Technology Process of (R)-3-(4-bromophenyl)-1-(pyridazin-4-yl)-3-o-tolylpropan-1-one
There total 6 articles about (R)-3-(4-bromophenyl)-1-(pyridazin-4-yl)-3-o-tolylpropan-1-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
phosphazene base-P4-tert-butyl; zinc(II) iodide;
In
tetrahydrofuran; hexane;
at -78 - 20 ℃;
for 16h;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: piperidine / toluene / 5 h / Dean-Stark; Reflux
2: toluene; tetrahydrofuran / 2.83 h / 0 - 85 °C
3: sulfuric acid; acetic acid / 20.5 h / 27 °C / Cooling with ice; Reflux
4: 1,1'-carbonyldiimidazole / dichloromethane / 17 h / 20 °C
5: chiral HPLC (Reprosil Chiral-NR, heptane/2-propanol 80:20) / n-heptane; isopropyl alcohol / Resolution of racemate
6: zinc(II) iodide; phosphazene base-P4-tert-butyl / tetrahydrofuran; hexane / 16 h / -78 - 20 °C
With
piperidine; sulfuric acid; acetic acid; phosphazene base-P4-tert-butyl; 1,1'-carbonyldiimidazole; zinc(II) iodide;
In
tetrahydrofuran; hexane; n-heptane; dichloromethane; isopropyl alcohol; toluene;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: toluene; tetrahydrofuran / 2.83 h / 0 - 85 °C
2: sulfuric acid; acetic acid / 20.5 h / 27 °C / Cooling with ice; Reflux
3: 1,1'-carbonyldiimidazole / dichloromethane / 17 h / 20 °C
4: chiral HPLC (Reprosil Chiral-NR, heptane/2-propanol 80:20) / n-heptane; isopropyl alcohol / Resolution of racemate
5: zinc(II) iodide; phosphazene base-P4-tert-butyl / tetrahydrofuran; hexane / 16 h / -78 - 20 °C
With
sulfuric acid; acetic acid; phosphazene base-P4-tert-butyl; 1,1'-carbonyldiimidazole; zinc(II) iodide;
In
tetrahydrofuran; hexane; n-heptane; dichloromethane; isopropyl alcohol; toluene;