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Published in 2022 at "Molecules"
DOI: 10.3390/molecules27238446
Abstract: A solvent-free two-step synthesis of polyfunctionalized pyrazoles under ball-milling mechanochemical conditions was developed. The protocol comprises (3 + 2)-cycloaddition of in situ generated nitrile imines and chalcones, followed by oxidation of the initially formed 5-acylpyrazolines…
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Keywords:
mno2 mediated;
oxidation;
fluorinated diarylpyrazoles;
non fluorinated ... See more keywords