Technology Process of 1-{4-[5-(4-trifluoromethylphenyl)-1,2,4-oxadiazol-3-yl]benzyl}piperidine-4,4-dicarboxylic acid
There total 4 articles about 1-{4-[5-(4-trifluoromethylphenyl)-1,2,4-oxadiazol-3-yl]benzyl}piperidine-4,4-dicarboxylic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
1-{4-[5-(4-trifluoromethylphenyl)-1,2,4-oxadiazol-3-yl]benzyl}piperidine-4,4-dicarboxylic acid diethyl ester;
With
sodium hydroxide; water;
In
tetrahydrofuran; ethanol;
for 20h;
Heating / reflux;
With
hydrogenchloride;
In
water;
pH=~ 2;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: hydrogen / 5%-palladium/activated carbon / ethanol; water / 3 h / 2068.65 Torr
2.1: methanesulfonyl chloride; triethylamine / dichloromethane / 0.33 h / 0 - 10 °C
2.2: 1 h / 80 °C
3.1: sodium hydroxide; water / tetrahydrofuran; ethanol / 20 h / Heating / reflux
3.2: pH ~ 2
With
sodium hydroxide; water; hydrogen; methanesulfonyl chloride; triethylamine;
5%-palladium/activated carbon;
In
tetrahydrofuran; ethanol; dichloromethane; water;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / water; N,N-dimethyl-formamide / 0.5 h / 20 °C
1.2: 3 h / Heating / reflux
2.1: methanesulfonyl chloride; triethylamine / dichloromethane / 0.33 h / 0 - 10 °C
2.2: 1 h / 80 °C
3.1: sodium hydroxide; water / tetrahydrofuran; ethanol / 20 h / Heating / reflux
3.2: pH ~ 2
With
sodium hydroxide; water; benzotriazol-1-ol; methanesulfonyl chloride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine;
In
tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide;