Technology Process of 6-chloro-7-(3-fluorophenyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-8-carboxamide
There total 9 articles about 6-chloro-7-(3-fluorophenyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-8-carboxamide which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
tert-butyl 8-carbamoyl-6-chloro-7-(3-fluoro-phenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate;
With
trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
for 1h;
With
ammonium hydroxide;
In
water;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: N-chloro-succinimide / 24 h / Reflux
2.1: sodium hydroxide / tetra(n-butyl)ammonium hydrogensulfate / acetonitrile / 0.5 h
2.2: 17 h / Reflux
3.1: hydrogenchloride / ethanol; water / 0.75 h
4.1: hydrogenchloride / ethanol; water / 2.5 h / 70 °C
5.1: dichloromethane / 0.75 h / 20 °C
6.1: sodium hydroxide; water; dihydrogen peroxide / dimethyl sulfoxide; methanol / 19.5 h / 60 °C
7.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
With
hydrogenchloride; N-chloro-succinimide; water; dihydrogen peroxide; trifluoroacetic acid; sodium hydroxide;
tetra(n-butyl)ammonium hydrogensulfate;
In
methanol; ethanol; dichloromethane; water; dimethyl sulfoxide; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: sodium hydroxide / tetra(n-butyl)ammonium hydrogensulfate / acetonitrile / 0.5 h
1.2: 17 h / Reflux
2.1: hydrogenchloride / ethanol; water / 0.75 h
3.1: hydrogenchloride / ethanol; water / 2.5 h / 70 °C
4.1: dichloromethane / 0.75 h / 20 °C
5.1: sodium hydroxide; water; dihydrogen peroxide / dimethyl sulfoxide; methanol / 19.5 h / 60 °C
6.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
With
hydrogenchloride; water; dihydrogen peroxide; trifluoroacetic acid; sodium hydroxide;
tetra(n-butyl)ammonium hydrogensulfate;
In
methanol; ethanol; dichloromethane; water; dimethyl sulfoxide; acetonitrile;