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CAS No. : | 1655-07-8 | MDL No. : | MFCD00001631 |
Formula : | C9H14O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FGSGHBPKHFDJOP-UHFFFAOYSA-N |
M.W : | 170.21 | Pubchem ID : | 95543 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 trifluoromethylsulfonic anhydride; N-ethyl-N,N-diisopropylamine; In 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran; | Step 1: ethyl 2-[(trifluoromethyl)sulfonyl]oxy}cyclohex-1-ene-1-carboxylate To a solution of ethyl cyclohexanone-2-carboxylate (5.02 g, 29.5 mmol) in DCM (100 mL) cooled to -78 C. was added DIPEA (25.4 mL, 146 mmol) and then triflic anhydride (5.98 mL, 35.4 mmol) dropwise. The mixture was then warmed to r.t. and stirred overnight. The reaction was then quenched with aqueous citric acid and extracted with additional water. The organic layer was dried over Na2SO4 and the solvent was removed in vacuo. The crude product was purified on silica (100% DCM) to give the title product as an oil. |
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