Technology Process of 2-(2-propyl-3,5-dimethyl-7-p-tolyl-3H-imidazo[4,5-b]pyridin-6-yl)pentanoic acid
There total 6 articles about 2-(2-propyl-3,5-dimethyl-7-p-tolyl-3H-imidazo[4,5-b]pyridin-6-yl)pentanoic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Ethyl 2-(3,5-dimethyl-2-propyl-7-p-tolyl-3H-imidazo[4,5-b]pyridin-6-yl)pentanoate;
With
sodium hydroxide;
In
methanol; ethanol;
at 60 ℃;
for 18h;
With
hydrogenchloride;
In
water;
pH=2;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: pyridinium p-toluenesulfonate / toluene / Reflux
2.1: lithium diisopropyl amide / N,N,N,N,N,N-hexamethylphosphoric triamide; tetrahydrofuran / 1 h / -78 °C
2.2: 4 h / 20 °C
3.1: boron tribromide / dichloromethane; hexane / 2 h / -78 - -20 °C / Inert atmosphere
4.1: chloro-trimethyl-silane / N,N-dimethyl-formamide / 72 h / 100 °C / Sealed tube; Inert atmosphere
5.1: sodium hydroxide / ethanol; methanol / 18 h / 60 °C
5.2: pH 2
With
chloro-trimethyl-silane; boron tribromide; sodium hydroxide; lithium diisopropyl amide;
pyridinium p-toluenesulfonate;
In
tetrahydrofuran; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; ethanol; hexane; dichloromethane; N,N-dimethyl-formamide; toluene;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: boron tribromide / dichloromethane; hexane / 2 h / -78 - -20 °C / Inert atmosphere
2.1: chloro-trimethyl-silane / N,N-dimethyl-formamide / 72 h / 100 °C / Sealed tube; Inert atmosphere
3.1: sodium hydroxide / ethanol; methanol / 18 h / 60 °C
3.2: pH 2
With
chloro-trimethyl-silane; boron tribromide; sodium hydroxide;
In
methanol; ethanol; hexane; dichloromethane; N,N-dimethyl-formamide;