The synthesis demonstrates the effective production of hydrazonoyl chlorides in a controlled reaction, suggesting new pathways for organic synthesis.
A variety of complex functionalized hydrazonoyl chlorides were prepared in good yields through a Sc(OTf) 3 -catalyzed Friedel–Crafts reaction of easily available arylhydrazonoyl chlorides with cyclobutanes under mild reaction conditions.
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Ding et al. (2026) studied this question.
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