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3-[4-(Methoxycarbonyl)phenyl]propanoic acid synthesis

4synthesis methods
-

Yield:151937-09-6 90%

Reaction Conditions:

with hydrogen in methanol at 40; for 5 h;

Steps:

2 Example 2: A method for preparing Compound 2, the process is as follows:
20 g of the compound obtained by the preparation of Example 1, 6.0 g of Raney catalyst, and 500 mL of methanol were added to the reaction flask, and a 1000 mL three-necked flask was used, and hydrogen gas was passed through at 40° (1; heating reaction for 5 hours, and Raney catalyst was removed by filtration. Evaporation of the solvent gave 218.0 g of a white solid compound (yield: 90%).Ethyl acetate = 2:1, Rf = 0.7), GF254 showed only one spot under fluorescence, and Compound 2 was obtained;

References:

Nanjing Yadong Qitian Pharmaceutical Co., Ltd.;Cai Huiming;Lu Jinrong;Zhou Qingfa;Wang Jiahua CN109721604, 2019, A Location in patent:Paragraph 0045; 0046

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