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This Special Issue will celebrate the chemistry and biology of peptides, from synthesis, to structure and modifications, to biology and applications, and finally to degradation. Submit your manuscript...

In the CAZy classification of carbohydrate-active enzymes, the GH-Q clan regroups three distantly related glycoside hydrolase (GH) families: GH94, GH149, and GH161. These families contain glycoside ph...

We describe for the first time an effective copper–iron-catalyzed cross-coupling strategy that enables the reaction for a diverse array of ortho-substituted primary (hetero)aryl and aliphatic sulfonam...

In situ transmission electron microscopy (TEM) provides a means for capturing atomic-resolution micrographs under reactive environments and has been widely employed to identify active site candidates ...

The Rh2(esp)2 and Zn(II)-bisoxazoline (BOX) complex-cocatalyzed asymmetric diamination of in situ generated difluoroenol species with azocarboxamides has been disclosed. This reaction features a formal [3 + 2]-cycloaddition reaction using difluoroenol intermediate as a C2 synthon, providing an efficient and robust approach for the synthesis of difluorinated imidazolidin-2-ones in good yields with high to excellent stereoselectivity (up to 95% ee). This method offers a complementary approach for the direct assembly of chiral difluoromethylene incorporated heterocycles by introducing in situ formed difluoroenol species as a practical C2 synthon rather than using presynthesized gem-difluoroalkenes. With this protocol, further synthetic applications in fluorine chemistry could be envisioned through the strategic interception of difluoroenol via cycloaddition reactions with appropriate partners.

A zinc iodide-mediated [3 + 2] cyclization between donor–acceptor cyclopropanes and ammonium thiocyanate has been developed to afford 2-imino-tetrahydrothiophene derivatives under mild conditions. Sub...

Advancements in the field of C(sp2)–C(sp3) cross-coupling using alcohols as feedstocks have resulted in widespread adoption in analogue synthesis. Using high-throughput experimentation, an in situ alc...