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Merck
CN

M2876

(±)-α-Methoxyphenylacetic acid

crystalline

Synonym(s):

O-Methyl-DL-mandelic acid, MOPA

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About This Item

Linear Formula:
C6H5CH(OCH3)COOH
CAS Number:
Molecular Weight:
166.17
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
230-300-9
MDL number:
Beilstein/REAXYS Number:
2209197
Assay:
≥99.0%
Form:
crystalline
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assay

≥99.0%

Quality Segment

form

crystalline

bp

165 °C ((lit.)), 165 °C/18 mmHg (lit.)

mp

69-71 °C (lit.), 69-71 °C

SMILES string

COC(C(O)=O)c1ccccc1

InChI

[1S/C9H10O3/c1-12-8(9(10)11)7-5-3-2-4-6-7/h2-6,8H,1H3,(H,10,11)], 1S/C9H10O3/c1-12-8(9(10)11)7-5-3-2-4-6-7/h2-6,8H,1H3,(H,10,11)

InChI key

[DIWVBIXQCNRCFE-UHFFFAOYSA-N], DIWVBIXQCNRCFE-UHFFFAOYSA-N

General description

(±)-α-Methoxyphenylacetic acid, also known as MOPA is commonly used as a resolving agent and building block in various organic synthesis.

Application

(±)-α-Methoxyphenylacetic acid can be used as a reactant to synthesize:      
  • N






  • -(Cyclohexylmethyl)-2-methoxy-2-phenylethylamine by reacting with cyclohexylmethylamine in the presence of EDCI/HOBt/Et3N.      
  • 4-(methoxyphenylmethyl)-2-methylpyridine by reacting with 2-methyl-4-pyridinecarbonitrile via decarboxylative arylation reaction in the presence of a photocatalyst.



pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves



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