Technology Process of 2-(1-methyl-3-phenyl-1H-pyrazolo[3,4-b]pyridin-6-yloxy)acetic acid
There total 4 articles about 2-(1-methyl-3-phenyl-1H-pyrazolo[3,4-b]pyridin-6-yloxy)acetic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
ethyl 2-(1-methyl-3-phenyl-1H-pyrazolo[3,4-b]pyridin-6-yloxy)acetate;
With
water; lithium hydroxide;
In
tetrahydrofuran;
at 20 ℃;
for 6h;
With
hydrogenchloride;
In
tetrahydrofuran; water;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / dichloromethane / 4 h / 20 °C
2.1: n-butyllithium; 1,4-diaza-bicyclo[2.2.2]octane / hexane; tetrahydrofuran / -78 °C
2.2: 1 h
3.1: methanol / 4 h / 90 °C
4.1: sodium hydroxide / water; dimethyl sulfoxide / 10 h / 100 °C
4.2: 20 °C
5.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 20 °C / Cooling with ice
5.2: 2 h / 20 °C
6.1: water; lithium hydroxide / tetrahydrofuran / 6 h / 20 °C
With
4-methyl-morpholine; 1,4-diaza-bicyclo[2.2.2]octane; n-butyllithium; water; sodium hydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; sodium hydroxide; lithium hydroxide;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: n-butyllithium; 1,4-diaza-bicyclo[2.2.2]octane / hexane; tetrahydrofuran / -78 °C
1.2: 1 h
2.1: methanol / 4 h / 90 °C
3.1: sodium hydroxide / water; dimethyl sulfoxide / 10 h / 100 °C
3.2: 20 °C
4.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 20 °C / Cooling with ice
4.2: 2 h / 20 °C
5.1: water; lithium hydroxide / tetrahydrofuran / 6 h / 20 °C
With
1,4-diaza-bicyclo[2.2.2]octane; n-butyllithium; water; sodium hydride; sodium hydroxide; lithium hydroxide;
In
tetrahydrofuran; methanol; hexane; water; dimethyl sulfoxide; N,N-dimethyl-formamide;