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ChemicalBook CAS DataBase List 3-ANILINO-3-OXOPROPANOIC ACID
15580-32-2

3-ANILINO-3-OXOPROPANOIC ACID synthesis

10synthesis methods
-

Yield:15580-32-2 91.3%

Reaction Conditions:

with lithium hydroxide;water in tetrahydrofuran;methanol at 20; for 3 h;

Steps:

20.b

b) N-Phenyl-malonamic acid Hydrolysis of the N-Phenyl-malonamic acid methyl ester from step a (6.8 g, 35.2 mmol) with lithium hydroxide (8.9 g, 212 mmol) in a mixture of methanol (160 mL), tetrahydrofuran (160 mL) and water (160 mL) at room temperature for 3 h, afforded the title acid (5.76 g, 91.3%). 1H NMR (400 MHz, DMSO-d6) δ: 12.64 (s, 1H), 10.11 (s, 1H), 7.58 (d, 2H), 7.31 (t, 2H), 7.06 (t, 1H), 3.36 (s, 2H).

References:

US2005/107355,2005,A1 Location in patent:Page/Page column 34

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