Technology Process of N-(2-isopropoxy-5-(piperazin-1-yl)phenyl)pyrazine-2-carboxamide
There total 5 articles about N-(2-isopropoxy-5-(piperazin-1-yl)phenyl)pyrazine-2-carboxamide which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium carbonate;
In
methanol; water;
for 2h;
Inert atmosphere;
Reflux;
DOI:10.1016/j.bmcl.2014.03.073
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: pyridine / dichloromethane / 0.5 h / 0 °C / Molecular sieve
1.2: 16 h / 0 - 20 °C / Molecular sieve
2.1: 4-nitro-4-methyl-2,3,5,6-tetrabromo-2,5-cyclohexadien-1-one / tetrahydrofuran; diethyl ether / 5 h / 20 °C
3.1: hydrogen; palladium 10% on activated carbon; acetic acid / methanol / 24 h / 3102.97 Torr
4.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 0.5 h / 0 °C / Molecular sieve; Inert atmosphere
4.2: 24 h / 20 °C / Inert atmosphere; Molecular sieve
5.1: potassium carbonate / methanol; water / 2 h / Inert atmosphere; Reflux
With
pyridine; palladium 10% on activated carbon; 4-nitro-4-methyl-2,3,5,6-tetrabromo-2,5-cyclohexadien-1-one; hydrogen; potassium carbonate; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2014.03.073
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: 4-nitro-4-methyl-2,3,5,6-tetrabromo-2,5-cyclohexadien-1-one / tetrahydrofuran; diethyl ether / 5 h / 20 °C
2.1: hydrogen; palladium 10% on activated carbon; acetic acid / methanol / 24 h / 3102.97 Torr
3.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 0.5 h / 0 °C / Molecular sieve; Inert atmosphere
3.2: 24 h / 20 °C / Inert atmosphere; Molecular sieve
4.1: potassium carbonate / methanol; water / 2 h / Inert atmosphere; Reflux
With
palladium 10% on activated carbon; 4-nitro-4-methyl-2,3,5,6-tetrabromo-2,5-cyclohexadien-1-one; hydrogen; potassium carbonate; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine;
In
tetrahydrofuran; methanol; diethyl ether; water; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2014.03.073