Carboxylative cyclization of atmospheric CO2 with alkynol catalyzed by a 1-methylhydantoin anion-functionalized ionic liquid via chelative interactions
DOI: 10.1039/D4CC03586K, Communication
[1-MHy]− acts as a “pincer ligand” to form chelative interactions with –OH to enhance MBY activation, thus ensuring efficient [P4442][1-MHy]-catalyzed reaction of atmospheric pressure CO2 with MBY under metal- and solvent-free conditions.
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Palladium catalyzed C(sp3)-H alkylation of 8-methylquinolines with aziridines: access to functionalized γ-quinolinylpropylamines
DOI: 10.1039/D4CC05275G, Communication
Palladium-catalyzed directed site-selective C(sp3)-H alkylation of 8-methylquinolines has been accomplished using aziridine as an alkylating source via a sequential C-H and C-N bond activation. Site selectivity, funtional group tolerance and...
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Base-Promoted Cascade 5-exo-dig Annulation/Carboxylation of o-(1-Alkynyl)benzenesulfonamides with CO2: Divergent Synthesis of Mono- or Gem-dicarboxylic Esters
DOI: 10.1039/D4CC05239K, Communication
A base-promoted cascade 5-exo-dig cyclization/carboxylation of o-alkynylsulfamides with CO2 has been accomplished, furnishing a variety of benzosultams-containing acrylates in good yields by using CO2 as the carboxylic source. Notably, in...
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Iron-catalysed intramolecular C(sp3)–H amination of alkyl azides
DOI: 10.1039/D4CC04169K, Feature Article
This review summarizes recent major advances in iron-catalysed C–H aminations of alkyl azides through iron–alkylnitrene/alkylimido intermediates to access various N-heterocycles.
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Magnesium(II) complexes supported by indole- and pyrrole-containing Schiff-base ligands: syntheses, structures, and applications as precatalysts in the hydroboration of nitriles and alkynes
DOI: 10.1039/D4NJ00492B, Paper
Five magnesium compounds were synthesized. They are active precatalysts for the hydroboration of nitriles and alkynes. The catalytic reactions feature mild reaction conditions, excellent functional group tolerance, and high yields.
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Rhodium-catalysed homo-coupling of terminal alkynes: divergent synthesis of bioactive 1,3-diynes and conjugated enediynes
DOI: 10.1039/D4NJ00366G, Paper
C(sp)–C(sp) cross-coupling of terminal alkynes represents a robust tool for building biologically active 1,3-diynes although confronted with huge challenges regarding selectivity control.
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Self-Sacrificial templated-directed synthesis of ultrathin 0D/2D FeNi3-NC/NiFeOx Schottky junction as hydrogen evolution reaction electrode for alkaline seawater electrolysis
DOI: 10.1039/D4NJ01321B, Paper
Seawater, a plentiful natural resource, is promising for hydrogen production compared to traditional electrocatalytic methods based on high-purity freshwater. This strategy shift addresses the challenge of limited freshwater resources and...
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2024/11/10 (Toronto): Damian Tarnopolsky at Junction Reads
Damian Tarnopolsky (Every Night I Dream I’m a Monk, Every Night I Dream I’m a Monster) joins Anna Dowdall (The Suspension Bridge, Radiant Press) and […]
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2024/12/01 (Toronto): Damian Tarnopolsky at Bright Lit, Big City
Damian Tarnopolsky (Every Night I Dream I’m a Monk, Every Night I Dream I’m a Monster) at the Bright Lit, Big City reading series. WHEN: […]
The post 2024/12/01 (Toronto): Damian Tarnopolsky at Bright Lit, Big City appeared first on Freehand Books.
Synthesis and structural trends in a series of simple tetraalkylphosphonium salts
DOI: 10.1039/D4CE00210E, Paper
A series of sulfates (S) and hydrogen sulfates (HS) containing tetramethylphosphonium (TMP), tetraethylphosphonium (TEP) and tetrabutylphosphonium (TBP) cations have been prepared from the respective bromides using ion metathesis reactions. The...
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Ease of NPS account opening: PFRDA allows digital onboarding through Central KYC
Central KYC (CKYC) is managed by CERSAI, which is government authorised entity to function as Central KYC Registry
Can the Dark Sky Reserve at Hanle be a gamechanger for stargazing in India?
As Hanle in Ladakh is poised to have India’s first Dark Sky Reserve, prospects for stargazing and astro tourism shine bright
Olympic gold medallist Neeraj Chopra sky dives, paraglides and hikes around Switzerland, between servings of fondue
The javelin thrower has been roped in as the Friendship Ambassador of Switzerland. He also donated his gold-winning javelin to the The Olympic Museum in Lausanne
Complete re-KYC of PMJDY accounts in mission mode, Finmin tells banks
The refugee advantage [electronic resource] : English-language attainment in the early twentieth century / Ran Abramitzky, Leah Platt Boustan, Peter Catron, Dylan Connor, Rob Voigt
How do firms respond to state retirement plan mandates? [electronic resource] / Adam Bloomfield, Kyung Min Lee, Jay Philbrick, Sita Slavov
Rakul-Jackky's First Ganpati
Film folk celebrate Ganesh Chaturthi by bringing Lord Ganesha home and making beautiful memories on social media.
