DL-Serine synthesis
- Product Name:DL-Serine
- CAS Number:302-84-1
- Molecular formula:C3H7NO3
- Molecular Weight:105.09
125310-61-4
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302-84-1
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Yield:302-84-1 89.4%
Reaction Conditions:
with methylamine in water at 150; under 22502.3 Torr; for 10 h;Autoclave;Inert atmosphere;
Steps:
4 Example 4: Preparation of 2-amino-3-hydroxypropionic acid
A 2-L autoclave was charged with 86 g (1 mol) of 2-amino-3-hydroxypropionitrile, and 620 g of a 40% strength aqueous methylamine solution was added thereto.Water 1068g was added, nitrogen gas was charged to 3MPa, and the mixture was heated to 150°C for 10 hours. The reaction solution was concentrated under reduced pressure to recover a methylamine aqueous solution.Distillation residue was added 400g methanol 80 ° C reflux 2h, cooling, crystal precipitation, filtration, vacuum drying 120 ° C 4h 2-amino-3-hydroxypropionic acid, purity 98%, yield 89.4%.
References:
CN108003077,2018,A Location in patent:Paragraph 0058; 0059; 0072; 0073; 0074; 0075
5445-44-3
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