(3,4,5-TRIMETHOXYBENZOYL)AMINO]ACETIC ACID synthesis
- Product Name:(3,4,5-TRIMETHOXYBENZOYL)AMINO]ACETIC ACID
- CAS Number:40915-27-3
- Molecular formula:C12H15NO6
- Molecular Weight:269.25
Yield:40915-27-3 91%
Reaction Conditions:
with sodium chloride;sodium sulfite at 9; for 5 h;Concentration;Temperature;
Steps:
3 Example 3
In a reaction vesselAmino-acetic acid (3)0.24 mol, sodium chloride solution50ml, control the stirring speed160rpm, adding the mass fraction of 60%Sodium sulfite solution 130ml, reduce the solution temperature to 9 ° C, dropping3,4,5-trimethoxybenzamide(2) 0.16mol, plus the reaction after 5h,The molecular sieve was decolorized and addedThe mass fraction is30% oxalic acid solution to adjust the solution pH to 5,Precipitation of solid,Filtration, sodium nitrate solution washing, activated alumina dehydration, And recrystallized in a 90% nitromethane solution to obtain a white powdery solidΕ- (3,4,5-trimethoxybenzoylamino) -acetic acid(1) 47.32 g,Yield 91%.
References:
CN105601530,2016,A Location in patent:Paragraph 0005; 0013; 0014
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