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Showing 1–5 of 5 results
Advanced filters: Author: Joseph S. M. Samec Clear advanced filters

  • The valorization of lignin is generally implemented through the cleavage of labile C–O bonds to produce aromatic monomers in up to 40 wt% yield. The remaining material consists of lignin dimers and oligomers connected by C–C bonds, but now a method has been developed for the oxidative cleavage of these C–C bonds using oxoammonium salts, to produce benzoquinones.

    • Elena Subbotina
    • Thanya Rukkijakan
    • Joseph S. M. Samec
    Research
    Nature Chemistry
    Volume: 13, P: 1118-1125

  • The direct substitution of the OH group of stereogenic alcohols are reported rarely in literature. Here, the authors demonstrate direct substitution of both secondary and tertiary alcohols with chirality transfer leading to enantioenriched 5-membered, 6-membered and aryl-fused 6-membered heterocyclic compounds.

    • Rahul A. Watile
    • Anon Bunrit
    • Joseph S. M. Samec
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Lignin contains both C–O and C–C bonds, where C–C bonds are highly resistant to cleavage. Now, a bifunctional catalyst enables the cleavage of the challenging C–C bonds in lignin to produce biofuels.

    • Elena Subbotina
    • Joseph S. M. Samec
    News & Views
    Nature Chemical Engineering
    Volume: 1, P: 28-30