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Asymmetric total synthesis of humulane sesquiterpenoids alashanoids B, C, E, and F and 2,9-humuladien-6-ol-8-one

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00393D, Paper
Rasmita Barik, Samik Nanda
Naturally occurring sesquiterpenes having humulane frameworks are structurally intriguing and possess significant biological profiles.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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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.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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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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Hydrosilylation of nitriles and tertiary amides using a zinc precursor

Org. Biomol. Chem., 2024, 22,3053-3058
DOI: 10.1039/D4OB00161C, Paper
Ravi Kumar, Rohan Kumar Meher, Himadri Karmakar, Tarun K. Panda
A competent and selective hydrosilylation of nitriles and tertiary amides catalyzed by zinc bis(hexamethyldisilazide) [Zn(HMDS)2] under solvent-free and mild conditions are reported, as a sustainable and desirable alternative to existing methods.
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.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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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.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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From geopolitics strife to a war of words between two aviation giants

Qatar Airways and Airbus lock horns over safety concerns




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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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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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Airlines’ performance metrics may need an overhaul

It may be time to revisit RASK, CASK metrics; benchmarking based on cost drivers can boost an airline’s performance




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Air India’s roadmap can be tricky to pull off

The airline has to work hard to drastically grow its network and fleet while improving reliability as well




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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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Dietary restriction or good genes: new study tries to unpack which has greater impact on lifespan

If we know that genetics and lifestyle affect how long you live, which one is more important? And how do they interact?




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High cataract rate among elderly in Mucherla, Meerkhanpet of Rangareddy district, says survey

HHF’s screening of 200 patients in Mucherla and Meerkhanpet found that 21% had senile cataracts, 18% had immature cataracts, and 15% had refractive errors




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Centre eyes ‘presumed consent’ for cornea retrieval in hospital deaths

THOTA may be amended to facilitate retrieval of cornea from all Indians who die in hospitals, without family consent. 




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WHO says strike on Gaza polio vaccination centre wounds four children

The World Health Organization’s chief Tedros Adhanom Ghebreyesus said the health centre was “in an area where a humanitarian pause was agreed to allow vaccination to proceed” and that the attack could put off parents of children needing a second vaccine




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Bengaluru start-up strives to bridge India’s genomics data gap to aid precision oncology

The company, 4baseCare, has come up with a gene panel for the Indian population after extensive research. This, according to the founders, will allow doctors to provide more evidence-based and data-backed treatment for cancer patients in the country




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Severe staff shortage leaves Tamil Nadu’s obstetricians and gynaecologists overworked

Doctors are forced to take turns doing frequent 24-hour shifts — in some cases two to three 24-hour shifts a week. Inquiries with government OB-GYNs reveal that several health facilities have been short-staffed for years, and vacant posts remain unfilled




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'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?'




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'The Audience Can't Be Tricked'

'In the audience's mind there is no urgency to go see a film in the theatre.''If you pay for social media buzz it does not convert into bums on seats.'





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Role of soft skills in industrial and product design career success: Preparing next generation of designers

Kushal Karwa, a thought leader in design education, emphasizes the need for integrating soft skills training into career preparation programs to help young designers thrive in real-world environments.




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Sringara strikes the dominant note at Bhaavaanabhuti

Music and natya combined to showcase Kshetrayya’s padams. P.S. Krishnamurti writes




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A fitting tribute to the guru

Lucrezia Maniscotti dedicated her performance to guru Adyar K. Lakshman, writes Rupa Srikanth




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Tribute to the master

The recent two-day dance festival organised by Debdhara brought an eclectic mix of Odissi and Kathak recitals on stage.




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When disaster strikes

An effective business continuity plan is key to disaster-proofing your business




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Government imposes restrictions on export of Basmati rice

Basmati rice below $1200 per tonne will not be allowed to export




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From soaps to lip balms: How demand for donkey milk has kicked off a farming revolution in Tiruchi district

Once a ubiquitous beast of burden, the donkey is slowly making its way out of oblivion in Tiruchi as the global beauty industry discovers the benefits of its milk




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High import duties; resisting pressure to open agricultural sector important to ensure India's food security: GTRI

Economic think tank GTRI (Global Trade Research Initiative) in its report said that India needs to cut its reliance on imported vegetable oils to promote better health outcomes and also reduce the import bill




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Mango arrivals in Salem market increase to 40 metric tonnes per day




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Funds trim bearish CBOT soybean bets awaiting Brazil rains




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Worldbeaters: the contrived grandeur of North Korea's Kim family

Kim Jong-un's headline grabbing aggressive irrationalism takes some beating (though he might have met his match in recent times...)




