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Showing 1–6 of 6 results
Advanced filters: Author: Milan Gembicky Clear advanced filters

  • Synthetic methods to generate tertiary nitroalkanes are scarce. Now the cobalt-catalysed synthesis of tertiary nitro-containing compounds under mild conditions from easily available olefins is enabled by a nitro-transfer reagent containing an anomeric amide.

    • Yu Wang
    • Marcell M. Bogner
    • Phil S. Baran
    Research
    Nature Catalysis
    Volume: 8, P: 457-464

  • The isolation of secondary and primary carbon radical species is challenging, owing to their instability. Now the reduction of an acyclic bis(imino)carbene conjugate acid enables the isolation of a stable pentadienyl-type radical. In silico and in vitro probing of its properties reveal a propensity to act as a secondary carbon radical.

    • Ying Kai Loh
    • Levan Gojiashvili
    • Guy Bertrand
    Research
    Nature Synthesis
    Volume: 3, P: 727-731

  • The synthesis and isolation of a crystalline dication derived from a bis(imino)carbene through a two-electron oxidation/oxide-ion abstraction strategy is reported that bypasses the carbene radical cation, maintaining significant electrophilicity with two accessible vacant orbitals.

    • Ying Kai Loh
    • Mohand Melaimi
    • Guy Bertrand
    Research
    Nature
    Volume: 623, P: 66-70

  • Electrophilic borylation of sterically hindered arenes is a challenging transformation. Here, authors report a metal-free electrophilic C–H borylation of hindered arenes using a boron cluster reagent producing valuable aryl boronic esters.

    • Sangmin Kim
    • Joseph W. Treacy
    • Alexander M. Spokoyny
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • The regioselectivity of tandem isomerization/hydrocarbonylation reactions is typically dictated by thermodynamics and there are limitations on the isomerization of internal alkenes. Now, it has been shown that a low-valent-tungsten catalyst controls the isomerization of alkenes to classically challenging unactivated internal positions and, with the aid of a directing group, enables subsequent addition of hydrogen and carbon monoxide.

    • Tanner C. Jankins
    • William C. Bell
    • Keary M. Engle
    Research
    Nature Chemistry
    Volume: 14, P: 632-639