5-1-hydroxy-2-(2,4,5-trifluorophenyl)ethylidene-2,2-dimethyl-1,3-dioxane-4,6-dione

CAS NO.：764667-64-3
Empirical Formula: C14H11F3O5
Molecular Weight: 316.23
MDL number: MFCD12407134
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 00:56:11

What is 5-1-hydroxy-2-(2,4,5-trifluorophenyl)ethylidene-2,2-dimethyl-1,3-dioxane-4,6-dione?

Chemical properties

White to Off-white Solid.

The Uses of 5-1-hydroxy-2-(2,4,5-trifluorophenyl)ethylidene-2,2-dimethyl-1,3-dioxane-4,6-dione

5-[1-Hydroxy-2-(2,4,5-trifluorophenyl)ethylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione is an impurity of the DPP-IV inhibitor Sitagliptin (S491000).

What are the applications of Application

5-[1-Hydroxy-2-(2,4,5-trifluorophenyl)ethylidene] is an intermediate for the synthesis of sitagliptin. Sitagliptin is a new type of anti-type II diabetes drug approved by the FDA and the first dipeptidyl peptidase-IV inhibitor drug for the treatment of type II diabetes.

Properties of 5-1-hydroxy-2-(2,4,5-trifluorophenyl)ethylidene-2,2-dimethyl-1,3-dioxane-4,6-dione

Melting point:	117 °C (decomp)
Boiling point:	489.0±45.0 °C(Predicted)
Density	1.462±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
solubility	Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form	Solid
pka	4.50±1.00(Predicted)
color	White to Off-White

Safety information for 5-1-hydroxy-2-(2,4,5-trifluorophenyl)ethylidene-2,2-dimethyl-1,3-dioxane-4,6-dione

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 5-1-hydroxy-2-(2,4,5-trifluorophenyl)ethylidene-2,2-dimethyl-1,3-dioxane-4,6-dione

New Products

2-Bromo-4-hydroxypyridine Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) Dibenzo[b,f][1,4]thiazepin-11(10H)-one 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One Cis-Tosylate 1-(4-methoxyphenyl)-4-(4-Nitrophenyl)Piperazine (IT-1) 1-aminocyclobutanecarbonitrile hydrochloride AMINO-O-TOLYL-ACETIC ACID 1-Aminocyclobutanecarboxylic Acid Hydrochloride AMINO(2-BROMOPHENYL)ACETIC ACID 6-BROMOTETRAZOLO[1,5-A]PYRIDINE 3-Oxocyclobutanecarboxylic acid METHANOL-D1(OD) TERTIARY BUTANOL-D9 N-ETHYL-D5-AMINE HYDROCHLORIDE BENZOIC ACID-D CHLOROFORM-D TOLUENE-D3 2-(2-Bromophenyl)ethanol Boc-D-Glu(OMe)-OMe 2,5 Dibromopyridine Ethyl 4-hydroxy-3-oxobutanoate Dimethyl (2S)-2-((tert-butoxycarbonyl)amino)-4-(cyanomethyl)pentanedioate 1-(3-Chlorophenyl)piperazine hydrochloride

Related products of tetrahydrofuran

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

Sitagliptin

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

Sitagliptin Impurity 34

2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE

ethyl 3-oxo-4-(2,4,5-trifluorophenyl)butanoate