Organic chemistry – Page 26
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OpinionNazarov cyclisation
We are all shaped by the opportunities afforded us, by the social structures and politics of our day
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Research100 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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ResearchMethod 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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OpinionChemists 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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ResearchPalladium 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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OpinionTaking benzyl fluorides beyond game changing reports
Decarboxylative cross-coupling to produce benzyl fluorides
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ResearchHeatmap software shows location and extent of strain in cyclic molecules
Visual bridge between physical and organic chemistry
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Research3D-printed case wraps catalyst around magnetic stirrer
Solidified resin case impregnated with organocatalyst is easy to remove and reuse
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ResearchAlgorithm 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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ResearchMirror-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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ResearchProgram 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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ResearchCounterintuitive 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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![An image showing a [2]catenane](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/0/0/4/504004_fja0c01757_0007.jpeg_49119.jpg)
ResearchMechanical protecting group shields molecules from stress and strain
Catenane makes force-activated molecules more resistant mechanical bond breaking
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ResearchStructure-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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ResearchAutomated 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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ResearchRegiodivergent synthesis creates various medium-sized rings from same reagents
Temperature and solvent direct reaction output
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ResearchProzac 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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OpinionNeil Garg: ‘My brain is always turning’
The synthetic chemist and communicator on parenting and putting on a show
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ResearchFirst colour-changing crystal glow could make for safer banknotes
New type of blue-to-orange luminescence discovered in organic material