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(4-Chloro-benzoylamino)-acetic acid

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(4-Chloro-benzoylamino)-acetic acid Basic information
Product Name:(4-Chloro-benzoylamino)-acetic acid
Synonyms:OTAVA-BB BB7210742318;4-chlorobenzoylglycine;4-chlorohippuricacid;n-(4-chlorobenzoyl)-glycin;n-(4-chlorobenzoyl)glycine;n-(p-chlorobenzoyl)glycine;p-chlorobenzoylglycine;p-chloro-hippuricaci
CAS:13450-77-6
MF:C9H8ClNO3
MW:213.62
EINECS:
Product Categories:
Mol File:13450-77-6.mol
(4-Chloro-benzoylamino)-acetic acid Structure
(4-Chloro-benzoylamino)-acetic acid Chemical Properties
Melting point 144-146°
Boiling point 457.2±30.0 °C(Predicted)
density 1.397±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
solubility Dichloromethane (Slightly, Heated), Methanol (Slightly)
form Solid
pka3.43±0.10(Predicted)
color White to Off-White
Safety Information
HazardClass IRRITANT
MSDS Information
(4-Chloro-benzoylamino)-acetic acid Usage And Synthesis
Uses4-Chlorohippuric Acid is a derivative of Hippuric Acid (H356700) and is the major metabolite in human urine.
Synthesis
methyl 2-[(4-chlorobenzoyl)amino]acetate

59893-99-1

(4-CHLORO-BENZOYLAMINO)-ACETIC ACID

13450-77-6

In a 500 mL round bottom flask, methyl 2-(4-chlorobenzoylamino)acetate (20 g, 88.1 mmol) was dissolved in a solvent mixture of THF (100 mL), methanol (100 mL) and water (100 mL) and lithium hydroxide monohydrate (18.5 g, 441 mmol) was added with stirring. The reaction mixture was stirred continuously for 12 hours at room temperature. After the completion of the reaction was monitored by TLC, the reaction mixture was concentrated under reduced pressure. The resulting residue was washed with EtOAc, subsequently diluted with cold water and acidified with 1N HCl solution to pH about 5. The solid product was collected by filtration and dried under reduced pressure to afford the target compound 2-(4-chlorobenzoylamino)acetic acid (14.21 g, 75.6% yield). The product was characterized by the following data: 1H NMR (300 MHz, DMSO-d6): δ 12.7 (brs, 1H), 8.93 (t, J = 5.7 Hz, 1H), 7.88-7.84 (m, 2H), 7.54 (d, J = 8.7 Hz, 2H), 3.90 (d, J = 6.3 Hz, 2H). lCMS (ESI+, m/ z): 214.0, 216.0 (M + H)+.

References[1] Patent: WO2017/180818, 2017, A1. Location in patent: Page/Page column 45
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