All Reactions and synthesis articles – Page 33
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Research
Carboxylic acid layer integral to titanium dioxide self-cleaning method
Tricky surface analysis reveals unexpected mechanism
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Research
NeuNMR set to enhance understanding of heterogeneous catalysis
Integrated neutron-scattering and NMR method proves much more powerful than the sum of its parts
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Research
Lights – camera – catalysis!
Like thousands of chemists worldwide, Bert Weckhuysen is a keen photographer. More unusually, however, he has found a way to bring his hobby and his research together
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Research
Red–blue light switch pushes equilibrium both ways
Switchable reaction cycle drives bond-making or breaking depending on light colour
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Research
Molecular necklace with record 24 positive charges made
Supercharged catenane squeezes 24 positive charges into five-ring interlocked system
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Research
Radical ion synthesis finally embraces green chemistry
Mechanochemical route to naphthalenediimide radical ions
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Research
Round-the-ring catalysis makes cyclic peptides chiral
Classic hydrogenation catalyst installs multiple stereocentres one by one to create small amino acid rings as single enantiomers
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News
Merck’s €10k synthesis competition will lab test routes
Pharma company offers €10,000 in prize money for retrosynthesis challenge that will bench test finalists’ proposals
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Research
Catalyst comms get specific
Organocatalyst selectively activates in response to light, hydrogen peroxide or acylase to control the rate of an aldol and Michael reaction
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Research
Chameleon boron switches between electrophile and nucleophile
Mida boronates can be either electrophilic or nucleophilic in rearrangement reactions
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Research
Highly reactive carbocations tamed in bond forming reaction
Chemists harness vinyl cations for hydrocarbon synthesis and discover an unusual mechanism along the way
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Research
Silk cocoon-shaped electrocatalyst for water splitting
Cobalt polysulfide shows promise as low-cost alternative to platinum group catalysts
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Research
Antioxidant repair keeps radical reaction running
Repurposed antioxidant’s mechanism-mending properties make tough alkene alkylation possible
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Research
Carbon rings weaved into solvent-cleaning mesh
Tiny pores in conjugated carbon network cleanse organic solvents of impurities
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Research
Heterogeneous catalysts supported on glass wool
Cheap material offers easy way to separate catalysts from reaction mixtures
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Research
Textbook aromatic substitution mechanism overthrown
Established intermediate in nucleophilic aromatic substitution found to be a rare exception rather than the rule
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Research
AI robot tests, predicts and even discovers reactions that are new to chemistry
Robotic chemist finds four unknown reactions and could speed up the discovery of new chemistry
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Feature
Introducing mechanochemistry
Mechanochemical synthesis offers a different way to make compounds. Nina Notman asks whether we should all get grinding
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Research
‘Break it to make it’ reaction to diversify drugs structures
Carbon–carbon bond breaking reaction might make chemists rethink how they build molecules
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Research
Water splitting demonstrated in microgravity
Drop tower experiments show how future oxygen-generating systems could work in space