Organic chemistry – Page 22
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Opinion
Nazarov cyclisation
We are all shaped by the opportunities afforded us, by the social structures and politics of our day
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Research
100 unit sugar breaks record for longest synthetic carbohydrate
Longest linear polysaccharide was made in a 201-step automated synthesis that took only eight days
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Research
Method decorates cubane with multiple aromatic groups
Di-, tri- and tetra-arylcubanes created by directed ortho-C–H metalation and palladium-catalysed cross-coupling
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Opinion
Chemists amid coronavirus: Sarah Reisman
Work hasn’t slowed for the head of a Caltech synthetic organic chemistry lab, but now she’s doing it from home with her two young children
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Research
Palladium catalyst voyage prompts carbon–carbon bond formation rethink
Suzuki–Miyaura cross-coupling catalyst atoms leach away but then return to their supports
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Opinion
Taking benzyl fluorides beyond game changing reports
Decarboxylative cross-coupling to produce benzyl fluorides
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Research
Heatmap software shows location and extent of strain in cyclic molecules
Visual bridge between physical and organic chemistry
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Research
3D-printed case wraps catalyst around magnetic stirrer
Solidified resin case impregnated with organocatalyst is easy to remove and reuse
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Research
Algorithm can map scores of possible chemical transformations for any set of reactants
New tool could help scientists to control the properties of target molecules by simply switching the reaction while using the same starting materials
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Research
Mirror-symmetry breaking reaction’s mechanism solved after 25 years
Cube escape and enzyme-like binding mechanism behind idiosyncrasies of the autocatalytic asymmetry-amplifying Soai reaction
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Research
Program that automatically interprets NMR spectra is boon for structure elucidation
Raw NMR data takes 60 seconds, rather than eight hours, to go from spectrometer to structure
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Research
Counterintuitive catalyst gives purer products when used in less enantiopure form
Unusual example of ‘hyperpositive’ nonlinear effect is a first for asymmetric catalysis
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Research
Mechanical protecting group shields molecules from stress and strain
Catenane makes force-activated molecules more resistant mechanical bond breaking
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Research
Structure-based AI tool can predict wide range of very different reactions
Molecular properties, enantioselectivities, yields and relative conversion can all be modelled by the same program
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Research
Automated radial synthesis could usher in era of chemistry ‘server farms’
System to streamline small molecule production could bring state-of-the-art chemistry to many more teams
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Research
Regiodivergent synthesis creates various medium-sized rings from same reagents
Temperature and solvent direct reaction output
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Research
Prozac and methamphetamine likely responsible for toxins in tap water
Antidepressant and stimulant amine drugs are potential precursors for some of the most toxic compounds formed during water disinfection
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Opinion
Neil Garg: ‘My brain is always turning’
The synthetic chemist and communicator on parenting and putting on a show
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Research
First colour-changing crystal glow could make for safer banknotes
New type of blue-to-orange luminescence discovered in organic material