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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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Structural flexibility of favipiravir and its structural analogues in solutions: experimental and computational insight

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00404C, Paper
Tatiana P. Gerasimova, Almaz A. Zagidullin, Anastasiia N. Nikolaeva, Robert R. Fayzullin, Aliya M. Saitova, Vasili A. Miluykov, Stefan Grimme, Sergey A. Katsyuba
Keto-enol transformations of 6-R-3-hydroxy-2-pyrazinecarboxamides in solutions are accompanied by deprotonation of enol tautomers and the formation of corresponding anionic species. The key factors determining these processes have been identified.
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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.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Synthesis of alkynyl sulfides via base-promoted nucleophilic ring-opening of α-bromostyrene sulfonium salt

Org. Biomol. Chem., 2024, 22,2953-2957
DOI: 10.1039/D4OB00203B, Communication
Junqi Zhou, Ziyu Wang, Hanmiao Xu, Mengke Su, Jian Wen
An effective method for synthesizing various alkynyl sulfides has been developed using tetramethylene sulfoxide as a sulfur source through base-promoted nucleophilic ring-opening reactions.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Identification and quantification of local antiaromaticity in polycyclic aromatic hydrocarbons (PAHs) based on the magnetic criterion

Org. Biomol. Chem., 2024, 22,3035-3044
DOI: 10.1039/D4OB00114A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Erich Kleinpeter, Andreas Koch
The ring current effect of entirely and partly (anti)aromatic PCHs are calculated and employed to visualize, qualify and quantify existing (anti)aromaticity, especially to decide unequivocally between PAHs and PAAHs.
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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Design, synthesis, and biological application of A–D–A-type boranil fluorescent dyes

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00297K, Paper
Wei Luo, Yiling Li, Liang Wang, Yanhua Qin, Qiao Cheng, Guochang Hu, Chaoyi Yao, Xiangzhi Song
Acceptor–donor–acceptor boranil fluorescent dyes, CSU-BF-R (R = H, CH3, and OCH3), were developed with strong red fluorescence and large Stokes shifts. CSU-BF-OCH3 could selectively sense intracellular hypochlorous acid in living cells and zebrafish.
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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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First-ever gravity-defying plane swap set for April 24

Two pilots will swap planes mid-air




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Evolution of security in aviation

Data and technology need to be adopted




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Electric aircraft set to transform urban mobility 

Investors are pouring in billions of dollars into eVTOL project (electric vertical take offs and landing aircraft) to ferry passengers




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Slots scarcity hits Indian airlines’ flight roadmap

The solution demands a comprehensive expansion of airside capacity across the country, but that has not materialised




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Embraer expects capacity dynamics to tilt demand in its favour

The plane maker’s current foray attempts to shed the tentativeness that overshadowed its earlier endeavours




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Navigating newer disruptions with maximum agility

Focusing on hyper-personalisation, using the right communication tools and platforms, engaging with the customers at the right time and place will give a much-needed fillip to the industry




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 Instagram downgrades quality of less popular videos

Last year, Meta had admitted in a blog to having separate encoding configurations for different videos based on how popular they were




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Perplexity AI CEO says “still haven’t gotten” a green card amid immigration debate ahead of U.S. Presidential Election 2024

Srinivas went on to work with OpenAI for a year before co-founding Perplexity AI in 2022




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Over 77 per cent of India’s children lack WHO-suggested diversity in diet, study finds

The states of Uttar Pradesh, Rajasthan, Gujarat, Maharashtra and Madhya Pradesh reported the highest levels of inadequate diversity in children's diets -- all above 80 per cent -- while Sikkim and Meghalaya were the only two to report an under-50 per cent prevalence




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Air pollution: Centre warns of the rising ill-effects of deteriorating air quality

In a letter to States and UTs, the Director General of Health Services Atul Goel has said to discourage stubble and waste burning, and spread awareness among people about reducing firecrackers during festivities




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For type 2 diabetes, focusing on when you eat – not what – can help control blood sugar

Time-restricted eating, also known as the 16:8 diet, became popular for weight loss around 2015. Studies have since shown it is also an effective way for people with type 2 diabetes to manage blood glucose




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Drugs regulator finds 49 samples not of standard quality, manufacturers asked to withdraw their products

Four spurious drugs were also found and action has been initiated against the makers, the DCGI said




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Doctors stress healthy lifestyle, regular check-up to prevent strokes in young adults

The webinar was held as part of The Hindu’s Wellness Series




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National Pharmaceutical Pricing Authority directs firms to cut prices of three anti-cancer drugs

