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Showing 1–4 of 4 results
Advanced filters: Author: Giacomo E. M. Crisenza Clear advanced filters

  • Substituted bicyclo[2.1.1]hexanes (BCHs) are emerging bicyclic hydrocarbon bioisosteres for ortho- and meta-substituted benzenes, but are difficult to access. Now a SmI2-catalysed intermolecular coupling of bicyclo[1.1.0]butyl ketones and alkenes provides a general approach to access substituted BCHs, thus promoting their widespread use in medicinal chemistry and crop science.

    • Soumitra Agasti
    • Frédéric Beltran
    • David J. Procter
    Research
    Nature Chemistry
    Volume: 15, P: 535-541

  • A chiral (η3-allyl)iridium(iii) complex has previously been used to catalyse enantioselective allylic substitution reactions in the polar domain. Now, it has been shown that the visible-light excitation of this iridium complex unlocks an otherwise inaccessible radical-based pathway to achieve enantioselective alkyl–alkyl cross-coupling reactions between allylic alcohols and radical precursors.

    • Giacomo E. M. Crisenza
    • Adriana Faraone
    • Paolo Melchiorre
    Research
    Nature Chemistry
    Volume: 13, P: 575-580

  • Photoactivation of EDA complexes was previously limited to electronically biased partners to secure productive charge-transfer interactions. Now, the participation of triarylsulfonium salts—formed by selective C–H sulfenylation—in photoactive EDA complexes with catalytic triarylamine donors provides a site-selective and metal-free strategy for the generation of aryl radicals and the formal C–H functionalization of native arenes.

    • Abhishek Dewanji
    • Leendert van Dalsen
    • David J. Procter
    Research
    Nature Chemistry
    Volume: 15, P: 43-52

  • Can organic chemistry mimic nature in efficiency and sustainability? Not yet, but recent developments in photoredox catalysis animated the synthetic chemistry field, providing greener opportunities for industry and academia.

    • Giacomo E. M. Crisenza
    • Paolo Melchiorre
    Comments & OpinionOpen Access
    Nature Communications
    Volume: 11, P: 1-4