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Organocatalytic method demonstrates enantioselective synthesis of pyrazolone ketimines with nitroalkanes, highlighting a new approach.
An efficient and enantioselective aza-Henry reaction of pyrazolone ketimines with nitroalkanes has been realized by employing low loading of 1 mol% of a cinchona alkaloid-derived bifunctional squaramide as an organocatalyst....
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Wang et al. (2025) studied this question.
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