 chemokine receptor

Org. Biomol. Chem., 2024, 22,3059-3067
DOI: 10.1039/D3OB02050A, Paper
Marie M. Le Roy, Sandra Claes, Nathalie Saffon-Merceron, Dominique Schols, Thibault Troadec, Raphaël Tripier
A rare example of C,C'-linked bis-cyclam has been synthesized with controlled manner in mild conditions thanks to the “bis-aminal” tool, and its good CXCR4-recognition properties could be demonstated in vitro.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Albumin–ruthenium catalyst conjugate for bio-orthogonal uncaging of alloc group

Org. Biomol. Chem., 2024, 22,2992-3000
DOI: 10.1039/D4OB00234B, Paper
Kimberly S. Taylor, Madison M. McMonagle, Schaelee C. Guy, Ariana M. Human-McKinnon, Shumpei Asamizu, Heidi J. Fletcher, Bradley W. Davis, Takashi L. Suyama
An organo–ruthenium catalyst conjugated to albumin efficiently unmasks an alloc group under physiologically relevant conditions.
The content of this RSS Feed (c) The Royal Society of Chemistry




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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.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Unusual immunosuppressive pyridine-containing bisnor- (c23), tetranor- (c21) and pentanor- (c20) sesterterpenoids from Tibetan Leucosceptrum canum

Org. Biomol. Chem., 2024, 22,3019-3024
DOI: 10.1039/D4OB00334A, Paper
Man Li, Ling Feng, Han Zhang, Yan-Chun Liu, Ting-Ting Zhou, Yu Zheng, Kai Guo, Yan Liu, Sheng-Hong Li
Six unusual pyridine-containing bisnor- (C23), tetranor- (C21) and pentanor- (C20) sesterterpenoids were obtained from the medicinal plant Leucosceptrum canum of Tibetan origin. The immunosuppressive activities of these sesterterpenoids were observed.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Additive-free oxychlorination of unsaturated C–C bonds with tert-butyl hypochlorite and water

Org. Biomol. Chem., 2024, 22,3080-3085
DOI: 10.1039/D4OB00003J, Paper
Duyi Shen, Chaoyue Sun, Yun Han, Zhen Luo, Ting Ren, Qin Zhang, Wenting Huang, Jianru Xie, Ying Jia, Mianran Chao
A facile oxychlorination of various alkynes and alkenes with tBuOCl as an alternative chlorine source and H2O as a green oxygen source.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Iron-catalyzed selective construction of indole derivatives via oxidative C(sp3)–H functionalization of indolin-2-ones

Org. Biomol. Chem., 2024, 22,3073-3079
DOI: 10.1039/D4OB00133H, Paper
Wei Chen, Lang-Qi Wen, Xiao-Bing Lu, Hui Zhou
We have developed a clean and efficient iron-catalyzed C(sp3)–H functionalization of indolin-2-ones for the chemodivergent synthesis of value-added indole derivatives, including isatins, and symmetrical and non-symmetrical isoindigos.
The content of this RSS Feed (c) The Royal Society of Chemistry




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3-Halo-5,6-dihydro-4H-1,2-oxazine N-oxides as synthetic equivalents of unsaturated nitrile oxides in the [3 + 2]-cycloaddition with arynes: synthesis of substituted 3-vinyl-1,2-benzisoxazoles

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00391H, Communication
Alexander A. Lukoyanov, Svetlana A. Aksenova, Andrey A. Tabolin, Alexey Yu. Sukhorukov
3-Halo-1,2-oxazine N-oxide derivatives act as surrogates of vinyl nitrile oxides in tandem [3 + 2]-cycloaddition/[3 + 2]-cyclofragmentation with arynes leading to benzisoxazoles.
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Cu(OTf)2/HFIP catalyzed regioselective cycloisomerization of indole-C3-functionalized alkynols to carbazoles

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00421C, Communication
Srinivasarao Yaragorla, Tabassum Khan, Sayonika Chakroborty
We report here a simple and atom economic cycloisomerization reaction of indole-tethered alkynols for constructing diverse carbazoles via 1,2-alkly migration using Cu(OTf)2/HFIP as the excellent promoter system.
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N-Functionalization of beta-aminophosphonates; Cytotoxic effect of the new derivatives

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00243A, Paper
György Keglevich, Petra Regina Varga, Emőke Dinnyési, Zsuzsanna Szalai, Szilvia Bősze, Rita Oláhné Szabó, Laszlo Drahos, Konstantin Karaghiosoff
Beta-Aminophosponates obtained by the Michael addition of primary amines to the double bond of diethyl vinylphosphonate proved to be suitable starting materials (amine components) in the Kabachnik–Fields reaction with formaldehyde...
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Sustainable preparation of 2-acylbenzothiazoles under the cooperation of ionic liquids and microwave irradiation

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00315B, Paper
Shoushun Wang, Mengjie Liu, Yiyuan Yue, Xiude Hu, Yalin Zhang, Guodong Shen, Ruiguo Dong, Lilong Shi, Bing Yu, Xianqiang Huang
A series of 2-acylbenzothiazole derivatives were sustainably synthesized for the first time under the cooperation of ionic liquids and microwave irradiation, metal- and extra-additives-free conditions.
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Tetrabutylammonium decatungstate (TBADT), a compelling and trailblazing catalyst for visible-light-induced organic photocatalysis

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00171K, Review Article
Bor-Cherng Hong, Ranadheer Reddy Indurmuddam
This review summarizes recent developments in visible-light or near-visible-light photocatalysis reactions enabled by the TBADT catalyst.
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Getting Started with CSS Shapes: Wrapping content around custom paths

Using CSS Shapes we can create experiences that we have never been able to create on the web before.