How Vicky Helps Kat With Her Struggles
'He'll sit there and go, 'Aren't you the one who keeps telling everyone it's Kay to be You and it's okay to be you however you are?''
Gujarat DDU-GKY Program: Over 30,000 rural youth trained, 450 receive job appointment letters
Metal- and light-free decarboxylative direct C–H alkylation of heteroarenes at room temperature
DOI: 10.1039/D4OB00187G, Paper
This study reports a metal- and light-free decarboxylative C–H alkylation of heteroarenes at room temperature.
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Dehydrative alkynylation of 3-hydroxyisoindolinones with terminal alkynes for the synthesis of 3-alkynylated 3,3-disubstituted isoindolinones
DOI: 10.1039/D4OB00190G, Paper
A HOTf or Fe(OTf)3-catalyzed dehydrative alkynylation of 3-hydroxyisoindolinones with terminal alkynes was developed, which represents a brand-new procedure for the synthesis of 3-alkynylated 3,3-disubstituted isoindolinones.
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HFIP-mediated C-3-alkylation of indoles and synthesis of indolo[2,3-b]quinolines & related natural products
DOI: 10.1039/D4OB00414K, Paper
An expeditious metal free C-3 alkylation of indoles and its NIS-mediated deviation to indolo[2,3-b]quinolines is reported. Applications of these strategies in accessing bioactive natural products have also been demonstrated.
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A copper-catalyzed asymmetric Friedel–Crafts hydroxyalkylation of pyrazole-4,5-diones with 5-aminoisoxazoles
DOI: 10.1039/D4OB00322E, Communication
An asymmetric Friede-Crafts hydroxyalkylation reaction was developed under the catalysis of chiral copper complexes. A variety of pyrazolone derivatives were obtained with excellent yields and enantioselectivities.
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The synthesis of alk-2-ynl Weinreb amides via Pd/Cu-catalysed oxidative carbonylation of terminal alkynes
DOI: 10.1039/D4OB00290C, Paper
Synthesis of alk-2-ynl-Weinreb amides via Pd-catalyzed oxidative carbonylation of terminal alkynes and N,O-dimethylhydroxylamine hydrochloride at room temperature under low CO/O2 pressure is reported for the first time.
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Vinylogous and stereoselective domino synthesis of pyrano[2,3-c]pyrroles from alkylidene meldrum's acids
DOI: 10.1039/D4OB00233D, Communication
An expeditious diatereoselective synthesis of pyrano[2,3-c]pyrroles thanks to a domino Vinylogous aza-Michael-Aldol-Cyclocondensation (aza-VMAC) reaction to alkylidene Meldrum's acid derivatives.
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Photogenerated chlorine radicals activate C(sp3)–H bonds of alkylbenzenes to access quinazolinones
DOI: 10.1039/D4OB00129J, Communication
An Fe-catalyzed visible-light induced condensation of alkylbenzenes with anthranilamides has been developed.
The content of this RSS Feed (c) The Royal Society of Chemistry
Synthesis of alkynyl sulfides via base-promoted nucleophilic ring-opening of α-bromostyrene sulfonium salt
DOI: 10.1039/D4OB00203B, Communication
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.
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Nickel-catalysed regio- and stereoselective hydrocyanation of alkynoates and its mechanistic insights proposed by DFT calculations
DOI: 10.1039/D4OB00380B, Communication
This work discloses the origin of regio- and stereoselectivity of hydrocyanation of alkynoates.
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Cu(OTf)2/HFIP catalyzed regioselective cycloisomerization of indole-C3-functionalized alkynols to carbazoles
DOI: 10.1039/D4OB00421C, Communication
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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Isothiocyanates: Happy-Go-Lucky Reagents in Organic Synthesis
DOI: 10.1039/D4OB00281D, Review Article
: Owing to their unique structural features, isothiocyanates (ITCs) are a class of highly useful and inimitable reagents as the N=C=S group serves both as electrophile and nucleophile in organic...
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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
Global shipping lines look skywards
Container carriers launch freighters to offer integrated services and expand their transport offerings
'Comparisons With Vicky Used To Irritate'
'That comparison, "Oh look at Vicky, do you also see yourself being that successful in life?"' 'Vicky has seen a lot and done a lot and he is where he is. I feel really happy about it.''But I have my own journey.'
‘Keedaa Cola’ teaser: Director Tharun Bhascker returns with a wacky crime comedy
Director and actor Tharun Bhascker Dhaasyam’s new Telugu crime comedy ‘Keedaa Cola’ stars Brahmanandam, Rag Mayur, Chaitanya Rao, Raghu Ram and others
Blue sky green sea and other stories / by Liu Sola ; translated by Martha Cheung.
Henry Moore : in the light of Greece / exhibition curator, Roger Cardinal ; catalogue editorial supervision and co-ordination, Kyriakos Koutsomallis, Elizabeth Plessa.
