Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate Chemical Properties

Melting point:

40-41 °C

Boiling point:

273.3±35.0 °C(Predicted)

Density 

1.330±0.06 g/cm3(Predicted)

refractive index 

1.469

Flash point:

115.5±20.8 °C

storage temp. 

under inert gas (nitrogen or Argon) at 2-8°C

solubility 

DMSO (Slightly), Methanol (Slightly)

form 

Solid

pka

9.95±0.46(Predicted)

color 

Pale Yellow to Light Yellow

Safety Information

HS Code 

2918300090

Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate Usage And Synthesis

Chemical Properties

Off-white solid

Uses

Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate is a useful synthetic intermediate in the synthesis of Sitagliptin (S491000); a trizolopyrazine dipeptidyl peptidase (DPP) IV inhibitor for the treatment of type II diabetes.

Preparation

The preparation of methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate is as follows:Stage 1: (2,4,5-trifluorophenyl)acetic acid With 1,1'-carbonyldiimidazole In acetonitrile for 3.5h;Stage 2: monomethyl monopotassium malonate With triethylamine; magnesium chloride In acetonitrile at 50℃; for 8h;Stage 3: In acetonitrile at 30℃; for 26h.

Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate(769195-26-8)Related Product Information

• Sitagliptin
• (S)-Sitagliptin Phosphate
• Sitagliptin Impurity 34
• Sitagliptin impurity H HCl
• Sitagliptin Impurity 31
• Sitagliptin phosphate
• (2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one
• Sitagliptin N-Phoshate IMpurity
• Succinylcholine Chloride
• Acarbose
• Ethambutol
• Paroxetine
• Benzenebutanoicacid,b-[[(1,1-diMethylethoxy)carbonyl]aMino]-2,4,5-trifluoro-,Methylester,(bR)-
• (R)-methyl 3-acetamido-4-(2,4,5-trifluorophenyl)butanoate
• 2,4,5-TRIFLUOROBENZYL CHLORIDE
• 2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE
• ethyl 3-oxo-4-(2,4,5-trifluorophenyl)butanoate
• Methyl 3-aMino-4-(2,4,5-trifluorophenyl)butanoate