Technology Process of (2R)-2-[({3-(4-Chlorophenyl)-5-oxo-4-[(1E)-3,3,3-trifluoroprop-1-en-1-yl]-4,5-dihydro-1H-1,2,4-triazol-1-yl}acetyl)amino]-2-[3-(trifluoromethyl)phenyl]propanamide
There total 8 articles about (2R)-2-[({3-(4-Chlorophenyl)-5-oxo-4-[(1E)-3,3,3-trifluoroprop-1-en-1-yl]-4,5-dihydro-1H-1,2,4-triazol-1-yl}acetyl)amino]-2-[3-(trifluoromethyl)phenyl]propanamide which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride; benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine;
In
N,N-dimethyl-formamide;
at 20 ℃;
for 0.5h;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: pyridine / 0.5 h / 35 °C / Inert atmosphere
1.2: 70 °C
2.1: sodium tetrahydroborate / methanol / 1.5 h / Cooling with ice
3.1: potassium carbonate; potassium iodide / acetonitrile / 1 h / Reflux
4.1: ethyl acetate; 2-Methylpentane / Resolution of racemate
5.1: dmap; trifluoromethanesulfonic acid anhydride / pyridine / 12 h / 20 °C
6.1: water; lithium hydroxide / methanol / 1 h / 20 °C
7.1: N-ethyl-N,N-diisopropylamine; benzotriazol-1-ol; N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride / N,N-dimethyl-formamide / 0.5 h / 20 °C
With
dmap; sodium tetrahydroborate; N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride; water; potassium carbonate; benzotriazol-1-ol; trifluoromethanesulfonic acid anhydride; N-ethyl-N,N-diisopropylamine; potassium iodide; lithium hydroxide;
In
pyridine; methanol; 2-Methylpentane; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: tetrahydrofuran / 20 - 50 °C
2.1: sodium hydroxide; water / Reflux
2.2: pH 1
3.1: pyridine / 0.5 h / 35 °C / Inert atmosphere
3.2: 70 °C
4.1: sodium tetrahydroborate / methanol / 1.5 h / Cooling with ice
5.1: potassium carbonate; potassium iodide / acetonitrile / 1 h / Reflux
6.1: ethyl acetate; 2-Methylpentane / Resolution of racemate
7.1: dmap; trifluoromethanesulfonic acid anhydride / pyridine / 12 h / 20 °C
8.1: water; lithium hydroxide / methanol / 1 h / 20 °C
9.1: N-ethyl-N,N-diisopropylamine; benzotriazol-1-ol; N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride / N,N-dimethyl-formamide / 0.5 h / 20 °C
With
dmap; sodium tetrahydroborate; N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride; water; potassium carbonate; benzotriazol-1-ol; trifluoromethanesulfonic acid anhydride; N-ethyl-N,N-diisopropylamine; potassium iodide; sodium hydroxide; lithium hydroxide;
In
tetrahydrofuran; pyridine; methanol; 2-Methylpentane; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;