Butanoic acid, 2,4-diamino-, methyl ester synthesis
- Product Name:Butanoic acid, 2,4-diamino-, methyl ester
- CAS Number:37529-96-7
- Molecular formula:C5H12N2O2
- Molecular Weight:132.16
29547-04-4
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Yield:37529-96-7 85%
Reaction Conditions:
with ammonia in diethyl ether at -40; for 2 h;
Steps:
2
EXAMPLE 2 Synthesis of 2.4-diamino butyric acid methyl ester At a temperature of -40° C., 150 ml ammonia were condensed into a flask and diluted with 150 ml anhydrous diethyl ether. Slowly added to this solution were 100 g of 2.4-dibromine butyric acid methyl ester (0.385 mol) in 100 ml anhydrous diethyl ether. At a temperature of -40° C. stirring was continued for 2 hours, and subsequently it was slowly reheated to ambient temperature. After stirring over night, the ammonium bromide was filtered-off and the solvent was withdrawn. Obtained were 43.3 g (85%) 2.4-diamino butyric acid methyl ester.
References:
US2011/178292,2011,A1 Location in patent:Page/Page column 6
