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CAS No. : | 2579-22-8 | MDL No. : | MFCD00006995 |
Formula : | C9H6O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IDASOVSVRKONFS-UHFFFAOYSA-N |
M.W : | 130.14 | Pubchem ID : | 75740 |
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: |
* 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% | With potassium carbonate; In dichloromethane; at 20℃; for 3h;Mechanism; | General procedure: A mixture of ynal 1 (0.5 mmol), amidine hydrochloride 2 (0.6 mmol), K2CO3(1.0 mmol), and MCM-41-PPh3-AuCl (41 mg, 0.015 mmol) in DCM (3mL) was stirred at room temperature for 3 h (TLC monitored). The resulting mixture was then diluted with ethyl acetate (15 mL) and filtered. The gold catalyst was washed with distilled water(5 mL), and dry ethanol (25mL) and reused in the next run. The filtrate was concentrated under reduced pressure and the residue was purified by chromatography on silicagel (eluent: petroleum ether/ethyl acetate) to afford the desired product 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With potassium carbonate; In dichloromethane; at 20℃; for 3h; | General procedure: A mixture of ynal 1 (0.5 mmol), amidine hydrochloride 2 (0.6 mmol), K2CO3(1.0 mmol), and MCM-41-PPh3-AuCl (41 mg, 0.015 mmol) in DCM (3mL) was stirred at room temperature for 3 h (TLC monitored). The resulting mixture was then diluted with ethyl acetate (15 mL) and filtered. The gold catalyst was washed with distilled water(5 mL), and dry ethanol (25mL) and reused in the next run. The filtrate was concentrated under reduced pressure and the residue was purified by chromatography on silicagel (eluent: petroleum ether/ethyl acetate) to afford the desired product 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
78% | General procedure: To the ice-cold solution of aldehyde in THF was added, the solution of alkylmagnesium halide or alkyllithium in THF (1.3 eq., at 0 C). The reaction was stirred at 0 C for 1 h, diluted with saturated aq. NH4Cl (10 mL) and ethyl acetate (10 mL). Aqueous layer was extracted with ethyl acetate (2×10 mL). The combined organic layers were washed with brine (10 mL), and dried over Na2SO4. Evaporation of the solvent and purification of the crude mixture by column chromatography (9:1, hexane: EtOAc) gave the corresponding bisindolylmethane derivatives (BIM) up to 92% yields along with the by-product aldehyde. |
[ 189008-33-1 ]
2-(p-Tolylethynyl)benzaldehyde
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