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CAS No. : | 593-71-5 | MDL No. : | MFCD00001078 |
Formula : | CH2ClI | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | PJGJQVRXEUVAFT-UHFFFAOYSA-N |
M.W : | 176.38 | Pubchem ID : | 11644 |
Synonyms : |
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Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P261-P264-P270-P271-P280-P301+P310+P330-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P403+P233-P405-P501 | UN#: | 2810 |
Hazard Statements: | H301-H315-H319-H335 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | Stage #1: With sodium ethanolate In N,N,N,N,N,N-hexamethylphosphoric triamide at 20℃; for 24 h; Large scale Stage #2: at 20℃; for 2 h; Large scale |
To 50L reactor, add 1.9 kg intermediate 4, hexamethylphosphoric acid triamide 19L, sodium ethoxide 0.26 kg. React under the condition of room temperature for 24 hours. Add chloroiodomethane 1.4 kg. Stir for 2 hours. The reaction liquid quickly add 570L in water, separate out a large amount of yellow solid, filtering. The filter cake is added to the chloroform 5.7L dissolved, for sequentially 0.3M sodium thiosulfate solution 1.9L, 0 . 4M sodium bicarbonate solution, 1.9L saturated salt water 1.9L washing liquid, anhydrous sodium sulfate drying, decolorized with active carbon. Filtered, concentrated under reduced pressure to dryness; anhydrous ethanol is added 13.3L, heating to reflux, the solid is completely dissolved, gradually cooling crystallization, filtration. 40 °C blast drying, to obtain white solid 1.6 kg, yield 89percent. |