Photocatalytic radical cyclization of α-halo hydrazones with β-ketocarbonyls: facile access to substituted dihydropyrazoles.
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DOI: 10.1039/c7cc01470h
Abstract: A mild and efficient method for the photocatalytic radical cyclization of α-halo hydrazones with β-ketocarbonyls has been described. This strategy provides a potential protocol for the construction of functionalized 4,5-dihydropyrazoles in moderate to high yields. read more here.
Keywords: halo hydrazones; radical cyclization; hydrazones ketocarbonyls; cyclization halo ... See more keywords