Govt. had earlier scrapped customs duty on Trastuzumab, Osimertinib and Durvalumab and also reduced GST rates on them




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Lifestyle changes a major cause for stroke, say doctors

Speaking at a public awareness meeting organised at GRH on the occasion of World Stroke Day on Tuesday, Dr. Murugan, attributed these negative factors to a sedentary lifestyle because of the youth’s job nature and location




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What is breast density and how is it associated with cancer? Explained

Breast density matters because of two main reasons: it may make it harder to detect signs of cancer on a mammogram, and it is linked with an increased risk of breast cancer




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National Task Force files interim report on safety measures for hospital staff

NTF report has suggested short term, medium, and long term measures to protect doctors and medical staff in their workplaces.




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'Rohit Shetty's Copverse has made Cops Heroes'

'Indian Police Force encapsulates the same spirit, the essence of scale, the essence of action and that riveted rhythm that Rohit Shetty brings about, but is complete with absolute realism.'




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'Rituraj was the life of the party'

'One day, just like that, without even saying goodbye, he was gone.'





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'Bombay Has An Intoxicating Personality'

'It's such a mishmash of wonderful things, so many different cultures, subsections of society and weird histories.'




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'It's Not Sexualised Nudity'

'I made it very clear even at the casting process that there was going to be a lot of nudity.''And I wanted to be sure that it would be done with ease.'




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Changing content type of a file in a FormData request with cURL

The other day I had to test an API response based on a file having the incorrect Content-Type of a FormData PUT request. After some digging in cURL I found the -F & --form flag to set the file and its content type. If you don’t specify the content type it will be inferred from … Continue reading "Changing content type of a file in a FormData request with cURL"




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Halomax marks 22 Years of leadership in the lighting industry with a focus on innovation and sustainability

Their extensive product range includes downlighters, profile lights, and step lights for residential interiors, as well as decorative and office lighting for commercial spaces.




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Sustainability Meets Innovation via uPVC: Industry expert shares experience

The rise of uPVC in the Indian construction sector can be attributed to several factors. Unlike traditional materials such as wood and aluminum, uPVC offers excellent thermal insulation, reducing energy consumption for heating and cooling.




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Expert clinic director successfully implements half-hour scheduling system, boosting therapist productivity

As word spread about the success of the half-hour schedule, some early adopters became curious after the clinic director and the team showcased the benefits.




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The Role of Artificial Intelligence in Enhancing Software Performance and Security

Sachin Samrat Medavarapu, a recognized leader in AI-enhanced security and performance optimization, has built an impressive career marked by a series of significant achievements.




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Odissi woos land of Bharatanatyam

Naman dance festival saw scintillating performances of difficult choreographies.




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The pull of simplicity

Kuchipudi dancer Anupama Kylash explains how she got hooked on to Vilasini Natyam.




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Celebrating an alternate style of Odissi

A dance festival-symposium paid tribute to Guru Debaprasad Das who believed that Odissi originated from the tribal and folk traditions.




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The enigma of subjectivity

Bharatanatyam exponent Geeta Chandra explored various strands of Jaina philosophy through a two-day festival, says Sunil Kothari




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Celebrating unity in diversity

The 9th Guru Debaprasad Nrutya Parampara Festival saw the right mix of scintillating and sedate performances.




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Sandhya Raju: The National Awards for ‘Natyam’ are a validation of our efforts

Sandhya Raju, who won the national award for best choreography for ‘Natyam’, discusses how she wanted to make the dance compositions appeal to moviegoers 




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Why cutting costs is a priority for businesses

Companies are using new techniques to enhance competitive advantage




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Counselling: Overcoming the defences of your mind for peace, productivity

Learning to recognise the impact past experiences have on present behaviour can unlock your true potential




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Data on how smartphones driving enterprise mobility in India




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Life skill coaching, moving from experiential avoidance to psychological flexibility




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All is vanity




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Co-driving is the reality, and AutoPilot- the desired state




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House panel tells government to ensure fertilizer availability, increase local production

Standing Committee also questions the high GST rate on components of fertilizers




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Onion auction to remain closed indefinitely in Nashik wholesale markets to protest 40% duty on export: Traders

Traders claimed the central government's decision to impose 40% duty on the export of onions till December 31, 2023 will adversely affect the onion growers and its export




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Govt. imposes 20% export duty on parboiled rice

Duty exemption would be available on parboiled rice lying in customs ports which have not been granted LEO and are backed by valid LCs before August 25, 2023