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CAS No. : | 14446-47-0 | MDL No. : | MFCD20483376 |
Formula : | C3H8ClNS | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | MPGQQQKGAXDBDN-UHFFFAOYSA-N |
M.W : | 125.62 | Pubchem ID : | 12444283 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
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 |
---|---|---|
85.1% | Put 350.0g of intermediate III into the three-necked bottle, add 2800g of dichloromethane, reduce the temperature to -5~0C , add 162.8g of triethylamine A dropwise, stir at 0~5C for 0.5hThen add 204.1g of pivaloyl chloride and keep at 0~5C for 2h.Add 210.0g of thiazolidine hydrochloride at a temperature of -5~5 C, stir for 0.5h, add 234.5g of triethylamine B dropwise, and keep stirring for 1.5h after the completion of the drip. After the stirring is complete, add 1400g of water and stir until dissolved The layers were separated and the organic layer was washed with 1400g 3.75% hydrochloric acid solution, then with 1400g 5.66% sodium bicarbonate solution, and then with 1400g water. After the organic phase was concentrated to dryness,Add 1700g of isopropanol and stir, lower the temperature to 3 5 , stir for 1.5h and then filter with suction.After drying, 390.3g of product was obtained with a yield = 85.1%. |
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