Methyl 3-amino-6-chloropyrazine-2-carboxylate synthesis
- Product Name:Methyl 3-amino-6-chloropyrazine-2-carboxylate
- CAS Number:1458-03-3
- Molecular formula:C6H6ClN3O2
- Molecular Weight:187.58
16298-03-6
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1458-03-3
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Yield: 98.1%
Reaction Conditions:
with N-chloro-succinimide in N,N-dimethyl-formamide at 80; for 24 h;
Steps:
1.1
(1) Dissolve 60g compound A in 300mL DMF, add 30g NCS, heat to 80°C, stir the reaction for 24h, TLC test, the raw material reaction is complete, the solvent is removed by rotary evaporation under reduced pressure, the remaining solid is added to 500mL water, stirred for 20min, filtered, The filter cake was washed with water, and the solid was vacuum-dried to obtain 72.1 g of brown solid to obtain compound B with a purity of 98.8% and a yield of 98.1%;
References:
CN113135862, 2021, A Location in patent:Paragraph 0005; 0013-0015
17149-35-8
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1458-03-3
118 suppliers
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28643-16-5
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