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CAS No. : | 5535-48-8 | MDL No. : | MFCD00007554 |
Formula : | C8H8O2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | UJTPZISIAWDGFF-UHFFFAOYSA-N |
M.W : | 168.21 | Pubchem ID : | 79664 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | 1759 |
Hazard Statements: | H302-H315-H317-H318-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 |
---|---|---|
With potassium tert-butylate; bis[2-(diphenylphosphino)phenyl] ether; copper(l) chloride; In toluene; at 22℃; for 20h;Inert atmosphere; Sealed tube; | General procedure: CuCl (1.50 mg, 0.0150 mmol), DPEPhos (8.10 mg, 0.0150 mmol) and KOt-Bu (1.70 mg,0.0150 mmol) were added to a 8 mL vial charged with a magnetic bar. The vial was sealedwith a cap (phenolic open top cap with gray PTFE/silicone) and purged by N2 gas for 5 min.Toluene (0.8 mL) and methyl 2-aminobenzoate (1a) (46.6 L, 0.360 mmol) were added to themixture, which was allowed for 10 min. And then a solution of phenyl vinyl sulfone (2) (50.5mg, 0.300 mmol) in toluene (0.7 mL) was added to the reaction solution. After stirring atroom temperature for 5 h, THF (5 mL) was added and the reaction was allowed to cool to 0C (ice bath). After addition of KOt-Bu (101 mg, 0.900 mmol), the resulting solution wasallowed to stir for further 1 h at 0 C. After that time, the reaction was quenched with asaturated aqueous solution of NH4Cl (1 mL) and NaHCO3 (2 mL) and washed with EtOAc (7x 3 mL). The organic layers were combined, dried over MgSO4, filtered, and concentrated invacuo. The crude product was purified by silica gel column chromatography (CH2Cl2/EtOAc,8:1) to afford the desired product 4a (76.8 mg, 0.267 mmol, 89% yield) as a yellow solid. |
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