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ChemicalBook CAS DataBase List 2-AMINOPHENYLACETIC ACID

2-AMINOPHENYLACETIC ACID synthesis

6synthesis methods
-

Yield:-

Reaction Conditions:

Stage #1:2-oxoindole with water;sodium hydroxide at 100;
Stage #2: with hydrogenchloride in water; pH=1

Steps:

11.1
Step 1: To a suspension of indolin-2-one (5 g) in water (50 mL) was added NaOH (6.01 g). The mixture was stirred overnight at 100 °C. The pH was adjusted to 1 with concentrated hydrochloric acid to give the solution of 2-(2-aminophenyl)acetic acid in water. S(ES+) m/z 152 (ΜΙ-Γ).

References:

GLAXO GROUP LIMITED;WANG, Yonghui;YANG, Ting;LIU, Qian;XIANG, Jia-Ning WO2012/28100, 2012, A1 Location in patent:Page/Page column 27

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