Results 161 to 170 of about 40,793 (278)

Hydrolysis and transesterification of parabens in an aqueous solution in the presence of glycerol and boric acid [PDF]

open access: yes
In a solution containing 0.067% methylparaben, 0.033% propylparaben, 3.4% glycerol and 2.0% boric acid, concentrations of both parabens, 4 hydroxybenzoic acid and 2,3-dihydroxypropyl 4-hydroxybenzoate were monitored for up to 68 months storage.
Marie Marečkova   +2 more
core   +1 more source

Nucleophilic Trifluoromethoxylation of Acyl Chlorides: A Direct Route to Trifluoromethyl Esters

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 18, 19 September 2026.
A new method for the synthesis of the underexplored trifluoromethyl carboxylic esters using acyl chlorides as readily available feedstocks and in situ‐generated AgOCF3 from silver fluoride and the trifluoromethyl para‐toluenesulfonate has been designed. The reaction works on a large variety of aromatic and aliphatic acyl chlorides, while minimizing the
Xavier Bertrand   +3 more
wiley   +1 more source

Borylcyclopropanes: Synthetic Strategies and Applications

open access: yesAngewandte Chemie, Volume 138, Issue 37, 7 September 2026.
Borylcyclopropanes (cyclopropanes bearing a boron substituent) sit at the intersection of two privileged frameworks in synthesis. This review provides the first exhaustive survey of their chemistry, spanning metal–carbene, nucleophilic cyclization, radical, hydroboration, and C─H activation routes, and documenting applications in medicinal chemistry ...
Aiza A. Butt, Joseph M. Ready
wiley   +2 more sources

Which modification for which feedstock? a strategy-by-strategy review of Zr-MOF catalysts for biodiesel production. [PDF]

open access: yesRSC Adv
Keshta BE   +7 more
europepmc   +1 more source

Biobased Oligo‐ and Polyesters from Fatty Acids with Demonstrated Biodegradability or Recyclability for Industrial Applications in a Circular Economy

open access: yesChemSusChem, Volume 19, Issue 17, 14 September 2026.
This “Perspectives”‐article describes and discusses two recent developments in the field of biobased as well as biodegradable or chemically recyclable oligomers/polymers for applications in the lubricant and plastics product segments, which are efficiently accessible and which are based on the utilization of unsaturated fatty acids as feedstocks. This “
Harald Gröger
wiley   +1 more source

Remapping the Synthetic Landscape of α‐Tertiary Alkylamines via Dual‐Functional Catechol

open access: yesAngewandte Chemie, Volume 138, Issue 37, 7 September 2026.
A three‐component assembly strategy has been developed for the modular synthesis of hindered α‐tertiary aliphatic amines from readily available precursors through unlocking the dual role of catechol. The practicality of this methodology has been demonstrated in over 90 examples, including compounds that are otherwise difficult to access, along with ...
Chen‐Yan Cai, Yuzuru Kanda, Tian Qin
wiley   +2 more sources

Recent Applications of Propylene Carbonate as a Solvent in Sustainable Organic Synthesis

open access: yesChemSusChem, Volume 19, Issue 17, 14 September 2026.
This review evaluates propylene carbonate (PC) as a non‐toxic green solvent in organic synthesis, highlighting its performance in key reactions including cross‐couplings, asymmetric hydrogenations, peptide synthesis and biocatalysis. Across these processes, PC delivers yields comparable to conventional and alternative green solvents.
Laura G. Aguilar‐Sanchez   +1 more
wiley   +1 more source

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