Organic chemistry – Page 22
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![An image showing the bonding pattern of [2]catenane](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/2/8/7/503287_c9cc09483kf2_286914.png)
ResearchAromaticity lends stability to carbon-only catenanes
Catenanes of newly discovered C18 rings are theoretically possible thanks to the kinetic quirks of aromaticity
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PodcastHydroquinone
Georgia Mills on a compound that explodes from a beetle’s bum, and has a controversial role in skin depigmentation
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ResearchNickel catalyst switches on double stereochemistry in reaction between racemic alkanes
First-of-its-kind reaction creates stereocentres by stitching together racemic nucleophiles and electrophiles
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![An image showing a thermal ellipsoid plot of [Co(acac)(DPPBz)(THF)]+](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/1/1/2/503112_thumbhoodsom20013120_936160.png)
ResearchCobalt makes a comeback in hydroformylation catalysis
Cationic cobalt catalyst could drive down costs in widely-used process
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OpinionExploring nickel reactivity in C–H activation chemistry
Coming closer to an alternative for palladium
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ResearchSugars designed to disrupt bacterial cell wall biosynthesis
Rare monosaccharides explore concept for new narrow-spectrum antibiotics
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ResearchSynthetic strategy exploits fluxional nitrogen to deliver three chiral centres for the price of one
Innovative method amplifies chirality and complexity in medicinally relevant cyclic hydrazines
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Research‘Inside-out’ chirality discovered by chance could have been missed in many molecules
A structure assignment odyssey finds a natural product with a type of isomerism never before seen in small molecules
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ResearchMixed oxidation states expand repertoire of hypervalent iodine reagents
Iodine(iii) and iodine(v) coexist in new nitroiodoxybenzene-based oxidant
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PodcastVitamin B12 or Cobalamin
If you’re trying out a vegan diet, you’re likely to be told to make sure you get enough vitamin B12. But what is B12, where do we get it from, and how can we be sure we’re getting enough?
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ResearchProgram finds 5 million synthetic routes to complex chemicals
Only around five hundred ‘tactical combinations’ for advanced organic synthesis existed – until Chematica was let loose on the problem
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Feature
Can chemists crack our cells’ sugar code?
Rachel Brazil talks to the scientists trying to understand the sweet mystery of the glycome
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ResearchTotal synthesis of H. pylori antigen creates starting point for gastric cancer vaccine
Remote participation strategy helps chemists make sterically-congested repeating fragment
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PodcastIminosugars
After some promising results treating ill pets, some researchers think iminosugars could become treatments for infection and even cancer. Mike Freemantle explores the buzz around iminohoney
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ResearchSimple way to construct molecules with perfluoroalkyl bridges
Troublesome side reaction becomes useful synthetic tool
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NewsOpen access Atlas maps out microbial natural products
Project aims to accelerate research on microbial metabolites
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OpinionCleaning up chemical kitchens
In a busy plant, ensuring small changes don’t produce unforeseen toxic impurities is key
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