N-Methylformamide synthesis
- Product Name:N-Methylformamide
- CAS Number:123-39-7
- Molecular formula:C2H5NO
- Molecular Weight:59.07
820-57-5
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123-39-7
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513-42-8
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Yield:513-42-8 1400 g ，123-39-7 1080 g
Reaction Conditions:
with aluminum oxide at 3 - 10;Large scale;
Steps:
3 Preparation of Methylallyl alcohol and N-methylformamide
into a 5L reaction flask, stirring, add 2000 g of methallyl formate, add 90 g of basic aluminiumoxide, cooled at 5° C. Slowly pass through methylamine gas, the reaction temperature is controlled at about 3-10 ° C. pass through about 350g methylamine , gas phase detection of methallyl basic consumption. Stop the reaction. Atmospheric distillation to collect 114 ° C fraction, that is Methylallyl alcohol 1400g. Decompression distillation and then collected 1080g of N-methyl formamide fraction.
References:
CN107324974,2017,A Location in patent:Paragraph 0026-0027
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123-39-7
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