Tetrahedron p. 11251 - 11256 (1995)
Update date:2022-08-03
Topics:
Zelenin, Kirill N.
Alekseyev, Valery V.
Tygysheva, Alja R.
Yakimovitch, Stanislav I.
The use of β-diketones with strong electron-withdrawing substituents in reaction with hydrazine and its monosubstituted derivatives leads to the stable intermediates of pyrazole synthesis - 5-hydroxy-4,5-dihydropyrazoles or their open chain isomers.
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Doi:10.1007/BF00506959
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(2018)Doi:10.1016/j.tet.2007.04.090
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(2010)Doi:10.1007/s13738-017-1074-4
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