| | Identification | More |  | [Name] 
 3,5-DIMETHOXYPHENYLPROPIONIC ACID
 |  | [CAS] 
 717-94-2
 |  | [Synonyms] 
 3-(3,5-DIMETHOXYPHENYL)PROPIONIC ACID
 3,5-DIMETHOXYPHENYLPROPIONIC ACID
 3-(3,5-DIMETHOXYPHENYL)PROPANOIC ACID
 |  | [Molecular Formula] 
 C11H14O4
 |  | [MDL Number] 
 MFCD03425685
 |  | [Molecular Weight] 
 210.23
 |  | [MOL File] 
 717-94-2.mol
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [Safety Statements ] 
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
 |  | [HazardClass ] 
 IRRITANT
 |  | [HS Code ] 
 29189900
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 White solid
 |  | [Uses] 
 3-(3,5-Dimethoxyphenyl)propanoic acid is a derivative of 3-(3,4-Dimethoxyphenyl)propanoic Acid (D460730), which is one of the novel circulating coffee metabolites in human plasma.
 |  | [Synthesis] 
 
 General procedure for the synthesis of 3,5-dimethoxyphenylpropionic acid from (E)-3-(3,5-dimethoxyphenyl)propenoic acid: to a mixed solution of (E)-3-(3,5-dimethoxyphenyl)propenoic acid (12 g, 57.7 mmol) in ethyl acetate (EtOAc, 100 ml) and methanol (MeOH, 100 ml), 10% palladium/carbon ( Pd/C, 1.3 g). The reaction mixture was placed in a Parr apparatus and the reaction was shaken under 30-40 psi hydrogen pressure for 5 hours. Upon completion of the reaction, the reaction solution was filtered through a diatomaceous earth pad and the filtrate was collected. The filtrate was concentrated and dried under reduced pressure at 50 °C to afford the target product 3,5-dimethoxyphenylpropionic acid (11.7 g, 96.55% yield). m/e 209 (M-1) by LC-MS. |  | [References] 
 [1] Patent: WO2007/71348,  2007,  A1. Location in patent: Page/Page column 87
 [2] Journal of Organic Chemistry,  2003,  vol. 68,  # 15,  p. 5967 - 5973
 [3] Chemistry - An Asian Journal,  2015,  vol. 10,  # 4,  p. 1050 - 1064
 [4] Bioorganic and Medicinal Chemistry,  2013,  vol. 21,  # 22,  p. 6956 - 6964
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