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Aromatic hydrocarbon belts

Nature Chemistry, Published online: 15 April 2021; doi:10.1038/s41557-021-00671-9Aromatic hydrocarbon belts consisting of fully fused benzenoid rings have fascinated scientists for over half a century. This Review revisits the protracted historical background of these compounds and features some recent breakthroughs in their rational design and synthesis,...

A three-shell supramolecular complex enables the symmetry-mismatched chemo- and regioselective bis-functionalization of C<sub>60</sub>

Nature Chemistry, Published online: 15 April 2021; doi:10.1038/s41557-021-00658-6A supramolecular three-shell matryoshka-like complex di rects the functionalization of the C60 inner shell to the selective formation of a single trans-3 fullerene bis-adduct. The selectivity with this matryoshka-like approach could be useful for applications where regioisomerically...

Magnetic ordering through itinerant ferromagnetism in a metal–organic framework

Nature Chemistry, Published online: 15 April 2021; doi:10.1038/s41557-021-00666-6The development of metal–organic magnets that combine tunable magnetic properties with other desirable physical properties remains challenging despite numerous potential applications. Now, a mixed-valent chromium–triazolate material has been prepared that exhibits itinerant...

Cellular uptake of large biomolecules enabled by cell-surface-reactive cell-penetrating peptide additives

Nature Chemistry, Published online: 15 April 2021; doi:10.1038/s41557-021-00661-xRobust delivery of proteins into cells is challenging, but it has now been shown that by conjugating arginine-rich cell-penetrating peptides to the surface of cells, proteins containing a cell-penetrating peptide can be delivered efficiently into them. Using a thiol-reactive...

A far-red hybrid voltage indicator enabled by bioorthogonal engineering of rhodopsin on live neurons

Nature Chemistry, Published online: 15 April 2021; doi:10.1038/s41557-021-00641-1Voltage imaging is a powerful technique for studying electrical signalling in neurons. A palette of bright and sensitive voltage indicators has now been developed via enzyme-mediated ligation and Diels–Alder cycloaddition. Among these, a far-red indicator faithfully reports...

Asymmetric, visible light-mediated radical sulfinyl-Smiles rearrangement to access all-carbon quaternary stereocentres

Nature Chemistry, Published online: 08 April 2021; doi:10.1038/s41557-021-00668-4The assembly of a single configuration of an all-carbon quaternary centre within acyclic systems remains a challenge for synthetic chemists. Now, it has been shown that α-all-carbon quaternary centres can be installed in acyclic amides, with excellent levels of absolute...

Stereo- and regiodefined DNA-encoded chemical libraries enable efficient tumour-targeting applications

Nature Chemistry, Published online: 08 April 2021; doi:10.1038/s41557-021-00660-yA DNA-encoded chemical library based on regio- and stereoisomers of phenylalanine has been synthesized and used for affinity-based selections against multiple target proteins. This approach led to the isolation and validation of potent ligands capable of CAR T-cell activation...

Free-triplet generation with improved efficiency in tetracene oligomers through spatially separated triplet pair states

Nature Chemistry, Published online: 08 April 2021; doi:10.1038/s41557-021-00665-7The overall efficiency of free-triplet generation from intramolecular singlet fission is limited by the efficiency of the dissociation of spatially adjacent triplet pairs. Now, using transient magneto-optical spectroscopy, it has been shown that this limitation can be overcome...

An asymmetric smile

Nature Chemistry, Published online: 07 April 2021; doi:10.1038/s41557-021-00664-8The formation of all-carbon quaternary centres is a challenging problem in organic chemistry, with far-reaching implications for functional molecule discovery. Now an inventive solution has been developed, using sulfinamides as traceless linkers for an asymmetric radical...

Synthesis of monophosphines directly from white phosphorus

Nature Chemistry, Published online: 05 April 2021; doi:10.1038/s41557-021-00657-7State-of-the-art industrial methods for transforming P4 into useful phosphorus compounds currently rely on indirect, multi-step strategies. It has now been shown that straightforward one-pot reactions can convert P4 directly into industrially relevant products while requiring...

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