2-Amino-1,3-propanediol synthesis
- Product Name:2-Amino-1,3-propanediol
- CAS Number:534-03-2
- Molecular formula:C3H9NO2
- Molecular Weight:91.11
(a) reacting 1,3-dihydroxyacetone dimer with an amine of the formula, NH2CH2alkyl, in the presence of a solvent to form an intermediate alkoxyimine; and
(b) reacting the intermediate with a reducing agent to form 2-amino-1,3-propanediol.
497-04-1
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534-03-2
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Yield:534-03-2 346.27 kg
Reaction Conditions:
with hexamethylenetetramine;ammonia in water at 50 - 60; for 8 h;Large scale;
Steps:
Amination process
The 2-chloro-1,3-propanediol (420.12kg, 3.80kmol) gained in the previous step is transferred to the amination still A17 or the amination still B18, 20% ammonia water (800.00kg, 9.41kmol) and urotropine ( 15.00kg, 0.11kmol), stirred and heated to 50-60°C for 8h. After the reaction is completed, press filtration to obtain 2-amino-1,3-propanediol (346.27kg) after deamination and dehydration, which is sent for inspection by gas chromatographic analysis, and the analysis results are as follows:
References:
CN113683521,2021,A Location in patent:Paragraph 0048-0051
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