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Solvent-Free Coumarin Synthesis

open access: yesSolvent-Free Coumarin Synthesis
The synthesis of coumarins via Pechmann and Knoevenagel condensation reactions under solvent-free conditions is reported, in which waste minimization, simple operation and easier product work-up can be achieved.
openaire  

Interactions between Coal and Solvent during the Solvent Extraction of Coal in View of Free Radicals

open access: yesACS Omega, 2021
Wenjing He   +6 more
doaj   +1 more source

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