Technology Process of 1-{4-[3-(4-chloro-3-hydroxyphenyl)-4-(pyridin-4-yl)-1H-pyrazol-1-yl]phenyl}-3-(2,3-dichlorophenyl)urea
There total 9 articles about 1-{4-[3-(4-chloro-3-hydroxyphenyl)-4-(pyridin-4-yl)-1H-pyrazol-1-yl]phenyl}-3-(2,3-dichlorophenyl)urea which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
1-{4-[3-(4-chloro-3-methoxyphenyl)-4-(pyridin-4-yl)-1H-pyrazol-1-yl]phenyl}-3-(2,3-dichlorophenyl)urea;
With
boron tribromide;
In
dichloromethane;
at -78 - 20 ℃;
Inert atmosphere;
With
water; sodium hydrogencarbonate;
In
dichloromethane;
DOI:10.1016/j.ejmech.2011.08.013
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 18 h / 20 °C
1.2: 20 °C
2.1: copper(l) iodide; potassium carbonate; L-proline / dimethyl sulfoxide / 8 h / 90 °C / Inert atmosphere
3.1: palladium on activated charcoal; hydrogen / tetrahydrofuran / 2 h / 20 °C
4.1: tetrahydrofuran / 12 h / 20 °C / Inert atmosphere
5.1: boron tribromide / dichloromethane / -78 - 20 °C / Inert atmosphere
With
copper(l) iodide; palladium on activated charcoal; hydrogen; boron tribromide; potassium carbonate; L-proline;
In
tetrahydrofuran; dichloromethane; dimethyl sulfoxide;
DOI:10.1016/j.ejmech.2011.08.013
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / -25 - 20 °C
2.1: 18 h / 20 °C
2.2: 20 °C
3.1: copper(l) iodide; potassium carbonate; L-proline / dimethyl sulfoxide / 8 h / 90 °C / Inert atmosphere
4.1: palladium on activated charcoal; hydrogen / tetrahydrofuran / 2 h / 20 °C
5.1: tetrahydrofuran / 12 h / 20 °C / Inert atmosphere
6.1: boron tribromide / dichloromethane / -78 - 20 °C / Inert atmosphere
With
copper(l) iodide; palladium on activated charcoal; hydrogen; boron tribromide; potassium carbonate; L-proline; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane; dimethyl sulfoxide;
DOI:10.1016/j.ejmech.2011.08.013