3

Photochromism of phenazine-2,3-diol derivatives through excited state intermolecular proton transfer based on keto–enol tautomerization

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00387J, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Kazuki Ohira, Kumpei Kozuka, Naoki Kaneda, Masahiro Yamamoto, Keiichi Imato, Yousuke Ooyama
It was found that phenazine-2,3-diol derivatives exhibit photochromism through excited state intermolecular proton transfer (ESInterPT) processes based on keto–enol tautomerization.
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The content of this RSS Feed (c) The Royal Society of Chemistry




3

BBr3-mediated dearomative spirocyclization of biaryl ynones: facile access to spiro[5.5]dienones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00274A, Communication
Gaurav Jaiswal, Subhas Chandra Pan
BBr3 mediated dearomative spirocyclization of biaryl ynones has been reported for the direct synthesis of spiro[5.5]dienones with a tri-substituted double bond.
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The content of this RSS Feed (c) The Royal Society of Chemistry




3

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




3

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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3

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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3

Efficient synthesis of SCF3-containing 3-alkenylquinoxalinones via three-component radical cascade reaction

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00363B, Paper
Si-Yu Wang, Chu Liu, Wei Yang, Zhong-Ying Tian, Lin Yuan, Long-Yong Xie
A three-component cascade reaction of quinoxalinones, alkynes and AgSCF3 toward complete E-selective SCF3-containing 3-alkenylquinoxalinones was developed.
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3

K2CO3-Mediated (3+3-1) Annulation of 1,3-Acetonedicarboxylates with 2-Fluoro-1-nitroarenes: Synthesis of Indoles

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00488D, Paper
Meng-Yang Chang, Chin-Huey Ho, Hsing-Yin Chen
The K2CO3-mediated one-pot reaction of 1,3-acetonedicarboxylates with 2 equiv. of substituted 2-fluoro-1-nitrobenzenes has been developed to synthesize various 2,3-dicarboxylate indoles via a tandem (3 + 3 − 1) annulation pathway....
The content of this RSS Feed (c) The Royal Society of Chemistry




3

DevTools Digest - Chrome 35: Updates to the Developer Tools in Chrome 35

Updates to the Chrome Developer Tools: CSS property quick search, memory stats for heap snapshots, CodeMirror upgrade and more.




3

Air India sale: Who will bag the Maharaja's crown?

Financial bid winner for sale of the State-owned airlines to be declared in three weeks; sources say it may take longer




3

A380: How Airbus forecast misfired

Sinks $25 billion in the process




3

Will Akasa Air’s contra bet on Boeing 737 Max instead of Airbus pay off?

Rakesh Jhunjhunwala’s Akasa airline has gone against the tide, placing its bets on Boeing aircrafts; it now needs to carve out a niche for itself 




3

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




3

Jio’s Diwali Dhamaka plan offers year-long prepaid plan for ₹3,599

Jio is offering a prepaid plan of 2.5 GB of data per day for an entire year, priced at₹3,599, as part of a Diwali offer




3

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




3

Chinese researchers develop AI model for military use on back of Meta's Llama

ChatBIT was fine-tuned and "optimised for dialogue and question-answering tasks in the military field", the paper said




3

Amazon's improving retail sales boost third-quarter profit, revenue beats estimates

Like its tech peers, Amazon said it expected higher capital expenditures for the foreseeable future to help develop artificial intelligence software




3

Indonesia bans sales of Google phones days after blocking Apple's iPhone 16

Indonesia said it has banned sales of smartphones made by Alphabet's Google due to rules requiring the use of locally manufactured components




3

30,000 critical care beds, regional centres for National Institute of Virology are among plans under PM-ABHIM: V.K. Paul

Expanding healthcare infrastructure plans also include integrated public health units in 600 districts and 30 branches of the National Centre for Disease Control, Niti Aayog member Dr. Paul has said




3

Following WHO guidelines for sodium content in packaged food could prevent 3 lakh deaths in India in 10 years: study

Additionally, about 1.7 million new cardiovascular disease cases and 7,00,000 new chronic kidney disease cases could be prevented compared to current practices, the study said





3

'Sushant's death needs a CBI inquiry'

'This is not a fight just for Sushant, it is a fight against a system that suppresses genuine talent and forces them to take extreme steps.'






