3-Methylphosphinicopropionic Acid synthesis
- Product Name:3-Methylphosphinicopropionic Acid
- CAS Number:15090-27-4
- Molecular formula:C8H17O4P
- Molecular Weight:208.19
683-08-9
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Yield:15090-27-4 98%
Reaction Conditions:
in ethyl acetate at 0 - 10; for 5 h;Inert atmosphere;Temperature;Solvent;
Steps:
1.1-1.2; 3.1-3.2; 6-9; 1
(1) Under nitrogen, add ethyl acetate and diethyl methyl phosphinate (weight as shown in Table 1) in the reaction flask, control the temperature to 010 , dropwise add the mixture of acrylic acid and methyl acrylate ( The weight is shown in Table 1), and the reaction was incubated for 5 h to obtain a feed liquid containing ethyl 3-(ethoxymethylphosphono)propionate.(2) After distilling off the solvent ethyl acetate and a small amount of low-boiling impurities at 50-60° C. and 1-5 kPa, the colorless viscous liquid ethyl 3-(ethoxymethylphosphono)propionate was obtained by separation.The standard product spectrum of ethyl 3-(ethoxymethylphosphono)propionate is shown in Figure 1, and the product spectrum of sample No. 2 is shown in Figure 2.
References:
CN115141226,2022,A Location in patent:Paragraph 0035-0043; 0047-0049; 0056-0065
15715-41-0
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15715-41-0
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phosphine oxide](/CAS/GIF/15090-24-1.gif)