Technology Process of 2-tert-butyl-5-(5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylsulfonyl)-1H-pyrazol-3-yl)-1,3,4-thiadiazole
There total 7 articles about 2-tert-butyl-5-(5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylsulfonyl)-1H-pyrazol-3-yl)-1,3,4-thiadiazole which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2-tert-butyl-5-(5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazol-3-yl)-1,3,4-thiadiazole;
With
3-chloro-benzenecarboperoxoic acid;
In
dichloromethane;
at 20 ℃;
for 1h;
Inert atmosphere;
With
sodium hydrogencarbonate;
In
dichloromethane;
at 20 ℃;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: lithium hexamethyldisilazane / tert-butyl methyl ether / 1.5 h / -40 °C / Inert atmosphere
1.2: 0 - 20 °C / Inert atmosphere
2.1: ethanol / 17 h / 20 °C / Reflux
3.1: hydrazine hydrate / ethanol / 2 h / 90 °C
4.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 12 h / 20 °C
5.1: Lawessons reagent / tetrahydrofuran / 0.83 h / 155 °C / Microwave irradiation
6.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 1 h / 20 °C
With
Lawessons reagent; dmap; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane;
In
tetrahydrofuran; ethanol; dichloromethane; tert-butyl methyl ether;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 12 h / 20 °C
2: Lawessons reagent / tetrahydrofuran / 0.83 h / 155 °C / Microwave irradiation
3: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 1 h / 20 °C
With
Lawessons reagent; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 3-chloro-benzenecarboperoxoic acid;
In
tetrahydrofuran; dichloromethane;