3

'Scale at which this scam operates is shocking'

'There is an eminently fertile ground that perpetrators must be finding in our society.'




3

The Hrithik Roshan You Don't Know

'Later, I asked Hrithik how he could have remained so calm in the circumstances. He told me simply, "What could have happened? At the most, they would have killed me".'




3

'Once in a blue moon you get a lottery like Animal'

'It has never happened that all Top 5 songs on Spotify are from one film. On the Ormax list, the Top 9 are from Animal.''The music is good, sure. But everything has taken off with Animal the film.'




3

'Nothing honorable about this killing'

'Find a name that changes the words honor killing and hopefully it includes the word murder.''If you use the words, you are trying to justify the murders.'




3

'Katrina didn't want to do Tamil version'

'It would have made (Producer) Ramesh Taurani very happy if I taken two Bombay stars, but the reason why I kept mentally rejecting the regular sort of casting was to discover this excitement, you know, can I crack it?'




3

'Ranbir said, 'Yaar, what a shot you gave!''

'Ranbir helped me a lot with emotions and dialogues. As an actor, he makes us very secure.''He guides us with his experiences. He makes the work really, really easy and wonderful for his co-stars.'




3

Shabana-Javed's Recipe For A Happy Marriage

'As we grow older, we fight much less with each other.''The magic mantra is 'Drop it!'''I would recommend it for all relationships.''In anger, we can say many hurtful things that can leave a deep scar, so dropping it is the healthy way of preventing that from happening.'




3

'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.'




3

Revealed: YouTube's India Plans

'Two in three creators in India who earn money from YouTube agree that YouTube is their primary source of revenue.'




3

'Happy film-makers are rediscovering me'

'Whatever you see of me on celluloid will be with the idea of wanting to push the envelope.'




3

'Emotion is missing in today's times'

'You have to fight your own battles and I fought mine.'




3

Will Wim Wenders' Film Win An Oscar?

'This was a film, a story that had never been told before.'




3

'Raveena's Quite A Brave Person'

'In our Indian content, you always see the mother is presented a bit differently.''But in this show, the mother is the one who's most glamorous and she is the bombshell of the show.'




3

'My struggle was because I'm a woman'

'You are constantly trying to get things made. You keep meeting people, knocking on their door. And time goes by.'




3

'Prasanth wanted Yash to play Hanuman'

'Since God was being shown in live action on such a large scale, Prasanth was initially sceptical about going with an animated character.'




3

'I have no fear of failure because...'

'...when you hit rock bottom, you can't go any lower than that.'And I've been to rock bottom.''But that's what made me the actor I am today. I'm fearless.'




3

'Men, women, everybody, we want love'

'When something like this happens, it's just like all the weight and all the time that there was no work and the auditions were not cracking, you feel it's just worth it.'




3

The Actress Who Caught Mrinal Sen's Eye

Mamata Shankar remembers the amazing actor Sreela Majumdar, who passed into the ages last week.




3

'Fireworks between Sushmita and me'

'People started noticing me again. OTT is a good platform for serious actors. In the olden days, unless you are the heroine, actors would have screen deaths. But now, there are so many good roles for women.'




3

Meet Fighter's Evil Villain!

'Coming out of a burning building with a machine gun in your hand, that is badass because you don't get to do that in real life.'




3

'I have danced with Sushmita Sen!'

'She got really close, and I was like, oh Miss Universe and me dancing!'




3

'This film makes you become patient'

'Usually, we are always worried that we are missing out something in life.''We are very keen for the audience to have this as a cinema experience in theatres.''You get the rare chance to be patient.'




3

'If you are brave, you're unstoppable'

'I remember that when I was about seven years old, a doctor saw me and told my family that I would only survive for six months and that the disease had no cure. But my mother never gave up. She would always say, 'My son is born to become a renowned wrestler'.'




3

'I have been rejected many times because of my colour'

'I have trained Ravish Kumar, Virender Sehwag, Harbhajan Singh, Irfan Pathan...''But if I approach somebody for work, I never get it.'




3

'Bollywood is such a waste of time'

'You make a song, it gets rejected, you have to make 10 more.'




3

'We View Wildlife As A Threat'

'We need to understand and respect wildlife behaviour.'




3

'I don't like people messing with me'

'Television actors are people who play with fire.'