(4-Chloro-6-methyl-pyrimidin-2-yl)-ethyl-amine synthesis
- Product Name:(4-Chloro-6-methyl-pyrimidin-2-yl)-ethyl-amine
- CAS Number:5748-33-4
- Molecular formula:C7H10ClN3
- Molecular Weight:171.63
5424-21-5
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Yield:-
Reaction Conditions:
in methanol;ethanol at 20;
Steps:
3.1; 5.1; 6.1; 8.1 First step of the synthesis
General procedure: 2-chloro-N-ethyl-6-methylpyrimidin-4-amine is prepared by adding 2 equivalents of ethylamine (2.0M solution in methanol) to 2,4-dichloro-6-methylpyrimidine in dry ethanol in 48 hours. Yield of 2-chloro-N-ethyl-6-methylpyrimidin-4-amine is 45% after purification; additionally 17% of 4-chloro-N-ethyl-6-methylpyrimidin-2-amine are obtained as a side product.
References:
WO2020/221894,2020,A1 Location in patent:Paragraph 90-94; 129-132; 137-142; 146-147; 151; 153-154