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Truth and reconciliation through education : stories of decolonizing practices / edited by Yvonne Poitras Pratt, Sulyn Bodnaresko ; contributing editors, Patricia J. Danyluk, Elisa Lacerda-Vandenborn.

Edmonton, Alberta : Brush Education Inc., [2023]




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Rethinking writing instruction in the age of AI [electronic resource]: a universal design for learning approach Randy Laist ; with contributions from Nicole Brewer, Cynthia J. Murphy, and Dana Sheehan

Lynnfield, Massachusetts CAST [2024]




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Towards a queer and trans ethic of care in education [electronic resource] : beyond the limitations of white, cisheteropatriarchal, colonial care / Bishop Owis.

New York, NY : Routledge , 2024.




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Bellamkonda Sreenivas on ‘Chatrapathi’ remake: This is our tribute to SS Rajamouli

Actor Bellamkonda Sreenivas talks about his debut in Hindi cinema with the redux of Rajamouli-Prabhas blockbuster ‘Chatrapathi’




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Trial against actor Saif Ali Khan to begin after 11 years in assault case

The trial against actor Saif Ali Khan is likely to begin from June 15 as the court issued summons to witnesses in the case




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Varun Tej, Lavanya Tripathi engaged

Actors Varun Tej and Lavanya Tripathi were engaged at a private ceremony in Hyderabad, attended by their family members including Chiranjeevi, Ram Charan and Allu Arjun




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How cyberattackers tried to execute a $15-million ransomware attack

Maze operators use virtual machines to spread the ransomware



  • Computers & Laptops

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Dirty dozen Mac OS Power tips and tricks

Love it or hate it, Mac OS X has been part of many lives for a long time now



  • Computers & Laptops

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Asus launches new ROG Strix and TUF series laptops in India



  • Computers & Laptops

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The bookshop of the world : the role of the Low Countries in the book-trade, 1473-1941 / edited by Lotte Hellinga ... [et al.] ; assisted by Elaine Paintin.

Goy-Houten : Hes & De Graaf, c2001.




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The first East Indians to Trinidad : Captain Cubitt Sparkhall Rundle and the Fatel Rozack / Dennison Moore, Ph. D.

[United States] : Kindle Direct Publishing, 2020.




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An-My Lê : between two rivers = giữa hai giòng sông = entre deux rivières / [edited by] Roxana Marcoci ; [contributors, La Frances Hui, Joan Kee, Thy Phu, Caitlin Ryan, Monique Truong, Ocean Vuong, Xueli Wang].

New York : The Museum of Modern Art, [2023]




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Creating Belfast : technical education and the formation of a great industrial city, 1801-1921 / Professor Don McCloy.

Dublin : Nonsuch, 2009.




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Silent operas = (Wusheng xi) / by Li Yu ; edited by Patrick Hanan.

Hong Kong : Research Centre for Translation, Chinese University of Hong Kong, 1990.




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Good word guide : the fast way to correct English - spelling, punctuation, grammar and usage / edited by Martin H. Manser ; foreword by Martin Cutts, Plain Language Commission ; consultant editors, Jonathon Green and Betty Kirkpatrick ; compilers, Rosalin

London : A & C Black, 2007.




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Inventario : disegni di figura / Gabinetto disegni e stampe degli Uffizi ; a cura di Annamaria Petrioli Tofani.

Firenze : L.S. Olschki, [1991]-[2004]




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The Asian modern / John Clark ; with introductions by Patrick D. Flores and a contribution from Phoebe Scott ; edited by Julie Ewington.

Singapore : National Gallery Singapore, 2021.




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Surrealism and us : Caribbean and African diasporic artists since 1940 / edited by María Elena Ortiz ; with contributions by María Elena Ortiz, Annette K. Joseph-Gabriel, Negarra A. Kudumu, Lindsey Reynolds, and Ashley Stull Meyers.

Fort Worth, TX : Modern Art Museum of Fort Worth ; New York, NY : DelMonico Books, [2024]