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A Highly Diastereoselective One-Pot Ugi/Radical Spirocyclization/Aza-Michael Addition Sequence

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00610K, Communication
Chandra Volla, Salman Khan, Abhradeep Chatterjee, Akshay Murali Nair
We hereby report a highly diastereoselective synthesis of chalcogenated azaspirotricycles via a one-pot Ugi/spirocyclization/ aza-Michael addition sequence. The reaction proceeded via a key visible light mediated spirocyclization step under mild,...
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New Generation of Highly Reactive Allylborating Agents For Cu(I)-Catalyzed Allylation of Chiral Sulfinylimines

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00291A, Paper
Michael S. Alexeev, Tatyana V. Strelkova, Michail M. Ilyin, Jr., Yulia V. Nelyubina, Ivan A. Bespalov, Michael Medvedev, Victor N Khrustalev, Nikolai Kuznetsov
The implementation of selective catalytic processes with highly active reagents is an attractive strategy that meets modern principles of sustainable development of chemistry. In the current study, we for the...
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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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Regioselective synthesis of 4-arylamino-1,2-naphthoquinones in eutectogel as a confined reaction medium using LED light

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00140K, Communication
R. Vara Prasad, Yogendra Kumar, R. Arun Kumar, Tohira Banoo, Subbiah Nagarajan
The use of a simple carbohydrate-derived eutectogel facilitating a LED-light-induced regioselective synthesis of 4-arylamino-1,2-naphthoquinones in good yields is reported.
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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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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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Base- and sulfur-promoted oxidative lactonization of chalcone-acetate Michael adducts: access to pyran-2-ones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00479E, Communication
Cao Nguyen Nguyen, Duc Toan Nguyen, Ha An Tran, Dinh Hung Mac, Thi Thu Tram Nguyen, Pascal Retailleau, Thanh Binh Nguyen
A cost-effective, practical, straightforward and scalable synthesis of α-pyrones via base- and sulfur-promoted annulation of phenylacetates and chalcones is reported.
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Visible light-driven photocatalytic sulfonative oxidation of benzyl secondary amines

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00348A, Paper
Yong-Xiang Lü, Xinqian Wang, Ying-Ming Pan, Keyume Ablajan
A method for the α-oxidation and sulfonation of benzyl secondary amines was developed utilizing Ir(III) or Eosin Y as the photocatalyst in the presence of O2 as a green oxidant....
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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....
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The Hobbit Experience 2014: Adding WebRTC gameplay to the Hobbit Experience

Learn how North Kingdom built an immersive multimedia experience optimized for modern mobile browsers using Web RTC




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Rolling out Public Key Pinning with HPKP Reporting




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Tab Discarding in Chrome: a Memory-Saving Experiment




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History API: Scroll Restoration




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Empathy is the need of the hour

Demand for proactive customer services




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Tickets to safe flying

A list of the top Covid-19-compliant airlines




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Year-end blues for beleagued airlines

The results of IndiGo and SpiceJet hold clues to the mid-term future of the country’s airline industry




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Why Mount Everest is a no-fly zone

Hurricane-force winds and frequent snowstorms are obstacles




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Flying cheap

India hardly has any ‘low-cost’ airline, there are only ‘low-fare’ ones




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How bad is truly bad

Turns out no weather condition is better or worse for flying




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Regional airlines fly into rough weather

From poor applicability of policy to lack of quality manpower and capital, problems plaguing them are manifold




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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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Indian aviation: A study in paradox

Accurate reading of the market is critical




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Domestic air travel leads airline recovery: Boeing

Low-cost carriers aid market with point-to-point structure and affordable rates




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Pandemic: Contactless technology on an overdrive

As demand for travel rises, industry must meet it while ensuring passenger safety




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Pick the rear seats to fly safe

Passengers who pick a seat near the tail of an aeroplane are more likely to survive a crash




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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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A frequent flier’s tip on flying

Covid tip: pick the last seat because “nobody coughs backwards”




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Omicron: Airlines on a wing and prayer

Over 3,000 flights were cancelled on the eve of Christmas and cancellations are expected to double as New Year approaches




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Those magnificent flying machines

The aviation industry’s roller-coaster ride




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Lost your baggage in transit? You might find it in Alabama

Every year, nearly 25 million bags are lost in transit out of 4.3 billion 




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Women who fly

The Indian aviation industry must present equal opportunities to both genders




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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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Another tough year for airlines

Ukraine-Russia conflict to result in the steep escalation of aircraft leasing charges




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Aviation industry shifts focus to digital

The pandemic has helped usher in automated touchpoints for tech-savvy flight passengers




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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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First-ever gravity-defying plane swap set for April 24

Two pilots will swap planes mid-air




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Domestic airline industry may face a rejig

The pandemic laid bare fault-lines within India’s airlines




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Insolvency of aircraft operator: default remedies.

India should adopt Cape Town Convention as part of the domestic legal framework.




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Evolution of security in aviation

Data and technology need to be adopted




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How cabin pressure plays a key role

Ensures adequate levels of oxygen in the air




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Leisure travel seeing a V-shape recovery

Airlines are scaling up their network to capitalise on summer season travel demand




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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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Do pilots really need to be good at maths?

Being accurate with calculations can never go wrong




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Airlines test willingness to pay higher airfares

Key reasons behind the move include rising fuel prices, rupee’s weakness and losses incurred due to the pandemic 




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Decarbonising flying

IATA shares proposes 65 per cent of aviation-emitted carbon will be abated through sustainable aviation fuel




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Travel now, pay later

Revenge travel has led to an increase in ‘buy now, pay later’ aggregators




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Redressing flaws: IndiGo needs to tweak its way

How the human element can help the airline appease passengers and employees




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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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Yoke vs. sidestick: Jury still out on what works best for pilots

Why do Airbus commercial aircraft have sidesticks and Boeing have yokes as control units?