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CAS No. : | 28785-06-0 | MDL No. : | MFCD00041870 |
Formula : | C10H12O | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | MAUCRURSQMOFGV-UHFFFAOYSA-N |
M.W : | 148.20 | Pubchem ID : | 120047 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302+H312+H332-H315-H319-H335 | 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 |
---|---|---|
In pyridine; at 80℃; for 2h; | A 125 mL Ehrlenmayer flask equipped with a magnetic stirrer bar was charged with 7.76 g (47.8 mmol) of <strong>[28785-06-0]4-n-propylbenzaldehyde</strong>, 5.28 g (50.7 mmol) of malonic acid and 2.2 mL (2.2g, 27.2 mmol) of pyridine. The slurry was heated to 800C, at which temperature a clear yellow solution formed. After stirring for 2 hr, the reaction mixture was cooled to 25°C. The resulting solid was isolated by filtration, rinsing with water (2 X 30 mL) and 2: 1 methyl t-butyl ether (MTBE)/hexanes (2 X 30 mL). A total of 3.1 g of 4-n-Propylcinnamic acid was isolated.A 500 mL Parr shaker reaction vessel was charged with 3.10 g (15.2 mmol) of 4- n-Propylcinnamic acid, 20 mL of ethyl acetate and 10 mL of ethanol. This mixture was treated with 0.15 g of 10percent palladium on charcoal and placed under an atmosphere of 51 psig of hydrogen gas in a Parr shaker apparatus. A total of 14 psig of hydrogen was taken up in 16 hours. The reaction mixture was removed from the Parr shaker apparatus after dissipating the hydrogen gas, filtered through a Celite pad to remove the catalyst and concentrated to a white solid, 3-(4-n-Propylphenyl)propanoic acid (3.07 g). IH NMR <n="33"/>(d6-DMSO): delta 12.1, bs, IH (COOH); delta 7.09, d, 2H, (arylH's); delta 7.05, d, 2H (arylH's); delta 2.75, t, 2H, (CH2 beta to COOH); delta 2.47, m, 4H (CH2 alpha to COOH and CH2 alpha to aryl); delta 1.52, hex, 2H (CH2 beta to aryl); delta 0.85, t, 3H (CH3). 13C NMR (d6-DMS0): 173.76, 139.64, 138.01, 128.20, 128.02, 36.86, 35.28, 29.93, 24.11, 13.63. |
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