Who's afraid of contemporary art? : an A to Z guide to the art world / Kyung An and Jessica Cerasi.
L'art médiéval est-il contemporain? = Is medieval art contemporary? / édité par Charlotte Denoël, Larisa Dryansky, Isabelle Marchesin and Erik Verhagen.
Scotland's secret history : the illicit distilling and smuggling of whisky / Charles MacLean and Daniel MacCannell ; compiled and edited by Marc Ellington.
The creaky traveler in Ireland : Clare, Kerry, and West Cork : a journey for the mobile but not agile / by Warren Rovetch.
Autocomplete Interview - Ricky Gervais Answers the Web's Most Searched Questions
Ricky Gervais answers the internet's most searched questions about himself. How does Ricky Gervais pronounce his name? Is Ricky a US citizen? Why did Ricky Gervais roast Hollywood? Is he wealthy? Is he related to David Bowie? Ricky answers all these questions and much more! Season 2 of “Afterlife” is streaming now on Netflix
Obsessed - How This Girl Takes Indoor Skydiving to the Next Level
Sydney Kennett is one of the world's best indoor skydivers. The 14-year-old champion moves with the grace of a ballerina inside wind tunnels that propel air in excess of 100 miles per hour. Sydney holds numerous top prizes at competitions around the world, and she's even a Guinness World Record holder.
RE:WIRED 2021: Yoky Matsuoka on Maintaining Agency When Using AI
Yoky Matsuoka, founder and CEO of the personal assistant service Yohana, shares how we can leverage AI without letting it do everything for us.
Obsessed - How This Guy Mastered the Slinky
Did you play with slinkys when you were younger? Josh Jacobs has taken a childhood toy and turned it into a visually stunning art form. Slinky manipulation is a fairly new practice, starting around 2010. Josh got into "slinking" eight years ago when watching an incredible Chinese performer do things he never thought possible with a slinky. Now, Josh is one of the best slinky manipulators in the world. Check out Josh's channel here: https://www.youtube.com/@SlinkyJosh Director: Charlie Jordan Director of Photography: Colin Witherill Editor: Richard Trammell Talent: Joshua "Slinky Josh" Jacobs Producer: Wendi Jonassen Line Producer: Joseph Buscemi Associate Producer: Melissa Cho Production Manager: Eric Martinez Production Coordinator: Fernando Davila Audio: Ted Thacker Cam Op/Gaffer: Alex Witkowicz Production Assistant: Daniel Ellis Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Ben Harowitz
Tech Support - Genndy Tartakovsky Answers Animation Questions From Twitter
Animator Genndy Tartakovsky answers the internet's burning questions about animation and cartooning. Why are there so many cartoon characters that don't wear pants? Why are Genny's Clone Wars episodes so short? How does one direct an animated show? What's the difference between animation and a cartoon? Genndy answers all these questions and much more. New episodes of “Unicorn: Warriors Eternal” premiere Thursdays at midnight on Adult Swim and next day on HBO Max. Encores air Fridays at 7pm on Adult Swim and Saturdays on Toonami. Director: Sean Dacanay Director of Photography: Matthew Sweeney Editor: Jordan Calig Expert: Genndy Tartakovsky Senior Producer: Efrat Kashai Creative Producer: Justin Wolfson Line Producer: Joseph Buscemi Associate Producer: Paul Gulyas Production Manager: Peter Brunette Production Coordinator: Kevin Balash Talent Booker: Paige Garbarini Camera Operator: Shay Eberle-Gunst Audio: Gray Thomas-Sowers Production Assistant: Ariel Labasan Groomer: Vanessa Rene Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Additional Editor: Paul Tael Assistant Editor: Justin Symonds
The Innovation Behind Delta’s Living Room In The Sky
Branded Content by Delta Air Lines | Imagine an in-flight experience tailored just for you. Delta Air Lines is pioneering personalized entertainment solutions, from resuming films on connecting flights to delivering luggage status updates on your screen. Tech journalist Saira Mueller and Delta’s Managing Director of Customer Experience, Ekrem Dimbiloglu, sit down to discuss how Delta is transforming its service to offer a truly customized travel experience.
Autocomplete Interview - Valkyrae Answers The Web's Most Searched Questions
Streamer, YouTuber and 100 Thieves co-owner Valkyrae visits WIRED to answers her most searched questions from Google. What is her gaming setup like? Where does Valkyrae stream? When did she first blow up? Where does Valkyrae get her swords? What's Valkyrae's real name? What rank is she in Valorant? Valkyrae answers all these questions and plenty more on the WIRED Autocomplete Interview. Director: Justin Wolfson Director of Photography: AJ Young Editor: Cory Stevens Talent: Valkyrae Line Producer: Joseph Buscemi Associate Producer: Paul Gulyas Production Manager: Peter Brunette Production Coordinator: Rhyan Lark Talent Booker: Mica Medoff Camera Operator: Lucas Vilicich Sound Mixer: Paul Cornett Production Assistant: Lauren Boucher Post Production Supervisor: Christian Olguin Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Additional Editor: JC Scruggs Assistant Editor: Billy Ward