Synthesis method of 3-chloropropionyl chloride
A synthetic method, the technology of chloropropionyl chloride, applied in the direction of chemical instruments and methods, preparation of organic compounds, carboxylate preparation, etc., can solve problems such as difficult handling, harsh conditions, increased cost, etc., and achieve high product content and equipment efficiency High effect with less input equipment
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[0045] The operation steps of this example are as follows: Add 600 grams (8.33 mol) of acrylic acid, 12 grams of N,N-dimethylacetamide, water 20 grams (1.11mol), stirring, water bath control dropwise temperature 60-70°C, dropwise add 1200g thionyl chloride (10.0mol); after dropwise addition, stir at 60-70°C for 1 hour, sample gas chromatography ; Under a vacuum of 0.09MPa, the distillate at 58-62°C was collected to obtain 962.9 grams of 3-chloropropionyl chloride, with a content of 99.1% and a yield of 90.1%.
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