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Why Mount Everest is a no-fly zone

Hurricane-force winds and frequent snowstorms are obstacles




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Gearing up to fly twice as fast as sound

The US-based start-up Boom Supersonic is putting together an aircraft that can fly at a maximum speed of Mach 2.2




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Greenfield airports on a slippery runway

The success of these new airports is contingent on the ability to attract international traffic




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Start-up founders onboard pvt jets

JetSetGo in talks with VCs, PEs to raise additional $50 million




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Unmanned Flying Objects, at your service

From capturing candid shots at in a wedding, to spraying pesticides to surveillance of places where access is difficult for humans, drones as a service (DaaS) is the next big thing




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Corporate travel is unlikely to reach pre-Covid levels

However, with offices opening up, many airlines are seeing increased demand with an uptick for premium cabins




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Chicken gun test: Saving jets from bird strikes

According to ICAO, at least 34 bird strikes happen every day, causing around $1 billion worth damages every year




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Sarvam AI launches Sarvam 1 for Indic languages

The custom training corpus, Sarvam-2T comprised of 20 percent datasets in Hindi as well as English and programming languages so the AI model can perform multilingual tasks




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Hong Kong unveils responsible AI framework for financial sector

Hong Kong’s responsible AI framework comes amid increasing international competition and tensions affecting access to AI technology




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Apple Intelligence launches the iPhone into the AI era

Apple has released a free software update that will inject its first dose of artificial intelligence into its iPhone 16 line-up as the trendsetting company tries to catch up with technology’s latest craze




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OpenAI chair's AI startup Sierra gets $4.5 billion valuation in latest funding round

One-year-old Sierra focuses on selling artificial intelligence-powered customer service chatbots to enterprises




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Microsoft Teams to launch threaded conversations, combined chats and channels features

The app has also added other changes in the interface so users can organise their chats better




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GitHub unveils multi-model Copilot, Spark for AI developers

Anthropic’s Claude 3.5 Sonnet will be available via GitHub Copilot starting today and Google’s Gemini 1.5 Pro will be available in the coming weeks




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OpenAI builds first chip with Broadcom and TSMC, scales back foundry ambition

OpenAI is working with Broadcom and TSMC to build its first in-house chip designed to support its artificial intelligence systems, per sources




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Elon Musk's xAI in talks to raise funding valuing it at $40 billion: Report

Earlier in October, OpenAI raised $6.6 billion in funding from investors which could value the company at $157 billion




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Google expands AI Overviews in Search to more than 100 countries

Earlier this month, the search giant rolled out ads in AI Overviews on mobile but only in the U.S.




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As Bitcoin nears all-time high, WazirX investors are in pain over their locked crypto funds

Bitcoin was inching towards its March 2024 all-time-high price of $73,750.07, but those whose crypto assets are locked with the WazirX exchange after a cyberattack are anxious about missing out




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Google Maps adds AI features to help users explore and navigate the world around them

Google Maps is heading down a new road steered by artificial intelligence




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OpenAI CEO Sam Altman says next big AI model launch pushed due to compute challenges

Altman also said that the next update for DALL-E was still in the works with no release date yet




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Amazon won’t release new Alexa until 2025: Report

Until sometime ago, users were able to access the beta version of Alexa using an Echo but that has been cut off now




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I Didn’t Realize How Much I Rely on GitHub Codespaces Until This week

How much do I rely on GitHub Codespaces for open source development? Super double-plus much. I can illustrate exactly how much with one short anecdote. Gulp 5 was recently released and I created several PRs across repos in the H5BP organization to update Gulp across the board. I missed one issue with the encoding of […]




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Out-of-pocket expenditure on health in Kerala is highest in country despite increased State investments

National Health Accounts figures show the per capita out-of-pocket expenditure on health in Kerala stands at ₹7,889. However, Kerala also tops the list when it comes to the per capita government spending on health, at ₹4,338




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Karnataka government plans to start 11 medical colleges under contentious PPP model

As of now, the State has 22 government medical colleges in 22 districts while 11 others have no government medical colleges; the PPP model however has been criticised by some experts




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Will not allow dilution of AIIMS brand: Union Health Minister J. P. Nadda

The Health Minister said no compromises will be made in faculty recruitments or standards of teaching at any of the new AIIMS institutes being set up across the country