4'-METHOXY-BIPHENYL-2-CARBOXYLIC ACID synthesis
- Product Name:4'-METHOXY-BIPHENYL-2-CARBOXYLIC ACID
- CAS Number:18110-71-9
- Molecular formula:C14H12O3
- Molecular Weight:228.24
85-44-9
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13139-86-1
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18110-71-9
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Yield:18110-71-9 100%
Reaction Conditions:
Stage #1: phthalic anhydride;4-methoxyphenyl magnesium bromide in tetrahydrofuran;diethyl ether at -78 - 20;
Stage #2: with hydrogenchloride in tetrahydrofuran;diethyl ether;water;
Steps:
25 production of 2-(4-methoxyphenyl)-benzoic acid
100 ml (0.11 mol) of a diethyl ether solution of 1 M 4-methoxyphenylmagnesium bromide was dropwise added to a tetrahydrofuran solution (200 ml) of 14.81 g (0.10 mol) of phthalic anhydride at-78°C, and stirred overnight at room temperature. Aqueous 1 N hydrochloric acid solution was added to the reaction liquid, extracted with chloroform, and the organic layer was washed with saturated saline water. This was dried with anhydrous sodium sulfate, then the reaction liquid was concentrated under reduced pressure, and the resulting residue was purified through silica gel column chromatography (hexane/ethyl acetate = 1/2) to obtain 25.63 g (yield: 100 %) of 2-(4-methoxyphenyl)-benzoic acid as a yellow oily substance.
References:
EP1719756,2006,A1 Location in patent:Page/Page column 49
17103-25-2
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18110-71-9
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18110-71-9
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![[1,1'-Biphenyl]-2-carboxylic acid, 4'-methoxy-, ethyl ester](/CAS/20210305/GIF/858035-49-1.gif)
858035-49-1
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18110-71-9
46 suppliers
$40.00/100mg