Technology Process of 3-(Bromomethyl)-1,4-diphenyl-1H-pyrazole
There total 6 articles about 3-(Bromomethyl)-1,4-diphenyl-1H-pyrazole which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
hydrogen bromide;
In
water;
at 80 - 90 ℃;
for 8h;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: triethylamine / CHCl3 / 1.) 3h, reflux, 2.) room temp.
2: HCl / dioxane; H2O / 1 h / 100 °C
3: LiAlH4 / tetrahydrofuran
4: 63percent HBr / H2O / 8 h / 80 - 90 °C
With
hydrogenchloride; lithium aluminium tetrahydride; hydrogen bromide; triethylamine;
In
tetrahydrofuran; 1,4-dioxane; chloroform; water;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: triethylamine / CHCl3 / 1.) 3h, reflux, 2.) room temp.
2: HCl / dioxane; H2O / 1 h / 100 °C
3: LiAlH4 / tetrahydrofuran
4: 63percent HBr / H2O / 8 h / 80 - 90 °C
With
hydrogenchloride; lithium aluminium tetrahydride; hydrogen bromide; triethylamine;
In
tetrahydrofuran; 1,4-dioxane; chloroform; water;