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ChemicalBook CAS DataBase List 1,4-Di(1H-pyrazol-4-yl)benzene
1036248-62-0

1,4-Di(1H-pyrazol-4-yl)benzene synthesis

3synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: POCl3 / 4 h / 90 - 95 °C
1.2: 79.5 percent / NaClO4; water
2.1: aq. NaOH / Heating
2.2: aq.HCl / 20 °C / pH 5
3.1: 3.22 g / hydrazine hydrate / aq. HCl / 20 °C / pH 5

References:

Lozan, Vasile;Solntsev, Pavlo Y.;Leibeling, Guido;Domasevitch, Konstantin V.;Kersting, Berthold [European Journal of Inorganic Chemistry,2007,# 20,p. 3217 - 3226]