Reaction mechanisms – Page 2
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FeatureEditing the structure of molecules
Nina Notman meets the chemists expanding the toolbox of reactions capable of adding, deleting and switching single atoms in rings at the heart of organic molecules
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ResearchSurprise as electric fields found to cleave bond homolytically
Study also uncovers that the reaction rate in a field increases linearly with the solvent dielectric constant
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ResearchAI model accurately classifies reaction mechanisms
Machine learning ‘surpasses chemist experts’ in identifying chemical processes
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ResearchTime-resolved spectroscopy shines new light on migratory insertion mechanism
Using lasers to probe metal-centred reactions leads to new understanding of highly reactive catalytic intermediates
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ResearchWater works as a monomer in polymer synthesis
Water monomers form direct linkages in polymer backbones when used to synthesise polyethersulfones
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ResearchSpotlight shone on sped up photochemical reactions in droplets
Light can produce ‘hot spots’ in aerosols that supercharge reaction rates
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ResearchMicroscopy unveils piece-by-piece formation of 2D covalent polymers
New results provide ‘fundamental insights’ on the growth of covalent organic framework monolayers
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OpinionWe need our simple symbols, but machines might not
Will the curly arrow still be with us in another 100 years?
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OpinionA century of curly arrows
Celebrating the simple symbols that – along with their straight counterparts – encapsulate complex chemical behaviours
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FeatureWiring up organic synthesis
James Mitchell Crow talks to the organic chemists using electrochemistry to add or remove electrons to their molecules at the flick of a switch
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ResearchExploiting evolution to explore chemical space shows promise for drug discovery
Using molecular trees – similar to family trees – chemists could predict how products will evolve to make new molecules
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ResearchMöbius metallacycles show their aromaticity with textbook reactivity
First electrophilic aromatic substitution reactions with unusual molecules
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ResearchBlue light squeezes out heteroatoms from small rings
Photochemical ring editing reaction allows complete molecular shape change in a single step
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ResearchTransient spectroscopy sheds light on elusive photoredox process
Study confirms mechanism of sensitisation-initiated electron transfer reaction following extended debate
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ResearchChemists control reaction path with mechanical force
Mechanochemical mechanism exploited to access unconventional trajectories on a reaction’s potential energy surface
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ResearchSynthetic overhaul for hepatitis C drug could ease manufacturing demands
Chemists hope their five-step synthesis will increase global accessibility of uprifosbuvir and other lifesaving antivirals
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ResearchIodine revealed to be killer species that destroys tin-based perovskites
New insights into the mechanism that inactivates tin solar cells could lead to greener, more efficient devices
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OpinionFree radicals for post-translational modification
A technique for forming new carbon–carbon bonds at specific sites in proteins
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ResearchReaction confined between copper nanopyramids transforms carbon dioxide into ethylene glycol
Copper arrangement promotes C–C coupling and lowers formation barrier for a key intermediate
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ResearchRe-evaluating pyridine’s role in chlorination reaction
Well-established mechanism for chlorination using dichloroiodobenzene together with pyridine proven wrong