Technology Process of 3-[2-[[3-(trifluoromethyl)phenyl]sulfonyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-1-yl]propionic acid
There total 6 articles about 3-[2-[[3-(trifluoromethyl)phenyl]sulfonyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-1-yl]propionic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: potassium hydroxide / water / 24 h / Reflux
2.1: triethylamine / dichloromethane / 0 - 5 °C / Inert atmosphere
3.1: trifluoroacetic acid / 16 h / 0 - 20 °C
3.2: pH ~ 7
4.1: hydrogen / palladium on activated charcoal / methanol / 6 h / 20 °C
5.1: triethylamine / dichloromethane / 14 h / 0 - 20 °C
6.1: water; lithium hydroxide monohydrate / tetrahydrofuran; methanol / 4 h / 20 °C
With
lithium hydroxide monohydrate; water; hydrogen; triethylamine; trifluoroacetic acid; potassium hydroxide;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; water;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: triethylamine / dichloromethane / 0 - 5 °C / Inert atmosphere
2.1: trifluoroacetic acid / 0 - 20 °C / Inert atmosphere
2.2: pH > 7
3.1: hydrogen / palladium 10% on activated carbon / ethanol / 14 h / 20 °C
4.1: triethylamine / dichloromethane / 14 h / 0 - 20 °C
5.1: water; lithium hydroxide monohydrate / tetrahydrofuran; methanol / 4 h / 20 °C
With
lithium hydroxide monohydrate; water; hydrogen; triethylamine; trifluoroacetic acid;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; ethanol; dichloromethane;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: trifluoroacetic acid / 0 - 20 °C / Inert atmosphere
1.2: pH > 7
2.1: hydrogen / palladium 10% on activated carbon / ethanol / 14 h / 20 °C
3.1: triethylamine / dichloromethane / 14 h / 0 - 20 °C
4.1: water; lithium hydroxide monohydrate / tetrahydrofuran; methanol / 4 h / 20 °C
With
lithium hydroxide monohydrate; water; hydrogen; triethylamine; trifluoroacetic acid;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; ethanol; dichloromethane;