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CAS No. : | 399-31-5 | MDL No. : | MFCD00000315 |
Formula : | C8H8FNO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | AUZPZBPZWHEIDY-UHFFFAOYSA-N |
M.W : | 153.15 | Pubchem ID : | 67860 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | UN#: | |
Hazard Statements: | H315-H319 | Packing Group: | |
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 |
---|---|---|
With chlorosulfonic acid; at 70℃; for 4h; | General procedure: In a round bottom flask equipped with a stir-bar was addedchlorosulfonic acid (0.13 mol) in a drop wise fashion in respective N-phenylacetamide 9(a-d) (0.025 mol) at 0C. The resulted reactionmixturewas heated to the appropriate temperature and the stirringwas continued until the gas evolution ceased almost completely (25C/2 h for 9a; 70C/3.5 h for 9b; 70C/4 h for 9c; 25C/2 h for 9d). Then the reaction mixture was cooled and poured on crushedice in a beaker with vigorous shaking in order to make free the adhered sulfonyl chlorides on the walls of the beaker and then aqueous phase was discarded. After washing the solid with ice-cold water several times, the respective crude 4-acetylamino benzenesulfonylchloride derivatives 10(a-d) (75-85% yield) was separated, dried and used directly in the next steps. |