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ChemicalBook CAS DataBase List 4-METHOXY-3-PROPOXYBENZALDEHYDE
5922-56-5

4-METHOXY-3-PROPOXYBENZALDEHYDE synthesis

7synthesis methods
-

Yield:5922-56-5 99%

Reaction Conditions:

with potassium carbonate;potassium iodide in butanone;Reflux;

Steps:

Synthesis of Table 1 Molecule Number 29, 30 & 39

Synthesis of Table 1 Molecule Number 29, 30 & 39 _:To a solution of iso- vanillin (1 eq.) in MEK (0.5 M) was added n-Prl (1.1 eq.), potassium carbonate (3 eq.) and potassium iodide (1 %). The resulting mixture was heated to reflux temperature and stirred overnight. The reaction was concentrated under reduced pressure, quenched by addition of a saturated NH4C1 aqueous solution and extracted with Et20. The combined organic layers were dried over MgS04and concentrated under reduced pressure. The resulting oil was purified using a quick filtration over silica by elution with a petroleum ether- Et20 mixture (9-1). Concentration of the eluent under reduced pressure resulted in the compound as a colorless oil (99% yield).

References:

WO2015/148743,2015,A1 Location in patent:Page/Page column 67

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