Cascade reaction to 1H-pyrazoles from hydrazones via sodium Ni-trite promoted dual C–C/C–N formation, annulation and aromatization with 1,2-dichloroethane
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DOI: 10.1016/j.cclet.2021.02.025
Abstract: Abstract A novel route for tandem C–C/C–N formation, annulation and aromatization of hydrazones with 1,2-dichloroethane to synthesize 1H-pyrazoles has been developed. Furthermore, the 1,2-dichloroethane serves as alkylation reagent in good to excellent yields. This methodology… read more here.
Keywords: annulation aromatization; reaction; formation annulation;