Themed collection 2019 Green Chemistry Hot Articles

The bio-availability of organic acids as platform chemicals and the potential of electrochemistry to directly integrate renewable energy into new value chains drive (Non-)Kolbe electrolysis to become an attractive tool in future electro-bio-refinery.

Achieving a sustainable future will only be possible through the intersection of the best science and technology in combination with the societal, economic, policy, cultural, moral, and ethical ecosystem.

We review Green Chemistry advances resulting when transitioning to continuous manufacturing with focus on Green Chemistry elements inherent in flow chemistry and related separation processes.

This review highlights the current status of e-waste recycling and provides insights on metal recovery from e-waste via green chemistry.

The oligosaccharides from AlCl₃-catalyzed cellulose depolymerization improve penetration of Al ion into the skin matrix for further crosslinking reaction.

The efficient utilization of renewable glucose has enormous potential to reduce the excessive dependence on fossil resources, but remains challenging owing to the inevitable formation of undesirable humins and multistep processes.

Photocatalytic aerobic decarbonylative C–C coupling/alkylations of N-heteroarenes with aldehydes have been disclosed for the first time.

A mild, biocatalytic alternative to the conventional amination of fatty acids through a one-pot tandem cascade performed by a carboxylic acid reductase (CAR) and a transaminase (ω-TA).

Here we report the oxidative dehydrogenation of malic acid to oxaloacetic acid, a key precursor in the fabrication of amino acids, over Pt–Bi/C catalysts.

Doping of nitrogen into MnO₂ is employed as an efficient catalyst for the catalytic oxidation of HMF to DFF under an oxygen atmosphere.

A bio-based polyimine vitrimer containing 100% renewable carbon content has been synthesised and characterised, based on bio-based furan dialdehyde derived from fructose.

A 49 ppm Rh catalyst selectively transforms nitriles into primary amines with economical HCOOH and exhibits a TOF value of 6803 h⁻¹.

Catalyst immobilization in decane and repetitive hydrogenation of CO₂ to HCOOH-amine with subsequent reactive distillation of the resulting methanolic solution.

In this work, we present the first continuous flow process to produce the tailored biofuel 2-butyltetrahydrofuran from renewable resources.

Mechanical decrystallization and water-promoted recrystallization of cellulose were studied to understand the effects of cellulose crystallinity on reaction engineering models of its acid-catalyzed hydrolysis.

Sustainable, transparent, and robust bio-polycarbonate nanocomposites are realized by in situ polymerization of isosorbide well-dispersed with cellulose nanocrystals.

Levoglucosanol (LGOL) is a critical intermediate for the bio-based production of hexane-1,2,5,6-tetrol, 1,2,6-hexanetriol, and 1,6-hexanediol.

Addition of CuCl to supported ionic liquid phase (SILP) catalysts enhances the activity in the low temperature water–gas shift (WGS) reaction.

Trace water addition drives the electrochemical removal of a Pd catalyst from organic synthesis reaction solutions.

A three-step process to synthesize quinaldic acids from furfural was established.

Six chemo-enzymatic routes for the synthesis of a trifluorinated D-phenylalanine have been described and compared, including the first example of a fully biocatalytic D-hydroamination.

Continuous flow preparation of antidepressant ketamine and analogs under sustainable conditions.

A bifunctional dipeptide can help to reduce pesticide use while preserving crop productivity.

The enigma of the oxidation–reduction strategy for lignin valorization was disclosed over heterogenous catalysts and was compared with model compound studies.