- CAS
- Purity
- 1315478-13-7
- 99%
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The invention provides a preparation met...
The invention discloses a method for pre...
The invention discloses a method for syn...
The invention discloses a method of prep...
2-(2-n-butyl-4-hydroxy-6-methyl-pyrimidin-5-yl)acetic acid
N,N-dimethylammonium chloride
(2-(2-n-butyl-4-hydroxy-6-methyl-pyrimidin-5-yl)-N,N-dimethylacetamide)
| Conditions | Yield |
|---|---|
|
2-(2-n-butyl-4-hydroxy-6-methyl-pyrimidin-5-yl)acetic acid;
With
triethylamine;
In
dichloromethane;
at 0 ℃;
for 0.5h;
N,N-dimethylammonium chloride;
With
chloroformic acid ethyl ester;
In
dichloromethane;
for 12h;
Reflux;
With
sodium hydroxide;
In
dichloromethane; water;
pH=9;
|
93%
|
|
With
4-methyl-morpholine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;
In
dichloromethane;
at 0 - 20 ℃;
for 5h;
Inert atmosphere;
|
86%
|
methyl 2-(N,N-dimethylaminocarbonylmethyl)acetoacetate
pentanamidine hydrochloride
(2-(2-n-butyl-4-hydroxy-6-methyl-pyrimidin-5-yl)-N,N-dimethylacetamide)
| Conditions | Yield |
|---|---|
|
pentanamidine hydrochloride;
With
sodium hydroxide;
In
methanol;
for 0.5h;
Cooling with ice;
methyl 2-(N,N-dimethylaminocarbonylmethyl)acetoacetate;
In
methanol;
at 30 ℃;
for 10h;
Cooling with ice;
|
71.7%
|
|
With
ethanol; potassium hydroxide;
at 25 ℃;
for 15h;
|
70%
|
2-(2-n-butyl-4-hydroxy-6-methyl-pyrimidin-5-yl)acetic acid
N,N-dimethylammonium chloride
methyl 2-(N,N-dimethylaminocarbonylmethyl)acetoacetate
pentanamidine hydrochloride
Fimasartan