ChemSusChem

Wiley Online Library : ChemSusChem

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An Introduction to Model Compounds of Lignin Linking Motifs; Synthesis and Selection Considerations for Reactivity Studies

Model me right : A review of lignin model compounds for the most abundant linking motifs is provided as well as the state‐of‐the‐art approaches for their synthesis. A framework is also offered for researches working in the field of lignin valorization on what considerations to take into account when choosing the right model for the right stage of methodological...

Lignin Depolymerization under Continuous‐Flow Conditions: Highlights of Recent Developments

Ready for the flow : The latest advances in the field of hydrothermal depolymerization of technical lignin under continuous‐flow conditions are summarized and the challenges remaining in realizing the efficient valorization of lignin by using this technology are underlined. Abstract Lignin is a polyaromatic polymer contained in plant cell walls,...

Lignin Source and Structural Characterization

Sources and structures : Lignin is a primary component of lignocellulosic biomass and an underutilized industrial feedstock. Currently, about 95 % of industrial lignin is burned as fuel in heat and power plants because its structure hinders direct industrial utilization, and 5 % is used for applications after modification. Hence, the development of...

Similarities in Recalcitrant Structures of Industrial Non‐Kraft and Kraft Lignin

What difference does it make? The structures of industrially isolated non‐kraft and kraft lignin samples are thoroughly characterized and found to exhibit similarly condensed and partially depolymerized structures. The non‐kraft lignin samples are thus expected to be ill‐suited as a feedstock for lignin depolymerization. Differences do exist in these...

Synthesis of Dicarboxylic Acids from Aqueous Solutions of Diols with Hydrogen Evolution Catalyzed by an Iridium Complex

Two birds with one stone : A catalytic system for the synthesis of dicarboxylic acids from aqueous solutions of diols accompanied by the evolution of hydrogen is developed. An iridium complex bearing a functional bipyridonate ligand exhibits a high catalytic performance for this reaction. Selective dehydrogenative oxidation of vicinal diols to give...

Scalable Synthesis of Microsized, Nanocrystalline Zn0.9Fe0.1O‐C Secondary Particles and Their Use in Zn0.9Fe0.1O‐C/LiNi0.5Mn1.5O4 Lithium‐Ion Full Cells

CAM anodes : A new, scaled‐up synthetic route including three spray‐drying steps that results in the formation of microsized secondary particles of carbon‐coated Zn0.9Fe0.1O composed of nanocrystalline particles is described. This conversion/alloying material (CAM) provides very good electrochemical performance in Li‐ion half‐cells, and combination...

Oxidative Esterification of 5‐Hydroxymethylfurfural with an N‐doped Carbon‐supported CoCu Bimetallic Catalyst

No base needed : N‐doped carbon‐supported CoCu bimetallic catalyst with enhanced O2 activation ability and basicity is demonstrated as an effective catalyst for the oxidative esterification of 5‐hydroxymethylfurfural. The introduction of Cu significantly enhances the catalytic activity, resulting in a high furan‐2,5‐dimethylcarboxylate yield and an...

Tuning of the Oxygen Species Linker on the Surface of Polymeric Carbon Nitride to Promote the Photocatalytic Hydrogen Evolution Performance

“We propose an effective strategy to tune surface oxygen species…” This and more about the story behind the research that inspired the Cover image is presented in the Cover Profile. Read the full text of the corresponding research at https://doi.org/10.1002/cssc.20200102710.1002/cssc.202001027. View the Front Cover here: https://doi.org/10.1002/cssc.20200150910.1002/cssc.202001509....

Reactive Extraction Enhanced by Synergic Microwave Heating: Furfural Yield Boost in Biphasic Systems

The Cover Feature shows the local microwave heating of the reagent xylose in the water phase and the transfer of the product furfural into the cool organic phase. More information can be found in the https://doi.org/10.1002/cssc.202000966Communication by L. Ricciardi et al.

Addition of Highly Polarized Organometallic Compounds to N‐tert‐Butanesulfinyl Imines in Deep Eutectic Solvents under Air: Preparation of Chiral Amines of Pharmaceutical Interest

The Cover Feature shows the preparation of highly enantioenriched chiral amines of pharmaceutical interest by chemoselective addition of organolithiums or Grignard reagents to chiral sulfinyl imines in the biodegradable d ‐sorbitol/choline chloride eutectic mixture at ambient temperature and under aerobic conditions. More information can be found in...

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